Grammar Reference

Verbs

Conditionals

First conditional is used to talk about a possible future condition and its result.

If (condition) + present simple + will (result) + verb
If it snows we'll go skiing.
it doesn't snow we won't

Second conditional is used to talk about an improbable or impossible condition and its result.

If (improbable condition) + past simple + would (result) + verb
If I lived in Rome I'd learn Italian quickly.
I didn't live in London

Third conditional is used to talk about an unreal situation in the past and to imagine the hypothetical results of this action. Both the condition and the result are now impossible.

If (unreal/impossible condition) + past perfect + would have (imagined result) + past participle
If we had had a race I'd have won.
I hadn’t had a bad leg