Past Modals of Certainty

He studied nothing and passed the exam, so he ________ cheated.

• can't have

• must have

• should have

• shouldn't have

He didn’t even smile at my jokes. He _______ they were funny.

• shouldn't have thought

• wouldn't have think

• must not have thought

• should have think

Matt _______ college in 1997. He was only 14 years old.

• may not have graduated

• might not have graduate

• must not have graduate

• couldn't have graduated

Sarah looked very happy. She __________ passed her driving test.

• may have

• could have

• can

• must have

Choose the degree of certainty according to the following phrase: Maybe, she won't come to class

• Very Certain

• Not Certain

• Almost Certain

Choose the degree of certainty according to the following phrase:

I wonder if he will complete the homework

• Not Certain

• Very Certain

• Almost Certain

Choose the degree of certainty according to the following phrase:

It's possible that we aren't going to the party

• Very Certain

• Not Certain

• Almost Certain

He studied nothing and passed the exam, so he ________ cheated.

• can't have

• must have

• should have

• shouldn't have

He didn’t even smile at my jokes. He _______ they were funny.

• shouldn't have thought

• wouldn't have think

• must not have thought

• should have think

Matt _______ college in 1997. He was only 14 years old.

• may not have graduated

• might not have graduate

• must not have graduate

• couldn't have graduated