Conditionals

Type zero: If + Present Simple, Present Simple

Type 1: If + Present Simple, will/can/may/might + infinitive

Type 2: If + Past Simple, would/could/might + infinitive

Type 3: If + Past Perfect, would/could/might + have + past participle

Mixed conditional: we can combine third and second conditional or second and third conditional

Type zero: shows something real, general truths

Type 1: shows something possible in the present or future

Type 2: shows something impossible in the present or future

Type 3: shows something impossible, referring to actions which didn't happen in the past

Mixed conditional: its meaning depends on logic and context