If clauses

If clauses

1. Uses

   • When you talk hypothetically about the past, you talk about things that didn't happen, but were possible.

2. structure

   • If + past perfect + past modal would have + past participle
     • negative
       • If + past perfect in negative + past modal would not have + past participle
   • If + past perfect + past modal could have + past participle
     • negative
       • If + past perfect in negative + past modal could not have + past participle
   • If + past perfect + past modal might have + past participle
     • negative
       • If + past perfect in negative + past modal might not have + past participle

3. Example

   • negative
     • If he hadn't won the talent contest, he might not have had the confidence to become a singer.
   • positive
     • If Pedro had stayed in school, he would have done something different

4. Questions

   • structure
     • Question word+past modal ( with subject)+ if+subject+past perfect
   • example
     • What would have happend if he had stayed at school?