The Grammaring Guide to English Grammar with Exercises

Revision questions: modals

What is the past equivalent of I must give up smoking: I had to give up smoking or I must have given up smoking?

What time does It was going to rain refer to?

Can we use a perfect infinitive after a modal verb that refers to past time?

What does He might have died mean?

What is the difference between I didn't need to worry, I needn't have worried and I shouldn't have worried?

What does can't in You can't be serious express: ability, deduction or prohibition?

Which modals can be used to express suggestions, offers and requests?

What is the difference in usage between can and may for permission?

What is the difference in usage between used to and would for past habits?

Can will be used to refer to past time?