. Open the brackets • 1. If the lesson (be) more interesting, I would pay attention. • 2. David (not laugh) if you told him this joke. 3. If he (finish) earlier, he will call me. • 4. If it (not rain) we would have had dinner outside, in the garden. • 5. I would have bought her-a card if | (know) it was her birthday. • 6. We (replace) your computer if there's something wrong with it. • 7. If he didn't like this job, he (do) something else. • 8. If I (have) a bigger house, I might have more pets. • 9. If I had made the reservations, I (book) a better hotel. 10. We will call you when he (come) back.

Here are the completed sentences: 1. If the lesson were more interesting, I would pay attention. 2. David would not laugh if you told him this joke. 3. If he finishes earlier, he will call me. 4. If it had not rained, we would have had dinner outside, in the garden. 5. I would have bought her a card if I had known it was her birthday. 6. We will replace your computer if there's something wrong with it. 7. If he didn't like this job, he would do something else. 8. If I had a bigger house, I might have more pets. 9. If I had made the reservations, I would have booked a better hotel. 10. We will call you when he comes back.