Conditionals Structure

Zero Conditional:
If + Simple Present + Simple Present
Example: If I go to bed late, I feel tired.

First Conditional:
If+ Simple Present + Will/Won't
Example: If Christine doesn't hurry, she won't finish her work.

Second Conditional:
If + Simple Past + Would/Wouldn't
Example: My mother would drink a cup of coffee early in the morning if she had time.

Third Conditional:
If + Past Perfect + Would Have + Past Participle
Example: If Thomas had gone, he would have missed the movie.