Dưới đây là các câu đã được rút gọn mệnh đề phụ:

1. I exercise regularly **to improve** my mental health.
2. She goes to the clinic **when** needed.
3. We avoid the city **out of fear** of the exhaust fumes.
4. The farmer plants seeds **after preparing** the agricultural fields.
5. She completed her vocational training **before starting** her job.
6. **Despite losing** his job, he kept looking for work due to unemployment.
7. He studies hard **when learning** about economic principles.
8. We distribute food to the needy **after collecting** donations.
9. She donates money to the poor **to support** charity.
10. She learns how to recycle plastic products **out of concern** for global warming.
11. They moved to a new area **to escape** overpopulation.
12. She attends workshops **after finishing** her vocational training.

Mong rằng các câu đã rút gọn này sẽ giúp bạn!