decide, hope, learn, manage(打算), offer, prepare, agree, refuse, fail(未), pretend, happen(碰巧), promise, plan(打算，计划)
这种结构的常用动词有：find、think、consider、make等，基本句型是： v. + it + adj + to do
[例]Do you consider wise to ignore him
A. it is
B. it to be
C. it as being
[例]They don’t allow in the library, but they allow people in the restroom.
A. to smoketo smoke B. smokingsmoking C. to smokesmoking D. smokingto smoke
[例]The question tomorrow is whether income tax should be increased.
A. to be debated
[例]The boy’s father bought him a large toy train .
A. which to play with B. to play with it C. to play with D. at which to play
不定式完成时表示不定式动作发生在主句谓语动作之前，不定式被动语态表示不定式的逻辑主语是其动作的承受者，be soory、be glad、seem或say、find、hear、report等动词的被动语态后加不定式完成时态较为常见。
[例1]The new power station is reported within three years.
A. to have completed
B. to have been completed
C. having been completed
D. to complete
[例2]Mr. Johnson preferred heavier work to do.
A. to be given
B. to be giving C. to have given
D. having given
[例1]The police inspector spoke to the little girl kindlt her.
A. not to frighten
B. in order to not frighten
C. so as not to frighten
D. so not as to frighten
[例2]He moved away from his parents, and missed them_____ enjoy the exciting life in New York. A. too much to
B. enough to C. very much to
D. much so as to
miss, mind, enjoy, suggest, practise, persist, quit, admit, appreciate, deny, escape, complete, fulfil, acknowledge, favour, delay, postpone, finish, avoid, prevent, recall, recollect, risk, consider
b) 只能接动名词的一些常用句型\结构： It’s no good/use/fun (in) doing sth
There is no need/point/use/sense (in) doing sth. be busy/be worth doing sth.
have difficulty/trouble/problem (in) doing sth
spend/waste time (in) doing sth can’t help doing sth
confess to, object to, be opposed to, look forward to, contribute to, be used to, be devoted to, be dedicated to, lead to, refer to, equal to, stick to, belong to, thanks to, be accustomed to doing sth
① 接动词不定式和动名词作宾语而意义差别不大的动词：love, like, dislike, hate, begin, start, continue, intend, prefer, propose, etc.
③ need, want, require, deserve + 动名词/+不定式被动态，表被动意义。
The pencil needs sharpening.(to be sharpened)
[例1]Jean did not have time to go to the concert last night because she was busy for her examination.
A. to prepare
C. to be prepared
D. being prepared
[例2]I appreciate to your home.
A. to be invited
B. to have invited
C. having invited
D. being invited