Present Real Conditional

It is used to describe real conditions and results of it.

If the clause describes a true condition the result describes what always happens.

For habits or things that happen again everytime.

With modals it expresses a posibility that is always open.

Present Real Conditional

It can also be used in a imperative way to give orders and instruccions.

Both conditions and results can go at the beginning or the end.

The word "if" can be replaced by the word "when".

When the sentence begins with "if" we use a comma to separe condition and result.