1. We plan to raise funds for the poor and street children. (plan + to $V$, plan on + $V_{ing}$)

2. I’m thinking about participating in planting trees along the sidewalks. (think about + $V_{ing}$)

3. Take the report card to your parents and ask them to sign it. (ask + to $V$)

4. After after playing with his toys for about half an hour, the boy started to cry loudly. (after + $V_{ing}$, start + to $V$)

5. They hope to help a lot of homeless people. (hope + to $V_{ing}$$)

6. Can you help me to fix the lamp? (help + to $V$)

7. Have you finished cleaning the kitchen? (finish + $V_{ing}$)

8. Don’t forget to send me a postcard when you have arrived. (forget + to $V$)

9. Loan needs to improve her English grammar. (need + to $V$)

10. Why does Minh avoid meeting his old teacher? (avoid + $V_{ing}$)

1. We plan (raise) to raise funds for the poor and street children. (plan + to V)
2. I’m thinking about (participate) participating in planting trees along the sidewalks.
(giới từ + V-ing)
3. Take the report card to your parents and ask them (sign) to sign it. (ask + O + to V)
4. After (play) playing with his toys for about half an hour, the boy started (cry) to cry / crying loudly. (giới từ + V-ing) (start + to V / V-ing)
5. They hope (help) to help a lot of homeless people. (hope + to V)
6. Can you help me (fix) fix / to fix the lamp? (help + O + V1 / to V)
7. Have you finished (clean) cleaning the kitchen? (finish + V-ing)
8. Don’t forget (send) to send me a postcard when you have arrived.
(forget + to V: quên 1 nhiệm vụ (chưa làm))
9. Loan needs (improve) to improve her English grammar. (need + to V: nghĩa chủ động)

10. Why does Minh avoid (meet) meeting his old teacher? (avoid + V-ing)