Modal Verbs Test

"That man has a lot of expensive cars. He must be very rich". What´s the function of "must"?

"This is a hospital. You must not smoke here". What´s the function of "must not"?

"You look very tired. I think you should go to bed early tonight". What's the function of "should"?

"You’ve worked enough for today. You can go home now". What's the function of "can"?

"When I was ten years old, I could sing those songs". What's the function of "could"?

"She may be too exhausted to help you right now". What's the function of "may"?

"You might become president one day" What's the function of "might"?

"You will have to be here tomorrow if you want to keep your job". What's the function of "have to"?

1. Children [blank_start]must/can[blank_end] obey their parents (obligation)

2. Students [blank_start]should/may[blank_end] leave the room now (permission)

3. I [blank_start]could[blank_end] never kill anybody (ability)

4. If you want, we [blank_start]could/should[blank_end] go to the movies (possibility)

5. She’s been studying all night long. She [blank_start]might/must[blank_end] be tired (logical conclusion)

6. You [blank_start]should/must[blank_end] not bring your pet here. (prohibition)