Conditional Type 1
|(condition) + (action that is possible in the future).
|If + present simple, will future.
Will future + if + present simple.
|If you ask me, I will help you.
If he doesn't call me, we won't go out.
My father will be angry if we come back home late.
If I catch the bus, I will be home early.
Conditional Type 2
|(condition) + (an action that is not likely to happen in the future ).|
|If + simple past , would + first form.
Would + first form + if + simple past.
|If you asked me, I would help you.
If John didn't be shy, he would kiss Susan.
If I won a lot of money, I would buy my own house.
If she learned, she would pass the test.
Conditional Type 3
|(condition) + (action that is not possible in the future anymore).|
|If + past perfect, would have + third form.
Would have + third form + if + past perfect.
|If you had asked me, I would have helped you.
If I had asked him yesterday, he wouldn't have forgotten it.
I would have informed the police if you hadn't brought my bike back.