* Form (Công thức):
1. GERUND
- làm chủ ngữ
Ex: smokingis harmful
- sau giới từ: at, in, on, up, from, about, of, off, with, without, for, upon, …+ V-ing
Ex: she is good at singing
- sau một số động từ : Verb + V-ing
-
admit advise anticipate appreciate avoid complete consider delay
deny detest, discuss dislike enjoy , escape, excuse, fancy, finish forget can't help hope , imagine, involve, keep, mention mind miss postpone practice quit recall recollect recommend regret remember resent resist risk , save, stop suggest tolerate understand can’t bear can’t stand can’t face feel like
( sau một só động từ : stop,remember,involve,imagine,risk,discover,dislike,mind,waste,spend,catch, find, leave,...+ O + V-ing Eg: I caught him climbing the fence.
2. THE INFINITIVE WITH TO : ( TO V ) Ta duøng To-infinitive trong caùc tröôøng hôïp sau:
- Chæ muïc ñích vaø keát quaû. Ex: I went to the post office to buysome stamps
- Laøm chuû ngöõ vaø taân ngöõ. Ex: To get up early is not easy for me
- sau BE + V3 + TO V
- Sau Adj + TO V Ex: It’s harmful to smoke cigarettes.
- Sau caùc Question words: What, How, Where, Who, When, …
Ex: I don’t know how to speak English fluently.
- Sau FOR + O + To V , OF + O + To V Ex: It is very kind of you to help me.
- Sau moät soá ñoäng :(Verb + To V)
afford agree appear attempt arrange ask bear begin beg care cease choose continue claim
consent decide demand deserve determine desire expect fail fear hate forget hesitate hope intend learn long love manage mean need neglect offer omit plan prepare prefer prepare pretend promise propose efuse regret remember seem start struggle swear threaten volunteer wait want wish,
cease, come, strive, tend, use, ought
- Sau VERB + O + TO V
advise allow. ask beg cause challenge convince.
dare encourage. expect force hire instruct invite
need order permit persuade remind require teach
tell urge . want . warn wish, help refuse
EX: I allow you to go out
3. THE INFINITIVE WITHOUT TO (động từ nguyên mẫu khong TO)
- After: auxiliaries/ modal verb:
Can, Could, May, Might, Must, Mustn't, Needn't, Shall, Should, Will, Would,... + V(inf)
Ex: + He can run very fast..
- Sau : DO, DOES , DID
Ex: I don't know.
- after the following expressions: Had Better, Would Rather, Would Sooner, Why Not, Why Should We, Why Should We Not + V(inf)
Ex: + You had better clean up your room.
- Sau các động từ chỉ giác quan: Feel, Hear, Notice, See, Watch, ... + O + V(inf)
Ex:+ She feels the rain fall on her face.
- Sau LET + O + V(inf)
Ex: + Sandy let her child go out alone.
+ Mother let her daughter decide on her own.
- After MAKE + O + V(inf)
Ex: She made Peggy and Samantha clean the room.