May Might Could

They______ be away for the weekend but I'm not sure.

• can

• might

• must

You_________ leave now if you wish.

• may

• can't

• must

He ___________ be French, judging by his accent.

• can't

• could

• may

Listen, please. You ________speak during this exam.

• can

• may not

• haven't

They are in a quarantine. They _________ still be out!

• must

• can't

• may

With luck, tomorrow ___________ be a sunny day.

• must

• might

• could

• can't

I think there ______ a mistake in your tax return. You should check it.

• can't be

• mustn't be

• might be

If Suzan said that, it ______ true. She always lies.

• can't

• must

• might

Sorry, but I'm not Connor. You ______ me for someone else.

• might

• can't

• don´t have

I'm not sure I trust Peter. He ______ the person we think he is.

• might not be

• can't be

• must not be