1 Flashcards
1
Q
If she ______ just listen for a moment, she ______ understand what I’m trying to say.
A
If she would just listen for a moment, she might understand what I’m trying to say.
2
Q
They ______ have been smarter about planning the event, but who ______ have predicted the storm?
A
They should have been smarter about planning the event, but who could have predicted the storm?
3
Q
The company ______ invest in renewable energy if they want to remain competitive.
A
The company should invest in renewable energy if they want to remain competitive.
4
Q
If you had told me earlier, I ______ have helped you
A
If you had told me earlier, I could have helped you
5
Q
You ______ not have said that; it was quite rude and you ______ have known better.
A
You should not have said that; it was quite rude and you should have known better.
6
Q
She ______ have been a doctor, but she decided to become an engineer instead.
A
She could have been a doctor, but she decided to become an engineer instead.
7
Q
If you ______swim, then you ______ not go near the deep end of the pool.
A
If you can’t swim, then you should not go near the deep end of the pool.
8
Q
I ______ have liked to go to that concert, but unfortunately, tickets were sold out.
A
I would have liked to go to that concert, but unfortunately, tickets were sold out.
9
Q
She ______ not have won, but at least she tried, and that’s what matters.
A
She might not have won, but at least she tried, and that’s what matters.
10
Q
They ______ study harder if they want to pass the exam.
A
They must study harder if they want to pass the exam.
11
Q
We ______ wait for her; she ______ be here any minute now.
A
We should wait for her; she might be here any minute now.
12
Q
I ______ have been an artist, but I chose a different path.
A
I could have been an artist, but I chose a different path.
13
Q
You ______ try the chocolate cake; it’s absolutely delicious.
A
You should try the chocolate cake; it’s absolutely delicious.
14
Q
He ______ take the medicine daily, or else his symptoms _______ worsen.
A
He must take the medicine daily, or else his symptoms will worsen.
15
Q
She ______ have told him the truth; now he _______ never trust her again.
A
She should have told him the truth; now he might never trust her again.
16
Q
I ______ fly to London next week for the conference if everything goes as planned.
A
I will fly to London next week for the conference if everything goes as planned.
17
Q
The results ______ not be accurate, so we ______ do another test.
A
The results might not be accurate, so we should do another test.
18
Q
If you ______ solve this problem, you _______ try a different approach.
A
If you can’t solve this problem, you might try a different approach.
19
Q
We ______ have gone with them, but nobody informed us about the plan
A
We could have gone with them, but nobody informed us about the plan
20
Q
The teacher ______ have been more patient with the students; it might have made a difference.
A
The teacher could have been more patient with the students; it might have made a difference.
21
Q
You ______ always remember to call your parents; they worry about you.
A
You should always remember to call your parents; they worry about you.
22
Q
He ______ not speak unless spoken to; that’s how shy he is
A
He will not speak unless spoken to; that’s how shy he is
23
Q
They ______ be interested in our proposal; we should not miss this opportunity.
A
They might be interested in our proposal; we should not miss this opportunity.
24
Q
She ______ call for a taxi if she doesn’t want to walk home alone.
A
She should call for a taxi if she doesn’t want to walk home alone.
25
They ______ have warned us about the roadblock, but they forgot.
They should have warned us about the roadblock, but they forgot.
26
I ______ care less about what they think; I will do what I believe is right.
I couldn't care less about what they think; I will do what I believe is right.
27
She ______ practice more if she wants to make the team.
She must practice more if she wants to make the team.
28
It ______ rain tomorrow, so you ______ want to bring an umbrella.
It might rain tomorrow, so you should want to bring an umbrella.
29
You ______ not go into the lab without protective gear; it's dangerous.
You must not go into the lab without protective gear; it's dangerous.
30
If I ______ turn back time, I ______ make the same mistakes.
If I could turn back time, I wouldn't make the same mistakes.
31
They ______ have included her in the discussion; she ______ have useful insights.
