- Sau giới từ: in, on, at, from, to, about …
- Sau các liên từ: after, before, when, while, since,…
Ex: You should lock the door when leaving your room.
- S + spend / waste + time / money + V-ing
Ex: I spent thirty minutes doing this exercise.
III. INFINITIVE OR GERUND
1. Without changing in meaning:
- begin / start / continue/ like / love + To-inf / V-ing
Ex: It started to rain / raining.
2. Changing in meaning:
+ remember / forget / regret + V-ing: nhớ / quên/ nuối tiếc việc đã xảy ra rồi (trong quá khứ)
+ remember / forget / regret + to-inf: nhớ / quên/ nuối tiếc việc chưa, sắp xảy ra (trong tương lai)
Ex: Don’t forget to turn off the light when you go to bed.
I remember meeting you some where but I can’t know your name.
Remember to send her some flowers because today is her birthday.
+ stop + V-ing: dừng hẳn việc gì
+ stop + to-inf: dừng ….. để …
Ex: He stopped smoking because it is harmful for his health.
On the way home, I stopped at the post office to buy a newspaper.
+ try + V-ing: thử
+ try + to-inf: cố gắng
+ need + V-ing = need + to be + V3: cần được (passive)
+ need + to-inf: cần (active)
Ex: I need to wash my car.
My car is very dirty. It needs washing / to be washed.
+ Causative forms:
S + have + O người + V + O vật ...
S + have + O vật + V3 + (by + O người) ...
S + get + O người + to-inf + O vật
S + get + O vật + V3 + (by + O người)
EXERCISES
PART A: CORRECT VERB FORMS
1. When will you finish (repair) _____________ my car?
2. Don’t forget (do) _______________ your homework.
3. Would you mind (buy) ____________ me a newspaper?
4. I’m interested in (play) ______________computer games.
5. My father likes (read) ___________ newspapers before going to work.
6. My grandfather is used to (get) _____________ up early in the morning.
7. They are looking forward to our (visit) _______________them.
8. He used to fall asleep without (take) ___________ his shoes off.
9. My watch keeps (stop) ___________.
10. I remember (meet) ____________ you somewhere last month.
11. Why do you decide (choose) _____________this book?
12. Would you like (come) _____________to my party?
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