Quick Summary: Conditionals and One Tense Back

Conditionals and One Tense Back Summaries

Conditionals

·      0: No Condition. 

o   If I get a headache, I take aspirin.

·      1: Possible (or First). 

o   If I see Amil, I will tell him.

·      2: Improbable (or Second). 

o   If I had the money, I would buy a new car.

·      3: Impossible (or Third). 

o   If you had told me, I would have helped.

One Tense Back

·      Present --> Past

·      Present Perfect --> Past Perfect

·      Past --> Past Perfect

·      Will --> Would

·      Can --> Could

·      May --> Might

·      Should, Could, Would and Might do not change between the present and past

·      Must either stays as Must or changes to Had To