0, 1st, 2nd, 3rd CONDITIONAL

FUNCTION:
Used for present and present simple facts and general true.

1st

FUNCTION:: Used to talk about possibilities in the present or the future.

EXAMPLE: If you answer all the questions, you win 1000.00$.

2nd

FUNCTION: Used to talk about hypotetical situations

EXAMPLE: If you study hard, you will pass your exams.

FORMS:
AFIRMATIVE: If you heath water, it boils.
NEGATIVE: If you don't drink water, you don't hydrate.
INTERROGATIVE: Do I hydrate If I drink water?

FORMS:
AFIRMATIVE: If I reveal her, she will be.
NEGATIVE: Check it, if you don't belive me.
INTERROGATIVE: What if I meet the one?

FORMS:
AFIRMATIVE: I would stay still if I were you.
NEGATIVE: I wouldn't smile yet, if I were you.
INTERROGATIVE: If I had studied, would I have passed the test?

EXAMPLE: If I had a milion dolars, I would travel the world.

3rd

FUNCTION:Regrets or events in the past that we cannot change.

FORMS:
AFIRMATIVE: If you had listened, you would have discovered.
NEGATIVE: If I hadn't eaten so much, I wouldn't have felt sick
INTERROGATIVE: Where would you have spent the night if you hadn't slept at home?

EXAMPLE: If my family had gone to London, we would have learned English faster.