They should have included her in the discussion; she might have useful insights.
32
You ______ worry so much; it ______ be good for your health.
You shouldn't worry so much; it can't be good for your health.
33
______ you please pass the salt?
Could you please pass the salt?
34
We ______ consider the consequences before making such a big decision.
We must consider the consequences before making such a big decision.
35
She ______ have made it to the top, but she never gave up.
She could have made it to the top, but she never gave up.
36
If we ______ hurry, we ______ catch the last train.
If we don't hurry, we won't catch the last train.
37
I ______ have thought you were joking if you hadn't looked so serious.
I would have thought you were joking if you hadn't looked so serious.
38
He ______ apologize if he knows what's good for him.
He should apologize if he knows what's good for him.
39
If you ______ keep your promise, then we ______ trust you anymore.
If you don't keep your promise, then we won't trust you anymore.
40
She ______ wait for a more opportune time to discuss the matter.
She should wait for a more opportune time to discuss the matter.
41
If they ______ understand the material, they ______ pass the test.
If they don't understand the material, they won't pass the test.
42
_______ you like to come to dinner next Friday?
Would you like to come to dinner next Friday?
43
We ______ forget to thank them; their help was invaluable.
We must forget to thank them; their help was invaluable.
44
If it ______ be done, then someone _______ do it.
If it can be done, then someone will do it.
45
You ______ come with us if you want to.
You can come with us if you want to.
46
They ______ not argue in front of the children; it ______ set a bad example.
They should not argue in front of the children; it might set a bad example.
47
He ______ have lost his keys; we ______ look for them.
He might have lost his keys; we should look for them.
48
She ______ have her cake and eat it too; life doesn't work that way.
She can't have her cake and eat it too; life doesn't work that way.
49
I ______ like to brag, but I ______ be the best player on the team.
I don't like to brag, but I might be the best player on the team.
50
If you ______ repeat that, I ______ appreciate it.
If you could repeat that, I would appreciate it.
51
He _______ finish his work on time if he wants to keep his job.
He must finish his work on time if he wants to keep his job.
52
They ______ be arriving soon, but I can't be sure.
They should be arriving soon, but I can't be sure.
53
______ we expect your decision by next week?
Can we expect your decision by next week?
54
She ______ have taken the offer; it was a once-in-a-lifetime opportunity.
She should have taken the offer; it was a once-in-a-lifetime opportunity.
55
The project ______ be completed within the deadline, or we ______ face penalties.
The project must be completed within the deadline, or we will face penalties.
56
I ______ eat another bite; I'm so full.
I can't eat another bite; I'm so full.
57
If you ______ behave, you ______leave the room.
If you don't behave, you must leave the room.
58
You ______never be too careful when it comes to safety.
You can never be too careful when it comes to safety.
59
They ______ travel abroad this year if they ______ save enough money.
They might travel abroad this year if they can save enough money.
60
If you ______ come, we _____be disappointed.
If you don't come, we will be disappointed
61
You _______ always count on me; I ______ let you down.
You can always count on me; I won't let you down.
62
He _______ think twice before making such a huge investment.
He should think twice before making such a huge investment.
63
She ______ be lying; we _______ consider all possibilities.
She might be lying; we must consider all possibilities.
64
______ you be willing to help me move next weekend?
Would you be willing to help me move next weekend?
65
They _______ have done it without your guidance; you _______ be proud.
They couldn't have done it without your guidance; you should be proud.
66
We ______ expect heavy traffic today, so we ______leave early.
We should expect heavy traffic today, so we must leave early.
67
He ______ regret it if he doesn't take this chance.
He will regret it if he doesn't take this chance.
68
You ______ work hard if you want to succeed in this field.
You must work hard if you want to succeed in this field.
69
_______ you be joining us for the charity event?
Will you be joining us for the charity event?
70
If you _______ hear me, please raise your hand.
If you can hear me, please raise your hand.
