Optimise B1, Unit 5, Grammar 2 - Modals

My dad doesn't let / allow me eat my dinner in front of the television.

• let

• allow

I think you should / ought to cheer up. Being sad all day won't help.

• should

• ought

My mum says I allowed / can go to the concert if I help my grandfather at the weekend.

• allowed

• can

Kate's mum believes that all mobile phones should / must to be switched off during meals.

• should

• must

I could / must remember to take my medicine three times a day. It's very important!

• could

• must

Our teacher allows / lets us to use our mobiles to look up words in English.

• allows

• lets

Jessica broke her leg. She won't be able / can't to walk for three months.

• won't be able

• can't

It gets me down sometimes when I can't / won't be able do something that I am trying to do.

• can't

• won't be able

At our school you need not / don't have to wear a uniform. It's not necessary.

• need not

• don't have

remember when I was little I am able to / could hide under my bed. Now I'm too big!

• am able to

• could