Modals (past)

She didn’t know you needed help. You _____________ told her.

• should have

• must have

• might have

You _____________ forgotten to announce the energy-saving changes to the budget, you did exactly the same thing with our report last month!

• must have

• might have

• can't have

I’m sure that Alice ____________ introduced her waste reduction initiative successfully because she was looking really excited. might have

• might have

• could have

• must have

I can't remember where I put my speech notes on recommerce! But I __________ written it in my notebook as sometimes I do that.

• can't have

• may have

• should have

He  __________ known about it when I saw him. I'm sure he would have told me.

• must have

• might have

• can't have

He ____________ started the zero waste company policy. He's never recycled a thing.

• couldn't have

• should have

• might have

I’m not a fan of their logo. I think they _________changed it years ago.

• should have

• must have

• might have

I can’t believe you met Angelina Jolie in person. That ______ have been amazing!

• should

• must

• might

You  _____ mentioned it in front of the rest of the team. I would have talked to him in private about it.

• can't have

• shouldn't have

• mustn't have

John ___________ been at the party last night. He’s not even in the country. He flew to Japan yesterday morning.

• might not have

• couldn't have

• shouldn't have