Fill in the blanks with needn’t or mustn’t.
1. You ................................ violate the rules.
Correct!
Wrong!
Need not shows lack of necessity or obligation. Must not shows prohibition.
2. You .............................. inform them. They already know.
Correct!
Wrong!
3. You ............................. invite her. I don't want her to come.
Correct!
Wrong!
4. We have got plenty of time. We .............................. hurry.
Correct!
Wrong!
5. They were safe. I .................................... have worried so much.
Correct!
Wrong!
6. You ............................. wake the baby up.
Correct!
Wrong!
7. You .............................. have woken me up so early. I don't have to go to work today.
Correct!
Wrong!
8. We ................................... have rushed. We could have taken our time.
Correct!
Wrong!
9. You .............................. waste time on idle pursuits.
Correct!
Wrong!
10. I know everything. You ........................... explain.
Correct!
Wrong!
11. You ............................... say such nasty things.
Correct!
Wrong!
12. We ............................... have started so early.
Correct!
Wrong!
Answers
- You must not violate the rules.
- You needn’t inform them. They already know.
- You must not invite her. I don’t want her to come.
- We have got plenty of time. We needn’t hurry.
- They were safe. I needn’t have worried so much.
- You must not wake the baby up.
- You needn’t have woken me up so early. I don’t have to go to work today.
- We needn’t have rushed. We could have taken our time.
- You must not waste time on idle pursuits.
- I know everything. You needn’t explain.
- You must not say such nasty things.
- We needn’t have started so early.