71
She ______ have texted you by now; maybe her phone is off.
She should have texted you by now; maybe her phone is off.
72
If they ______ ask for your opinion, you ______ give it.
If they do ask for your opinion, you should give it.
73
I ______ wonder what would have happened if I had taken that job.
I can't wonder what would have happened if I had taken that job.
74
We _______ meet at the restaurant, or you ______ pick me up.
We can meet at the restaurant, or you can pick me up.
75
You ______ get your eyes checked; it ______ be serious.
You should get your eyes checked; it might be serious.
76
He ______ say anything, but his expression said it all.
He didn't say anything, but his expression said it all.
77
They ______ celebrate too early; the game isn't over yet.
They shouldn't celebrate too early; the game isn't over yet.
78
If I ______ know better, I _______ say you were avoiding me.
If I didn't know better, I would say you were avoiding me.
79
She _______ take on more responsibilities if she wants to get promoted.
She must take on more responsibilities if she wants to get promoted.
80
You _______ be serious; that sounds absurd.
You can't be serious; that sounds absurd.
81
He________ be left alone for long periods; he gets anxious.
He shouldn't be left alone for long periods; he gets anxious.
82
They ________be trusted; they _______ shown their true colors before.
They can't be trusted; they have shown their true colors before.
83
If I _______ seen it with my own eyes, I ______ believe it.
If I hadn't seen it with my own eyes, I wouldn't believe it.
84
________ you be attending the conference tomorrow?
Will you be attending the conference tomorrow?
85
She _______ be more careful; accidents can happen easily.
She should be more careful; accidents can happen easily.
86
We _______have to reschedule the meeting; there seems to be a conflict.
We might have to reschedule the meeting; there seems to be a conflict.
87
If you _______ finish your work, you ________ get dessert.
If you don't finish your work, you won't get dessert.
88
I ________have been more attentive; I missed the details.
I should have been more attentive; I missed the details.
89
He ______ swim, but he ______ join the competition.
He can swim, but he won't join the competition.
90
You _______ win if you put your heart into it.
You might win if you put your heart into it.
91
_______we postpone our plans for next week?
Can we postpone our plans for next week?
92
She _______ have been here if she ______ missed the train
She would have been here if she hadn't missed the train
93
If they ______ step up, they _______ lose the contract.
If they don't step up, they will lose the contract.
94
I ______ come over later, but I _______ promise anything.
I might come over later, but I can't promise anything.
95
If you ______ told me about the surprise, I _______ have acted like I didn't know.
If you had told me about the surprise, I wouldn't have acted like I didn't know.
96
He ______ stay calm under pressure; it's a skill he needs to master.
He must stay calm under pressure; it's a skill he needs to master.
97
They ______ leave the park before dark; it ______ not be safe.
They should leave the park before dark; it might not be safe.
98
If she ______ come, she _______inform us.
If she can come, she should inform us.
99
You _______ have asked for help; we ______always be here for you.
You should have asked for help; we will always be here for you.
100
If he _______ run faster, he _______ have won the race.
If he could run faster, he might have won the race.
101
You’ve got plenty of time. You ______ hurry.
You’ve got plenty of time. You needn’t hurry.
102
There’s a knock at the door. I’m expecting Paul . It _______ be him.
There’s a knock at the door. I’m expecting Paul . It must be him.
103
I can’t get my phone to work. It _______ be out of order
I can’t get my phone to work. It must be out of order
104
_______ I ask you a question?
Can I ask you a question?
105
That was excellent work. But I _______ do it without you.
That was excellent work. But I couldn’t do it without you.
106
She ______ be 35. She looks older than that.
She can’t be 35. She looks older than that.
107
I ______ go to work on Saturdays. It’s my day off.
I needn’t go to work on Saturdays. It’s my day off.
108
Tom has given me a letter to post. I ______ forget to post it.
Tom has given me a letter to post. I mustn’t forget to post it.
109
Ann stayed in bed this morning because she _______ go to work.
