There are three types of conditionals
If you send the letter today, he will receive it tomorrow
if + present, + will
This situation is probable, we expect it to happen as we say
If you won the lottery, what would you do?
I’d (=I would) buy a Ferrari!
If + past, + would
This situation is not very probable, it is a
We use the verb for the condition (the part with ‘if’) in the past:
If you went to America…
If he didn’t come…
If you could see her …
And the result is ‘would’ + infinitive verb:
… would you find a job?
… would he get into trouble?
… what would you say?
We can suggest things or give advice to someone by saying:
If I were you, I would…
We can use conditionals in the past to show that it was possible for something to happen, but didn’t.
Perhaps we regret that it didn’t happen!
– You didn’t win the lottery?
– What would you have doneif you had won the lottery?
– If I had won the lottery, I would have bought a Ferrari!
If + had + past participle would have + past participle
If you had seen him would you have spoken to him?
If I had known I wouldn’t have come.
If I had been there I would have told her.