Complete the sentences. Use the correct form of the verbs in brackets.
1. If my brother ___ (leave) home, I ___ (have) his bedroom.
2. If I ___ (know) the answers, I ___ (tell) you.
3. Your parents ___ (be) angry if they ___ (know) what you've done.
4. If we ___ (not have) a TV, ___ you ___ (read) more books?
5. If you ___ (not eat) so much chocolate, you ___ (not be) overweight.