Multiple choice

If he hadn't waved to me, I

  1. wouldn't see him.

  2. would see him.

  3. won't seen him.

  4. wouldn't have seen him.

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

This is a third conditional sentence. Since the 'if' clause is 'If he hadn't waved', the result clause must be 'wouldn't have seen'.