Prohibition, obligation and permission

If I want to express a rule that was mandatory I use

• had to, were required to, were supposed to

• should, must, have to

• are supposed to, are obliged to

• must, were required to

If I want to express a permission in present, I use

• can, may, should

• could, were allowed to

• be allowed to, may

• permit, can

"were supposed to" is stronger than "were required to" when referring to obligation

• True

• False

The main difference between expressions of prohibition, permission or obligation in present and in past is

• the main verb

• the verb of the expression

• the time expression

• the verb to be

Select all the modals used for permission

• may, might

• can, be able to

• could, be allowed to

• should, had better

Select all the modals and expressions used to express obligation

• be supposed to

• be required to

• must

• have / has / had to

Select all the modals and expression to be used with prohibitions

• all modals verbs and expressions in negative

• must

• ought to

• had better

Complete the sentence: In the Colombo, we (a)   wear any kind of clothes keeping a professional look.

Complete the question: Some years ago, women (a)   obey everything what her husband said.

Complete the sentence: When I was studying in the school, I (a)   use makeup or polish my nails with colors.