Modals in the past

She .... left her phone at school. Or perhaps she left it on the bus.

• can't have

• might have

• must have

There's no pizza left. We .... eaten it all.

• can't have

• could have

• must have

Juliet .... gone on holiday. She was at school yesterday !

• can't have

• may have

• must have

I didn't get your e-mail. Do you think you .... sent it to my old e-mail address.

• can't have

• could have

• must have

You went 130 km in less than an hour? You .... driven very fast.

• can't have

• could have

• must have

It ______ have been my wife who moved it. She has the other key. But perhaps it was stolen...

• might
• must
• can't

Oh hang on... This sign says 'Parking illegal. Cars will be removed'. It ______ have been the police who moved it.

• must
• can't
• may

I ______ have checked the parking restrictions before I left my car there! Now I'll have to pay a fine!

• can't
• should
• must

Mandy                             gone later in the year to Rome, but I couldn’t get time off work.

I                taken a raincoat. I got so wet.