Fill in the blanks with must, need, must not, need not, must not have etc.
1You ............... wait until I return.
Wrong!
In affirmative sentences, need is followed by a to-infinitive.
2You ............... to leave now.
Wrong!
Must is followed by an infinitive without to.
3You ............... not leave before you have finished the job.
Wrong!
Need not shows lack of necessity.
4............... I go now?
Wrong!
5You don't ............... wait for me.
Wrong!
6Do I ............... pay for my drinks?
Wrong!
7You ............... come on time.
Wrong!
8You ............... start coming on time.
Select 2 answers.
Wrong!
9You ............... not lie or steal.
Wrong!
Must not is used to prohibit.
10There is the doorbell. That ............... be the postman.
Wrong!
We do not use can to talk about possibility in affirmative sentences.
11Something ............... have fallen for I heard a thud.
Wrong!
12A man called while you were sleeping. That ............... have been James.
Wrong!
Done.
Score: 0/12
Answers
- You must wait until I return.
- You need to leave now.
- You must not leave before you have finished the job.
- Either could be used here I go now?
- You don’t need to wait for me.
- Do I need to pay for my drinks?
- You Either could be used here come on time.
- You must/need to start coming on time.
- You must not lie or steal.
- There is the doorbell. That must be the postman.
- Something must have fallen for I heard a thud.
- A man called while you were sleeping. That must have been James.