Ann stayed in bed this morning because she couldn’t go to work.
110
He _______ play chess when he was young.
He could play chess when he was young.
111
You ______ drive a car when you’re 18.
You can drive a car when you’re 18.
112
Jack spends the whole day just walking around. He ______have a job.
Jack spends the whole day just walking around. He can’t have a job.
113
When I was in school I could do a handstand, but now I’m too old. I
I ______ do one any more.
When I was in school I could do a handstand, but now I’m too old. I
I can't do one any more.
114
My mother keeps telling me that we _______ wash our hands before we sit
down at the dinner table.
My mother keeps telling me that we must wash our hands before we sit
down at the dinner table.
115
You _______ forget to turn off the lights when you go to bed.
You mustn’t forget to turn off the lights when you go to bed.
116
When I was a child I ______ understand adults, now that I’m an adult I can't understand children.
When I was a child I could understand adults, now that I’m an adult I can't understand children.
117
Sally looks sad and worried . She ______ have a problem with something.
Sally looks sad and worried . She must have a problem with something.
118
_______ I see your passport please.
May I see your passport please.
119
He sees very badly, so he ______ wear glasses all the time.
He sees very badly, so he must wear glasses all the time.
120
I ________ to take a taxi because the bus was on time.
I didn’t need to take a taxi because the bus was on time.
121
I _______ take a taxi because the bus was on time.
I didn’t need to take a taxi because the bus was on time.
122
He owns a very expensive house. He ______be a rich person.
He owns a very expensive house. He must be a rich person.
123
I ______ swim well when I was a child. I even won the school
championships.
I could swim well when I was a child. I even won the school
championships.
124
You _______ go to the grocery store. We have some milk in the fridge.
You needn’t go to the grocery store. We have some milk in the fridge.
125
I _______find my keys. I probably left them at my mother’s place.
I can’t find my keys. I probably left them at my mother’s place.
126
You _________ buy the tickets. I got two for free from dad.
You don’t need to buy the tickets. I got two for free from dad.
127
She _______ speak so rudely to her parents.
She mustn’t speak so rudely to her parents.
128
The teacher always tells us we _______cheat during a test.
The teacher always tells us we mustn’t cheat during a test.
129
I ________ stop laughing. The joke was so funny.
I can’t stop laughing. The joke was so funny.
130
I _______ look at you. You’re so dirty. What were you up to?
I can’t look at you. You’re so dirty. What were you up to?
131
________you turn down the volume ? – It’s too loud.
Could you turn down the volume ? – It’s too loud.
132
A : I’m sure schools 50 years ago weren’t the same as they are nowadays (BE)
B : Schools 50 years ago _______ very different from nowadays.
A : I’m sure schools 50 years ago weren’t the same as they are nowadays (BE)
B : Schools 50 years ago must have been very different from nowadays.
133
A : It’s possible Josef went to school by bus . (TAKE)
B : Josef _________ the bus to school.
A : It’s possible Josef went to school by bus . (TAKE)
B : Josef might have taken the bus to school.
134
A : I’m sure their holiday wasn’t very nice because the weather was so bad (HAVE).
B : With such terrible weather, they _______ a very nice holiday.
A : I’m sure their holiday wasn’t very nice because the weather was so bad (HAVE).
B : With such terrible weather, they can’t have had a very nice holiday.
135
A : I wonder if Jane remembers how to get here (FORGET).
B : Jane ________ how to get here.
A : I wonder if Jane remembers how to get here (FORGET).
B : Jane may have forgotten how to get here.
136
A : I’m sure Chloe isn’t still looking for her watch (FIND).
B : Chloe ________ her watch by now.
A : I’m sure Chloe isn’t still looking for her watch (FIND).
B : Chloe must have found her watch by now.
137
A : We are going in the wrong direction (MISS).
B : Yes, we ________ a turning.
A : We are going in the wrong direction (MISS).
B : Yes, we must have missed a turning.
