Unit 32 - Must, mustn’t, needn’t

Question 1

What does « you must do something » mean?

Answer 1

It is necessary that you do it

Question 2

what does « you mustn’t do something » mean?

Answer 2

It is necessary that you do not do it

Question 3

What does « needn’t/don’t need to » mean?

Answer 3

it’s not necessary to do it

Question 4

what are the 3 negative forms of “don’t need to do”?

Answer 4

• don’t need to do
• doesn’t need to do
• needn’t do

Question 5

What does « needn’t have » mean?

Answer 5

you did sth but it is not necessary
example:
They needn’t have reserved a table = they reserved a table, but this was not necessary.

Question 6

What does « needn’t have done something » mean?

Answer 6

he did it, but now we know that it was not necessary.
example:
* why did he get up at 5 o’clock? He needn’t have got up so early. He could have stayed in bed longer.

Question 7

What does « didn’t need to do something » means?

Answer 7

it was not necessary to do it. It doesn’t matter whether he did it or not.
example:
* He didn’t need to get up early, so he didn’t