GSI Modal Verb Review

It ______ be that the illness will end in death, but I'm not certain.

• could
• will
• should
• must

I'm not sure where to go on my vacation, but I ______ to Ha Long Bay.

• able to go

• may go

• can be going

• may not be going

She _______ for her parents’ support during her university education, but she preferred to work part-time and support herself.

• should have asked    

• could have asked

• must have asked

• ought to ask

______ that there will be a change in her condition.

• Perhaps

• Probably

• It's possible

• May be

I _______ watch TV later, but I have a lot of homework to do too.

• might

• will

• must

• should

Is Jeff a good student?

He ____. I don't know him well, but I heard he was offered a scholarship for next year.

• must be

• could be

• is

• can't be

She relies on Tom far too much. She doesn't take into account the possibility that he ____ her; in spite of his willingness to do so.

• may not want to help

• may not have helped

• can't have helped

• might not be able to help

She _______ her keys at home, otherwise she would have been able to drive.

• must have forgotten

• should have forgotten

• could have forgotten

• might have forgotten

Do you think _____?

• could I take a painkiller

• do I take a painkiller

• I could take a painkiller

• will I take a painkiller

We can change the medication, but I'm sure it ______.

• will work
• might not work

• must work

• won't work