Chapter 1 Flashcards
Present Simple
Present Simple
In general, the simple present expresses events or situations that exist always, usually, habitually; they exist now, have existed in the past, and probably will exist in the future.
Examples
It snows in Alaska .
Tom watches TV every day.
Past Simple
Past Simple
At one particular time in the past, this happened. It began and ended in the past.
Examples
It snowed yesterday.
Tom watched TV last night.
Future Simple
Future Simple
At one particular time in the future, this will happen.
Examples
It will snow tomorrow.
It is going to snow tomorrow.
Tom will watch TV tonight.
Tom is going to watch TV tonight.
The Progressive Tenses
The Progressive Tenses
The progressive tenses* give the idea that an action is in progress during a particular time. The tenses say that an action begins before, is in progress during, and continues after another time or action.
Form: be + -ing (present participle)
*The progressive tense s are also called the “continuous” ten ses: present continuous, past continuous , and future continuous.
Present Progressive
Present Progressive
Example
Tom is sleeping right now.
Meaning
It is now 11:00. Tom went to sleep at 10:00 tonight, and he is still asleep. His sleep began in the past, is in progress at the present time, and probably will continue
Past Progressive
Past Progressive
Example
Tom was sleeping when I arrived.
Meaning
Tom went to sleep at 10:00 last night. I arrived at 11:00. He was still asleep. His sleep began before and was in progress at a particular time in the past. It continued after I arrived.
Future Progressive
Future Progressive
Example
Tom will be sleeping when we arrive.
Meaning
Tom will go to sleep at 10:00 tomorrow night. We will arrive at 11:00. The action of sleeping will begin before we arrive, and it will be in progress at a particular time in the future. Probably his sleep will continue.
The Perfect Tenses
The Perfect Tenses
Form: have + past participle
Meaning: The perfect tenses all give the idea that one thing happens before another time or event.
Present Perfect
Present Perfect
Example
Tom has already eaten.
Meaning
Tom finished eating sometime before now.
The exact time is not important.
Past Perfect
Past Perfect
Example
Tom had already eaten when his friend arrived.
Meaning
First Tom finished eating. Later his friend arrived. Tom’s eating was completely finished before another time in the past.
Future Perfect
Future Perfect
Example
Tom will already have eaten when his friend arrives.
Meaning
First Tom will finish eating. Later his friend will arrive. Tom’s eating will be completely finished before another time in the future.
The Perfect Progressive Tenses
The Perfect Progressive Tenses
Form: have + been + -ing (present participle)
Meaning: The perfect progressive tenses give the idea that one event is in progress immediately before, up to, until another time or event. The tenses are used to express the duration of the first event.
Present Perfect Progressive
Present Perfect Progressive
Example
Tom has been studying tor two hours.
Meaning
Event in progress: studying.
When? Before now, up to now.
How long? For two hours.
Past Perfect Progressive
Past Perfect Progressive
Example
Tom had been studying tor two hours before his friend came.
Meaning
Event in progress: studying.
When? Before another event in the past.
How long? For two hours.
Future Perfect Progressive
Future Perfect Progressive
Example
Tom will have been studying tor two hours by the time his friend arrives.
Meaning
Event in progress: studying.
When? Before another event in the future.
How long? For two hours