Conditionals

Conditionals

1. Zero Conditional

   • Use
     • When the result is always "True"
     • A "Fact"
   • Examples
     • If you respect the planet, you recycle your rubbish.
     • If you don't drive a car, you probably don't use petrol.
   • Form
     • If + Present Simple, Present Simple

2. First Conditional

   • Examples
     • If we clean the oceans, the fish will live
     • Unless we plant more trees, the forests won't grow
   • Use
     • The result of "probable" situatins
   • Form
     • If + Present Simple, Would/Won't

3. Second Conditional

   • Form
     • If + Past Simple, Would/Wouldn't
   • Use
     • The result of "improbable" situations
   • Examples
     • If the North pole melted tomorrow, your city could be underwater
     • If you don't have a boat, you wouldn't like that

4. Third Conditional

   • Form
     • If + Subject + Past Perfect, Subject + Past Modal
   • Use
     • "Hypothetical" Past Situations
   • Examples
     • If he hadn't been late, he wouldn't have lost his job