Conditional (type zero): if + Presen simple ---> Present simple

- to talk about general truths or things that always happen.

- para expresar lo que siemre es verdad, principios o hechos naturales

. If you mix red and white, you get pink

. If you freeze water, it turns into ice

. If I work too much, I get tired

Conditional (type 1): if + Presen simple ---> will

- to predict the result of an action in the future

- it refers to future real situations

- expresa situaciones POSIBLES y reales que es probable que sucedan en el presente o en el futuro.

. If he comes late, we won't go out.

. If I drinks coffee tonight, I won't sleep well

Conditional (type 2): if + Past simple ---> would

- it refers to present or future unreal or imaginary situations

- to give some advice

- expresa situaciones IMPROBABLES. También para dar consejo.

. If I drank coffee tonight, I wouldn't sleep well

. If I were you, I would speak to him

Conditional (type 3): if + Past perfect ---> would have had

- it refers to the past (unreal, imaginary situations)

- expresa situaciones IMPOSIBLES

. If I had drunk coffee last night, I wouldn't have slept well.