Understanding 'Could Have' and 'Couldn't Have'

Practicing pronunciation

Understanding 'could have' and 'couldn't have'

Learning new vocabulary

Improving listening skills

Present ability

Past ability

Present possibility

Future ability

To talk about a past possibility

To describe a present action

To indicate a certain future

To express a future event

Events that were possible but did not occur

Events that definitely happened

Events that will happen in the future

Events that are happening now

I couldn't have going to the party yesterday.

I couldn't have gone to the party yesterday.

I couldn't have go to the party yesterday.

I couldn't have goes to the party yesterday.

An opportunity that will be available

A future opportunity

A present opportunity

An opportunity that was available but not taken

I could have gone to the concert, but I didn't.

I will go to the concert tomorrow.

I am going to the concert now.

I went to the concert yesterday.

To describe future events

To guess about past events

To talk about present events

To confirm past events

The event will happen in the future

The event was possible

The event was impossible

The event is happening now

They arrived yesterday.

They are arriving now.

They will arrive soon.

They could have arrived by now.