Past Modals

I don't know very well, but Sheyla _____ responsible for the accident. She is not very carefeul when she drives.

• must have been

• may have been

• can't have been

• should have been

We _________ (keep) the secret. Telling everyone about it was a really bad idea.

That girl ________ have taken the expensive tour, but she chose the other one. We don't think it was a smart idea.

• must

• should

• could

• could not

I _______ a new laptop, but I decided to buy a tablet instead.

• could have bought

• must not have bought

• shouldn't have bought

• can't have bought

You _________ have called to confirm your attendance. It is written that a confirmation is required. If you had done it, you wouldn't have had any problems.

I can't understand her reaction. I guess she _______ have felt disrespected.

• should

• could

• may

• shouldn't

They _______ (go) to the store. That's the only place they are allowed to go to.

If she didn't want to eat unhealthy, she ______ ordered "Chicharrón" at the restaurant.

Shirley _______, but I am not sure. Maybe it wasn't her.

• may have called

• must have called

• could have called

• should have called

The little boy _______ have broken the window. He had a ball, but we are not sure.

• could

• shouldn't

• may

• must