MODAL VERBS (SUGGESTION, OBLIGATION, PROHIBITION)

1. Look at the box and choose the correct alternatives.

 

a) You _______ drink water. (must / mustn’t)

b) You _______ eat potato chips. (must / shouldn’t)

c) You _______ eat in the morning. (shouldn’t / must)

d) You _______ be in contact with people. (should / mustn’t)

e) You _______ do the same activities. (shouldn’t / should)

f) You _______ know what you eat. (mustn’t / should)

 

2. Read the situations below and give your advice. Use must, mustn’t, should, or shouldn’t.

a)

A: Why do you have to study so much during the night?

B: Because my final exams are next week and I have a part-time job.

You: ____________________________.

b)

A: Why can’t Alex call Lucy to go out with him?

B: Because he is too shy.

You: ____________________________.

c)

A: Could you lend me your video game? Mine is not working.

B: I wish I could. But I am afraid Henry is not going to agree. It’s his video game too.

You: ____________________________.