Third conditional

Third conditional

Revision (0. conditional)

• If + Present Simple, .... Present Simple.

• used when the result will always happen

• If water reaches 100 degrees, it boils.

• You get water if you mix hydrogen and oxygen.

• If babies are hungry, they cry.

Revision (1st conditional)

• if + Present Simple, ... will + infinitive

• used to talk about things which might happen in the future

• She will miss the bus if she doesn't leave soon.

• If I have enough money, I will buy some new shoes.

• If it rains, I will not go to the park.

Revision (2nd conditional)

• if + Past Simple, ...would + infinitive

• used to talk about things in the future that are probably not going to be true

• If I won the lottery, I would buy a house. _{(I probably won't win the lottery)}

• used to talk about something in the present which is impossible, because it's not true

• If I had his number, I would call him. _{(I don't have his number.)}

3rd conditional

• if + Past Perfect, ...would have + past participle

• used to describe a situation that didn't happen, and to imagine the result of this situation

• If we had taken a taxi, we wouldn't have missed the plane. _{(We didn't take a taxi.)}

• She would have become a teacher if she had gone to university. _{(She didn't go to university.)}

• He would have been on time for the interview if he had left the house at 10. _{(He didn't leave at 10.)}

Summary

• 0: IF + Present Simple, ... Present Simple

• 1st: IF + Present Simple, ... WILL + infinitive

• 2nd: IF + Past Simple, ... WOULD + infinitive

• 3rd: IF + Past Perfect, ... WOULD HAVE + V₃

Multiple Choice

We could have done something if they _____ us earlier.

• had told

• would have told

• told

• would tell

Multiple Select

If the weather _____ better, we _____ in the sea.

• had been - would have swum

• 'd been - would have swim

• 'd been - would've swum

• has been - would swim

Multiple Choice

If you _____ quickly, you _____.

• hadn't stopped - wouldn't crash

• hadn't stopped - wouldn't have crashed

• hadn't stopped - wouldn't have crash

• wouldn't have stopped - hadn't crashed

Multiple Choice

This never _____ if you _____ to me.

• would have happened - had listened

• wouldn't have happened - had listened

• would has happened - had listened

• had happened - would have listened

Multiple Select

I would have waited for her if I _____ she was coming.

• 'd known

• would know

• had known

• knew

Multiple Choice

I wouldn't have gone to the party if you _____ me to go.

• hadn't persuaded

• would persuade

• persuaded

• would have persuaded

Multiple Select

If my dad _____ time, he _____ with me.

• has had - would've played

• would have - had played

• had had - would have played

• 'd had - would've played

Further explanation

• https://www.engvid.com/learn-english-grammar-how-to-use-the-3rd-conditional/