Modals: obligation and necessity

We use: need to and needed to when we talk about ( ...)

• necessity

• no obligation

• obligation

• prohibition

You _______________ use your phone while you are at the bank.

• shouldn't

• don't have to

• mustn't

• must

You........take me home because my father is giving me a lift.

• should

• have to

• mustn't

• don't have to

• must

 

Aliza............. clean the bathroom today as it's her sister's turn.

• has to

• doesn't have to

• must

• mustn't

You ............... do everything he says, but you ............... respect him.

• don't have to / must

• have to / must

• mustn't / must

• must / don't have to

We __________ hurry home. It's still early.

• should

• mustn't

• must

• needn't

Rustam lives far from the university, so he ___ to take a bus every day to get there.

• must

• has

• have

We didn't have money to get on the bus, so we ... walk home.

• have to

• has to

• must

• had to

We ... walk home because we had enough money to het a taxi.

• don\'t have to

• doesn\'t have to

• didn\'t have to

• mustn\'t

You.........go to the party. It’s going to be really interesting.

• must

• have to

• should

• had to