Modals to express obligation and to give advice -What I Know

Which of the following modals indicates strong obligation?

• must

• mustn't

• should

Which of the following modals indicates no obligation?

• don't have to

• mustn't

• shouldn't

Which of the following modals is used to give an advice?

• must

• mustn't

• should

Which of the following modals indicates strong obligation in the past?

• didn't have to

• had to

• should have

Which of the following modals indicates a past action that didn’t happen and the advice or regret is too late?

• didn't have to

• had to

• should have

You _____ be late tomorrow! We have a lot of work to do.

• must

• mustn't

• shouldn't

The museum offers free ticket. You _____ buy for us.

• don't have to

• mustn't

• shouldn't

Erik _____ smoke inside the school.

• doesn't have to

• mustn't

• shouldn't

We ____ rush because we were given plenty of time to accomplish that.

• don't have to

• mustn't

• shouldn't

When I was college, I _____ work part-time to help my parents in paying my tuition.

• didn't have to

• had to

• should have