Past Modals of Certainty

Choose the degree of certainty according to the following phrase:

I'll bet, he didn't win the game

• Very Certain

• Almost Certain

• Not Certain

Choose the degree of certainty according to the following phrase:

It's obvious that we passed the exam

• Very Certain

• Almost Certain

• Not Certain

What’s the best way to complete the sentence? I can’t remember what Jason does at university. He could study geography or…

• he must study geology.

• he may not study geology.

• he might study geology.

Which sentence means:

I think that talking to Ian will help you solve the problem.

• Talking to Ian might help.

• Talking to Ian must help.

• Talking to Ian can’t help.

Complete the sentence.

My passport ___ be in at home. I’ve already looked inside my bag three times.

• must

• may

• can’t

That __________ Ellen’s sister. They look so alike.

• Must be

• Might be

• May be

How certain is this statement?

I'll bet he got stuck in the traffic.

• very certain

• almost certain

• not certain

Which past modal of certainty best completes the sentence? 'She _______ have left already, her car is still in the driveway.'

• A) mustn't

• B) can't

• C) might

• D) could

Choose the correct past modal of certainty: 'He _______ have forgotten his keys at home, he always does that.'

• A) must

• B) might

• C) can't

• D) could

Identify the degree of certainty: 'They must have arrived by now.'

• A) Very Certain

• B) Almost Certain

• C) Not Certain

• D) Impossible