Front

What is a modal verb?

Back

A modal verb is a type of auxiliary verb that expresses necessity, possibility, permission, or ability. Examples include 'must', 'might', 'could', and 'can'.

Front

What does 'must have' indicate in a sentence?

Back

'Must have' indicates a strong assumption or certainty about a past event. It suggests that the speaker is confident that something happened.

Front

What does 'might have' suggest in a sentence?

Back

'Might have' suggests a possibility about a past event, indicating that something could have happened but is not certain.

Front

What does 'can't have' imply in a sentence?

Back

'Can't have' implies that something is impossible or very unlikely to have happened in the past.

Front

What is the difference between 'could have' and 'might have'?

Back

'Could have' suggests a possibility or ability in the past, while 'might have' suggests a weaker possibility.

Front

How do you use 'must have' in a sentence?

Back

You use 'must have' to express a strong belief about a past action. For example: 'She must have left early.'

Front

Provide an example of a sentence using 'might have'.

Back

Example: 'He might have taken the wrong bus to school.'

Front

What is the structure of a sentence using 'can't have'?

Back

The structure is: Subject + can't have + past participle. Example: 'They can't have finished the project already.'

Front

What does 'must have eaten' imply about the cookies?

Back

It implies that the speaker is certain someone ate the cookies because they are no longer available.

Front

How do you form a question using 'could have'?

Back

You form a question by inverting the subject and modal. Example: 'Could he have gone to the party without telling us?'