Third Conditional: Structure and Examples in English

Third conditional

For imaginary situations from the past

Conditional

Result

Past perfect / past perfect continuous

Would/modal + have + past participle

For regrets

Applications

To imagine a different result

If I'd known you were coming

I would have baked a cake

If I'd known you were coming, I would have baked a cake

An imaginary past

if + subject + past perfect

,

subject + would have + past participle

They can be exchanged

Structure

Modals

Would

Could

Should