Lesson 11C

The 3rd Conditional

it's used

Something that didn't happen

In the past

To imagine a diffetent outcome

Structure

An imaginary past.

If + subject + past perfect , subject + would have + past participle

You can also swap those round:

subject + would have + past participle , If + subject + past perfect

Examples

If I'd had my camera, I'd have taken a photo.

If I'd woken up earlier, I wouldn't have missed my flight.

Note

There's only one would in a third conditional sentence.

We don't use would in the if part.