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Needn’t vs. Mustn’t Exercise

September 17, 2024 A1pdf

Fill in the blanks with needn’t or mustn’t.

Progress 0 of 12 answered
1You ............... violate the rules.
Wrong!
"Must not" is correct because violating the rules is prohibited.
2You ............... inform them; they already know.
Wrong!
"Needn't" is correct because informing them is not necessary.
3You ............... invite her; I don't want her to come.
Wrong!
"Must not" is correct because inviting her is not allowed.
4We have got plenty of time, so we ............... hurry.
Wrong!
"Needn't" is correct because hurrying is not necessary.
5They were safe, so I ............... have worried so much.
Wrong!
"Needn't" is correct because the worrying happened but was unnecessary.
6You ............... wake the baby up.
Wrong!
"Mustn't" is correct because waking the baby is prohibited.
7You ............... have woken me up so early; I don't have to go to work today.
Wrong!
"Needn't" is correct because waking me early happened but was unnecessary.
8We ............... have rushed; we could have taken our time.
Wrong!
"Needn't" is correct because rushing happened but was unnecessary.
9You ............... waste time on idle pursuits.
Wrong!
"Mustn't" is correct because wasting time is being presented as something you should not do.
10I know everything, so you ............... explain.
Wrong!
"Needn't" is correct because explaining is not necessary.
11You ............... say such nasty things.
Wrong!
"Must not" is correct because saying such nasty things is not acceptable.
12The meeting was delayed, so we ............... have started so early.
Wrong!
"Needn't" is correct because starting early happened but was unnecessary.

Exercise complete

0/ out of 12 correct answers
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Answers

  1. You must not violate the rules.
  2. You needn’t inform them; they already know.
  3. You must not invite her; I don’t want her to come.
  4. We have got plenty of time, so we needn’t hurry.
  5. They were safe, so I needn’t have worried so much.
  6. You mustn’t wake the baby up.
  7. You needn’t have woken me up so early; I don’t have to go to work today.
  8. We needn’t have rushed; we could have taken our time.
  9. You mustn’t waste time on idle pursuits.
  10. I know everything, so you needn’t explain.
  11. You must not say such nasty things.
  12. The meeting was delayed, so we needn’t have started so early.

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Related lesson in the course Obligation and necessity: must, have to and don’t have to Module 05: Modals & conditions · Lesson 2

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