Modal Verbs of Deduction / Speculation

Choose the correct option.

What, you forgot your ticket and passport? You ____ be serious!

• can't

• might

• can

• might not

Complete the sentence with the correct form of the verb in brackets.

You can't ___ (see) Joe in town at noon – he was at home with me.

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.

I don't know how they went London, but it's possible that they travelled by train. MAY

They _____ to London by train.

Choose the correct option.

I'm not sure if you are right. You _____ have made a mistake.

• could

• might

• can't

• should

Complete the sentence with an appropriate modal structure and the verb in brackets.

The traffic's really bad, I'm worried we ____ our train. (miss)

Complete the sentence with the correct form of the verb in brackets.

Wendy's accent is a bit strange. She could ___ (be) Northern Irish, but I'm not sure.

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.

I'm sure Jack lived in China as a child. MUST

Jack _____ in China as a child.

Choose the correct option.

They _____ have visited that museum. It's closed.

• couldn't

• mustn't

• might not

• shouldn't

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.

I'm certain that animal is a jaguar – look how fast it can run! MUST

That animal _____________a jaguar – look how fast it can run!

Complete the sentence with the correct form of the verb in brackets.

I might ___ (leave) my mobile at the hotel but I don't remember.