Modal Perfects

Modal Perfects

10th Grade

Uses

Modal Verbs: ?

Modal Perfects: To talk about actions, assumptions and conclusions from the PAST.

If we are talking about 'perfect' how do you think is the structure?

Must have + past participle

• To express with certainty that something happened

can't have/couldn't have + past participle

To express negatively with certainty that something didn't happen.

might have / may have / could have + past participle

when there is a POSSIBILITY that something happened.

This same verbs can be used for negative sentences adding 'NOT'

should / shouldn't have + past participle

When we would like to change something but it's not possible.