Modals

Modal verbs express:

• necessity or possibility

• only necessity

• neither necessity nor possibility

Can/ may means:

• it's a rule

• it's possible

• it's obliged

Mustn't:

• it's not allowed to...

• it's a good idea to...

• it's possible that...

"Don't have to" means:

• it's a good idea to

• it's not allowed

• it's not necessary

....I use your car?

• Must

• Can

• Have

It is possible that Jack is afraid of the dark.

• may/ might/ could be afraid...

• must be afraid.

• should be afraid.

Paul is able to hold a spider.

• should hold a spider.

• can hold a spider.

• must hold a spider.

It s necessary to wear a helmet...

• mustn't wear a helmet.

• have to wear a helmet.

• must wear a helmet.

You are obliged to provide a medical certificate.

• must provide.

• can provide.

• could provide.

She's very good at public speaking but when she was younger she...

• couldn't face a crowd.

• mustn't face a crowd.

• may not face a crowd.