Advanced: MODAL VERBS

Obligations: Which modal verb expresses an obligation imposed by the speaker?

• have to

• must

Obligations: Which modal verb expresses an obligation imposed by an authority from outside?

• have to

• must

Obligations: Which are the differences between should/ought to and must/have to?

• should/ought to express a weaker obligation

• must/have to are more formal

• should/ought to are for moral obligations (subjective)

• must/have to impose an obligation to oneself

Complete the sentence:

"You _______________ a table earlier. The restaurant is already full.

• ought to book

• should have booked

• had to book

• must have book

Complete: "I ______________ an umbrella. The news announced it wasn't going to rain."

• needn't take

• needn't have taken

• didn't need to

• don't need to take

Complete "In the end it didn't rain as they had foreseen. I ________________ an umbrella!"

• needn't have taken

• didn't need to take

• needn't take

• don't need to take

Which of these modals can be used to express present habits?

• would

• will

• shall

• used to

Select the possible uses of WOULD to express HABITS.

• to describe a typical characteristic of a certain kind of person

• past habits which were true. only with action/dynamic verbs.

• past habits which were true. with both dynamic/state verbs.

• annoying habits which are typical of a person

Habits: What's the difference between WOULD and USED TO?

• they don't differ in meaning or use

• would is only used with dynamic verbs

• would is more formal

• would is for annoying past habits

Offers: which of these statements are true?

• COULD & CAN imply more distance and tentativeness

• COULD & CAN are more formal than WILL & WOULD

• WILL for intents, you don't expect sb to accept

• WILL is more encouraging