Conditional

Conditional

1. General Truth (zero)

   • Used to express sth which is always true. We can also use when instead of if
   • If-clause Main clause If+present simple Present simple
   • If it rain,i don't go to school

2. Real/possible present

   • Used to express real or very probable situations in the present or future
   • If-Clause Main clause If+present simple Will verb
   • If she has money,she'll buy a car

3. Unreal present (second)

   • Used to express hypothetical situations which are contrary to the facts in the present, and therefore, are unlikely to happen in the present or future
   • If-clause Main clause If+past simple Would+verb or past continuous
   • If i did homework, i would get high score

4. Unreal past (third)

   • Used to express hypothetical situations which are contrary to the facts in the past. Also used to express regrets or criticism
   • If-clause Main Clause If+past perfect Would have+ participle
   • If I had studied hard, i would have passed the exam