PAST MODALS OF SPECULATION

She ................................studied really hard. She passed all her exams with excellent grades.

• might have

• could have

• should have

• must have

Sarah ................................ been so happy when she found out she was being promoted

• can't have

• must have

• shouldn't have

• couldn't have

The boss is in a terrible mood. The meeting ................................ been good.

• must have

• might have

• can't have

• shouldn't have

He ................................ arrived by now. It's only a 20 minute journey.

• should have

• must have

• can't have

• might have

He ................................ bought a new car. He doesn't have any money

• couldn't have

• may have

• must have

• might have

Lucy __ attended the concert, but we aren't sure.

• couldn't have

• must have

• may have

• might not have

I'm sure he ate some chocolate.

• He must have eaten chocolate

• He can't have eaten chocolate

• He may have eaten chocolate

• He might have eaten chocolate

Rihanna is rich. I'm sure she didn't steal the necklace.

• She can't have stolen the necklace.

• She must have stolen the necklace.

• She may have stolen the necklace.

• She should have stolen the necklace.

Nixon might have ...... under a lot of pressure!

• be

• were

• been

• to be

The police couldn't ..... done more to uncover the mystery behind this tragedy.

• to have

• to had

• had

• have