Fill in the blanks with must, need, must not, need not, must not have etc.
1You ............... wait until I return.
Select 2 answers.
Wrong!
"Must" and "need to" both express necessity before a base verb here. Bare "need" is not used like this in positive statements.
2You ............... to leave now.
Select 2 answers.
Wrong!
Use "need" or "have" before "to" to make a correct necessity phrase here.
3You ............... not leave before you have finished the job.
Wrong!
Use "must" in "must not" to express prohibition.
4............... I go now?
Select 2 answers.
Wrong!
"Must" and "Need" can both start a formal question about necessity.
5You don't ............... wait for me.
Wrong!
After "don't", use "need to" before the base verb.
6Do I ............... pay for my drinks?
Wrong!
In a question with "do", use "need to" before the base verb.
7You ............... come on time.
Select 2 answers.
Wrong!
"Must" and "need to" both express necessity before a base verb here.
8You ............... start coming on time.
Select 2 answers.
Wrong!
"Must" and "need to" both fit before the base verb "start" here.
9You ............... not lie or steal.
Wrong!
Use "must" in "must not" to say that something is prohibited.
10There is the doorbell. That ............... be the postman.
Wrong!
Use "must" to make a strong logical deduction in the present.
11Something ............... have fallen, for I heard a thud.
Wrong!
Use "must" with "have" and a past participle to make a strong deduction about the past.
12A man called while you were sleeping. That ............... have been James.
Wrong!
Use "must" with "have been" to make a strong deduction about the past.
Exercise complete
0 out of 12
correct answers
Answers
- You must / need to wait until I return.
- You need / have to leave now.
- You must not leave before you have finished the job.
- Must / Need I go now?
- You don’t need to wait for me.
- Do I need to pay for my drinks?
- You must / need to 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.