1. You don't need to play football with my best friends today.
- It + be (not) + necessary + to V = S + (not) need + to V.
2. You suggested visiting her parents next week?
- suggest V-ing: gợi ý làm gì.
3. - It takes Thanh 3 hours a day to do the homework.
- Thanh wastes 3 hours a day doing the homework.
- spend V-ing = It takes to V = wastes V-ing.
4. Hanh reminded him to close all the window and turn off the lights before going out.
- remind sb to do sth: nhắc ai làm gì.