Easy English grammar learning;
If…… = Then…..
Results depend on condition
It is about real and possible things happening.
About the future.
It is about impossible things happening or unreal things.
About the present.
About the past.
It is about real and true things happening, like facts for example.
First cond = ‘if+present’ – ‘will’.
Example; ‘If it rains, I will get wet.’
Second cond= ‘if+past’ – ‘would’.
Example; ‘If he came, I would explain to him.’
Third cond = if+past perfect’ – ‘would have’.
Example; ‘If you had taken your medicine, you would have a healthy body.’
The ‘if’ clause is the conditional clause. The other is the main clause or the result, (will, would, would have).