TO-INFINITIVE- SAU CÁC ĐỘNG TỪ

1. To-infinitive

- Sau các động từ:

Agre , appear, afford, ask, demand, expect, hesitate, intend, invite,

want, wish, hope, promise, decide, tell, refuse, learn, fail (thất bại), plan, manage,

pretend (giả vờ), remind, persuade, encourage, force, order, urge (thúc giục), seem,

tend, threaten,…

- Trong các cấu trúc:

+

It takes / took + O + thời gian + to-inf

+ chỉ mục đích (để)

+ sau các từ hỏi: what, where, when, how, …

+

It + be + adj + to-inf:

thật … để ..

Ex: It is interesting

to study

English

+

S + be + adj + to-inf

Ex: I’m happy

to receive

your latter.

+ S + V + too + adj / adv + to-inf

+ S + V + adj / adv + enough + to-inf

+ S + find / think / believe + it + adj + to-inf

Ex: I find it difficult

to learn

English vocabulary.

- Sau các từ nghi vấn: what, who, which, when, where, how ,…

(nhưng thường không

dùng sau why)

Ex: I don’t know what

to say.

* Note:

- allow / permit/ advise / recommend + O + to-inf

She

allowed me to use

her

pen.

- allow / permit / advise / recommend + V-ing

She didn’t

allow smoking

in

her room.