Modals of speculation.

Is this correct?

She must have got sick.

• Correct

• Incorrect

Is this correct?

He couldn't have forgotten our anniversary.

• Correct

• Incorrect

Is this correct?

They may / might had had a lot of work.

• Correct

• Incorrect

What word is missing?

They could _____ forgotten.

• had

• have

• hadn't

The structure of the lesson is:

Modal + Have + ...

• Simple past

• Past participle

• Past continuous

Select the correct verb:

She must have _____ sick.

• gotten

• get

• got

Select the correct modal verb:

A posibility: She _____ have gotten sick.

• Must

• May / Might

• Could

Select the correct modal verb:

100% Impossible: She _____ have gotten sick.

• Must not

• May / Might not

• Couldn't

Select the correct modal verb:

Maybe: My friend _____ have tried to call me.

• Must

• May / Might

• Could