138
A : Shakespeare and Voltaire weren’t alive at the same time, so they definitely never met
(KNOW).
B : Shakespeare and Voltaire weren’t alive at the same time, so they ________ each other.
A : Shakespeare and Voltaire weren’t alive at the same time, so they definitely never met
(KNOW).
B : Shakespeare and Voltaire weren’t alive at the same time, so they can’t have known each other.
139
A : Alison looks happy about her exam results, so she’s certainly done well (DO)
B : Alison looks happy about her exam results, so she ________ well.
A : Alison looks happy about her exam results, so she’s certainly done well (DO)
B : Alison looks happy about her exam results, so she must have done well.
140
A : I’m not sure it's right to blame Ray for that mistake (MAKE).
B : Ray _________ that mistake.
A : I’m not sure it's right to blame Ray for that mistake (MAKE).
B : Ray might not have made that mistake.
141
A : Joe can’t open the door . Maybe he can’t remember where he put the key (LOSE)
B : Joe can’t open the door. He ___________the key.
A : Joe can’t open the door . Maybe he can’t remember where he put the key (LOSE)
B : Joe can’t open the door. He may have lost the key.
142
Sally looks worried. She ________ a problem with something. (Have)
Sally looks worried. She must have a problem with something. (Have)
143
Bob _______ at school because I haven’t seen him all day. (Be)
Bob must be at school because I haven’t seen him all day. (Be)
144
I ________ you the money. Why didn’t you ask me? (Lend)
I could have lent you the money. Why didn’t you ask me? (Lend)
145
Mr. Travis hasn’t come to work yet. He has never been late for work. He _________ the bus. (Miss)
Mr. Travis hasn’t come to work yet. He has never been late for work. He must have missed the bus. (Miss)
146
She knew everything about our plans. She ________ to our conversation. (Listen)
She knew everything about our plans. She must have listened to our conversation. (Listen)
147
A: Will you come to my birthday party tomorrow afternoon?
B: I’m sorry but I _______ because I have to look after my sister. (Come)
A: Will you come to my birthday party tomorrow afternoon?
B: I’m sorry but I can’t come because I have to look after my sister. (Come)
148
Timmy is a very good boy. He isn’t naughty, so he ________ that window. Somebody else ________ it. (Break)
Timmy is a very good boy. He isn’t naughty, so he can’t have broken that window. Somebody else must have broken it. (Break)
149
The street is wet this morning. I’m not sure but it _______ last night. (Rain)
The street is wet this morning. I’m not sure but it might have rained last night. (Rain)
150
She ________ like an angel when she was a child. (Sing)
She could sing like an angel when she was a child. (Sing)
151
A: I talked to your science teacher yesterday.
B: You ________ to her, because she wasn’t at school yesterday. (Talk)
A: I talked to your science teacher yesterday.
B: You can’t have talked to her, because she wasn’t at school yesterday. (Talk)
152
Mr. White bought a new fur coat! She _________ the lottery. (Win)
Mr. White bought a new fur coat! She must have won the lottery. (Win)
153
He came home alone yesterday. You shouldn’t let him do that; he ________. (Lose; Get)
He came home alone yesterday. You shouldn’t let him do that; he might get lost. (Lose; Get)
154
He read the message but he_________. (Understand)
He read the message but he couldn't understand it. (Understand)
155
The singer has got a sore throat so she _________ at the concert. (Sing)
The singer has got a sore throat so she can’t sing at the concert. (Sing)
156
It _________ Jack I saw in the park yesterday, but I’m not sure about it. (Be)
It could have been Jack I saw in the park yesterday, but I’m not sure about it. (Be)
157
We can’t wait any longer. Something _________ at once. (Do)
We can’t wait any longer. Something must be done at once. (Do)
158
Everyone shouted in fear. They _________ very afraid. (Be)
Everyone shouted in fear. They must have been very afraid. (Be)
159
A: I’m afraid Ted is watching TV again.
