1. lan's teacher wants her __to spend__ (spend) more time on math
2. I promise I ___will try___ (try) my best next semeter
3. linh needs ___to improve___ (improve) her english writing
4. They didn't try (learn) ......to learn............ all new words they (come) ........came......... across

5. You should (underline) .......underline.........the words you want (learn) .......to learn..

6. Can you help me __move__ (move) this table ?
7. Nam always ___gets___ (get) grade A for Physiscs, but last semeter he __got__ (get) B. So Nam teacher asked him ___to study___ (study) harder this semester
8. They were proud of __being__ (be) so successful
9. He asked me __not to wait__ (not wait) for him
10. You should __practice__ practice your english more often

1. to spend (want + O + to V)

2. will try (vì có promise)

3. to improve (need + to)

4thì quá khứ đơn

5(Should + V (nguyên mẫu)  

6Can/ Can’t + chủ ngữ + động từ dạng nguyên thể?

7thì hiện tại đơn

8 thì quá khứ đơn

9S + asked+ sb + (not) + to V-inf

10 thì hiện tại đơn