SECOND CONDITIONAL
Form If +simple past + would + infinitive
Uses
Examples
If I won an Olympic gold medal,I would be very happy.
Notes
We often use were instead of was after if I ...or if he/she/it...,especially in a more formal style.
Example
If I weren't busy,I would go.
We can use the modal verbs might or could of would in the main clause.
Examples
I could do this exercise if you gave me the answer key!
If he were in trouble, I might help him.