1. bought
2. Having taken a shower, he went out with his dog.
3. She suggested having a year-end party the week after.
4. She apolozied to her son for not taking him to the zoo the Sunday after because she had to visit his aunt.
5. Mary said that If she catched the plane, she wou ld be home by five.
6. If she attended the meeting, she would know about change of the schedule.
7. If I hadn't lost the competition, I would have tried hard enough.
8. The suitcase was too heavy to carry.