Zero conditional - We use zero conditional to talk about things and conditions which are always true, like a scientific fact, First conditional - It is used to talk about possibilities that concern the present or the future. It refers to conditions which can actually take place., Second conditional - It is used to talk about present and future events and conditions which are improbable to come true, Third conditional - It is used to talk about past events and conditions which can no more take place or which are to be considered impossible,

Conditional

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