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The Zero Conditional

Situations that are always true if something happens.


  • If + present simple, present simple.
  • Present simple, if + present simple.


  • If I am late, my father takes me to school.
  • She doesn’t worry if Jack stays out after school.


The First Conditional    

These situations take place if a certain condition is met.


  • If present simple. will + base verb (+ complement).


  • If it rains, we will stay at home.
  • He will arrive late unless he hurries up.
  • Peter will buy a new car, if he gets his raise.


The Second Conditional

This conditional provides an imaginary result for a given situation.


  • If past simple, would + verb.
  • Would + verb if past simple.


  • If he studied more, he would pass the exam.
  • I would lower taxes if I were the President.
  • They would buy a new house if they had more money.


The Third Conditional

Used to express a hypothetical result to a past given situation.


  • If past perfect, would + have + past participle.
  • Would + have + past participle if past perfect.


  • If he had known that, he would have decided differently.
  • Jane would have found a new job if she had stayed in Boston

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