B: He ________ TV because his room is completely silent and dark. He ________. (Watch/Sleep)
A: I’m afraid Ted is watching TV again.
B: He can't be watching TV because his room is completely silent and dark. He might be sleeping. (Watch/Sleep)
160
I can’t find my book. I _________ it on the bus. (Leave)
I can’t find my book. I might have left it on the bus. (Leave)
161
She _______ stupid. She teaches math at the university. (Be)
She can't be stupid. She teaches math at the university. (Be)
162
She _______ to school. It’s Saturday. (Go)
She can’t go to school. It’s Saturday. (Go)
163
You were stupid to go skiing here. You ________ a leg. (Break)
You were stupid to go skiing here. You could have broken a leg. (Break)
164
He looked so tired when I saw him. He ________ so hard. (Work)
He looked so tired when I saw him. He must have worked so hard. (Work)
165
Tom _________ this because it is in French and Tom doesn’t know french. (Write)
Tom can’t have written this because it is in French and Tom doesn’t know french. (Write)
166
Rose and Ted _______ be good players. They have won hundreds of cups.
Rose and Ted must be good players. They have won hundreds of cups.
167
You ________ pay to use the library. It’s free.
You don’t have to pay to use the library. It’s free.
168
I’m not sure where my wife is at the moment. She ______ at her dance class.
I’m not sure where my wife is at the moment. She might be at her dance class.
169
Jerry ______ be working today. He never works on Sundays.
Jerry can't be working today. He never works on Sundays.
170
You _______ be 18 to see that film.
You must be 18 to see that film.
171
You ________ hear this story. It’s very funny.
You should hear this story. It’s very funny.
172
Dad_______ go and see a doctor. His cough is getting worse all the time.
Dad must go and see a doctor. His cough is getting worse all the time.
173
You don’t have to shout. I _______ hear you very well.
You don’t have to shout. I can hear you very well.
174
It ______ be him. I saw him a week ago, and he didn’t look like that.
It can’t be him. I saw him a week ago, and he didn’t look like that.
175
You look pretty tired. I think you _______ go to bed early tonight.
You look pretty tired. I think you should go to bed early tonight.
176
Let me look. I ________ be able to help you.
Let me look. I might be able to help you.
177
Children, you ________ cross the street if the lights are red.
Children, you mustn’t cross the street if the lights are red.
178
You ________ sit so near the TV. It’s bad for your eyes.
You shouldn’t sit so near the TV. It’s bad for your eyes.
179
I’m sorry but I _______ give you a lift because my car is broken down.
I’m sorry but I can’t give you a lift because my car is broken down.
180
I _______ stop and talk to you now. I have to get to the library.
I can’t stop and talk to you now. I have to get to the library.
181
You really _______ go to the Louvre if you’re in Paris. It’s wonderful.
You really should go to the Louvre if you’re in Paris. It’s wonderful.
182
You ________ come to the party if you don’t feel well.
You shouldn’t come to the party if you don’t feel well.
183
I don’t know where Kelly is. She ________ be at her sister’s.
I don’t know where Kelly is. She might be at her sister’s.
184
You have passed all your tests. You ______be very pleased with yourself.
You have passed all your tests. You should be very pleased with yourself.
185
You_______ smoke in your car, especially if there are children sitting in the back.
You mustn’t smoke in your car, especially if there are children sitting in the back.
186
You ________ work this evening. I can do the tasks for you.
You don’t have to work this evening. I can do the tasks for you.
187
John doesn’t need a calculator. He _______do sums in his head.
John doesn’t need a calculator. He can do sums in his head.
188
Passengers ________ open the door when the train is moving.
Passengers mustn’t open the door when the train is moving.
189
It ________ rain today. It’s getting cloudy already.
It might rain today. It’s getting cloudy already.
190
I _______ pay for the tickets because I got them from Sam for free.
I don’t have to pay for the tickets because I got them from Sam for free.
