Multiple choice

She'll be upset if

  1. he doesn't come home early.

  2. he came home early.

  3. he had come home early.

  4. he would have come home early.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is a first conditional sentence. The main clause is 'She'll be upset', so the 'if' clause must use the present simple.