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Conditionals

Zero conditional

this conditional is used to talk about things that are generally true

If or when+subject+verb+comp+consequence

if I exercise I will lose weight

First condicional

It is used to talk about things that may happen in the future

If or when+present simple+future tense

If I don't do my homework, my mom will probably challenge me

second condicional

is used to talk about impossible things

If+past simple+would+infinitive verb

If I win the lotery I would bought a car

Third conditional

it express the unrealistic consequence in the past

If+past perfect+would+have+pa.pa verb

If you had worked harder, you would have passed your exam.

it has not restriccions on the way sentences

Pat tense........consequence in present

Probability ..........consequence

I could be happy if I do exercise