Quiz 4 – Possibility, Deduction & Past Modals

Choose the correct option:

She's not answering her phone. She ___ be in a meeting – I'm not sure.

Select one answer.

might must can't has to

Choose the correct option:

He's been working for 14 hours without a break. He ___ be exhausted.

Select one answer.

must can't might not shouldn't

Choose the correct option:

That ___ be Tom at the door – he's in Australia this week!

Select one answer.

can't mustn't might must

True or false?

For negative deduction we use "mustn't", e.g. "He mustn't be at home – the lights are off."

Select one answer.

True False

Choose the correct option:

The streets are all wet. It ___ rained during the night.

Select one answer.

must have must can't have should have

Complete with should + have + past participle of the verb in brackets:

I failed the exam. I ___ (study) harder.

Type your answer.

Which sentences say that something is possible but not certain? Select all that apply.

Select all that apply.

It may rain later. She might come to the party. They could be stuck in traffic. You must leave now. He can't be serious.

Choose the correct option (criticism of a past action):

You ___ told me you were coming! I would have cooked something.

Select one answer.

could have can have must have would

Choose the correct past modal for each gap.

1. I can't find my keys. I ___ left them at the office – I'm not sure.

Select one answer.

may have may should
2. She ___ have seen us – she was looking the other way.

Select one answer.

can't must should
3. We ___ have taken a taxi – it would have been much faster.

Select one answer.

should mustn't can't

Rewrite using a past modal of deduction:

I'm sure he forgot about the meeting. → He ___ about the meeting.

Type your answer.

Quiz complete