To talk about things that are always true.

To talk about possibilities in the present or in the future.

Imaginary situations in the past.

Imaginary situations in the present or future.

if + present simple, ... will + infinitive

If + present simple, .... present simple.

If + past perfect + , + would + have + verb in past participle

If + past simple, would/wouldn’t + verb.

had got, would had been

had got , would have been

have got , would have be

had get , would have been

have study , have pass

had studies , have passed

have studied , had passed

had studied , have passed

be , go

been , gone

been, goes

be , goes

If I had taken an umbrella, I wouldn't have got wet.

If I had taken an umbrella, I wouldn't have get wet.

If I have taken an umbrella, I wouldn't have got wet

If I had taken an umbrella, I wouldn't had got wet.

seen , say

seen , said

see , said

see , say