Conditional clauses express a condition – something that must happen first so that something else can happen.
Test your understanding of conditional clauses with this grammar exercise.
Answers
1. If you had invited her, she could have gone with us.
2. If I had had the opportunity, I would have gone to university.
3. If I knew her number, I would call her.
4. If you take this medication, you will get well.
5. If you had sold your home then, you would have been rich now.
6. If you ate your breakfast, you would not be hungry now.
7. If you had married me, we both would have been happy.
8. If you spoke a foreign language, you could get a better job.
9. I could marry her if I wanted to.
10. If your computer crashes you will lose unsaved work.
11. If I am late, my father takes me to school.
12. If you behaved more politely, they might help you.

