Conditionals with "if".

Conditionals with "if".

1. Third conditional

   • the used a past situation
     • formulation : IF + PAST PERFECT -------> WOULD HAVE DONE

2. Second conditional

   • when there is a low or zero probability that an action will occur
     • formulation= IF + PAST SIMPLE------> WOULD DO

3. First conditional

   • when there is a high probability that the action will occur
     • formulation : IF + PRESENT SIMPLE -----> FUTURE SIMPLE ( will do )

4. cinditional 0 (zero)

   • formulation : IF + PRESENT SIMPLE ------------> PRESENT SIMPLE
     • used when it is a fact

5. COMMON MISTAKES

   • THE USE OF WHEN
     • when the when is used instead of if the meaning of the sentence changes.
       • the sentence is not longer a condition