Conditional Sentences (Conditional Clauses, If Clauses) are used to express that the action in the main clause can only take place if a certain condition is fulfilled.



The zero conditional describes situations that are always true. Example: If I go to school, I get up at seven. 


If-clause at the beginning:
If I study, I will pass the exam.

If-clause at the end:
I will pass the exam if I study.

Negative sentences:
If I study, I will not fail the exam.

More examples:

  • If we had money, we’d buy a bigger house.
  • If I were you, I wouldn’t do it.
  • If it rains, I’ll stay at home.
  • If you promise to do it, I’ll help you.
  • If she calls me, tell her to leave a message.
  • If John were here, he’d know to do.



I think it´s important to point out that the 3th conditional refers to the past whilst the 1st and 2nd deal with future.


It is important to know conditional sentences because we need them in everyday conversations.but sometimes it's difficult to underrstand 3rd conditional for my students and I make it easily way .
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