Fill in each blank with “would have” or “wouldn’t have” and correct form of the verb.
1. If you hadn’t completed the form quickly, you (make) ___ any mistakes.
2. If I had come later, I (see) ___ her.
3. If they had known the timetable, they (miss) ___ the train.
4. If she had found this book, I (buy) ___ it.