Exercise 5. Complete the sentences using needn’t + the following verbs:
ask come explain leave tell walk
0. We’ve got plenty of time. We needn’t leave yet.
1. I can manage the shopping alone. You with me.
2. We all the way home. We can get a taxi.
3. Just help yourself if you’d like more to eat. You first.
4. We can keep this a secret between ourselves. We anybody else.
5. I understand the situation perfectly. You further.