IF CLAUSE/CONDITIONAL CLAUSE

1. Present Real

If + S + V1, S + will/can/may + V1

Example:

If she comes, I will go with her. (Probably she comes)

2. Present Unreal

If + S + V2, S + would/could/might + V1

Example:

If she came, I would go with her.  (She doesn’t come, so I will not go with her.)

3. Past Unreal

If + S + had + V3, S + would have/could have/might have + V3

                Example:

                If she had studied English, she could have got a good career in her job. 

                (She didn’t study English, so she could not get a good career in her job.)