Modals of permission

You ____ leave if you've finished.

• may

• might

• both

____ I come in?

• Can

• May

• Both

We ____ not get into the concert without tickets, so we went home.

• might

• could

• both

____ I open the window?

• May

• Could

• Both

____ you turn the heating up a bit, please?

• Could

• May

You ____ take a mobile phone into the exam.

• can`t

• may not

• both

___ you help me?

• Can

• Could

• Both

I'm afraid you ____ not take the exam until you pay for it.

• may

• might

You ____ smoke anywhere on the train.

• cannot

• may not

You ____ use my dictionary if you want.

• Can

• Might

• Both