Optimise A2, Unit 8 - Grammar 1 (Modals 1: ability, necessity, o

Can / Could you swim when you were four years old?

• Can

• Could

I must / needn't practise every day - I have to if I want to get better.

• must

• needn't

She has to / can go to school tomorrow so she can't be at home.

• has to

• can

We may / can go windsurfing tomorrow, but we're not sure.

• may

• can

They needn't / couldn't go running yesterday because it was raining.

• needn't

• couldn't

Do I have to / must eat all the dinner?

• have to

• must

You should / can't expect to play your best if you don't train every day.

• should

• can't

They might / needn't move to another team, but I don't want them to.

• might

• needn't

He must / had to stop playing last year because he hurt his ankle.

• must

• had to

• We didn't have to / mustn't take the bus yesterday, but we thought it would be quicker.

• didn't have to

• mustn't