不定式
1．單個不定式結(jié)構(gòu)作主語，謂語用單數(shù)的形式，但是并列的不定式結(jié)構(gòu)作主語時，謂語應該用復數(shù)，如：
To go to school(主語)is his dream．上學是他的夢想。
To go to school and to stay away from his cruel father(并列主語)ale were what he expected-他期望能去上學，遠離他殘忍的父親。
2．跟在名詞后面作定語，如：http://ks.examda.com
the ability to operate the machine操作機器的能力the first(second...1ast)people to speak第一個(第2個，…最后一個)發(fā)育的人
3．跟在be動詞的后面作表語，如：
What 1 want to do is to have a sightseeing(表語)around Be．jing．我想做的是在北京觀光旅行。
4．跟在及物動詞的后面作其賓語
I enjoy talking to you．(賓語)能和你談話我真高興。
They dont permit smoking(賓語)in the public places．他們不允許在公眾場合吸煙。
5．對賓語的性質(zhì)，特征等進行補充說明，作賓語補足語，如：
We have persuaded him to accept our proposal．一(賓語補足語)我們已經(jīng)說服他接受了我們的建議。
在使役動詞和感官動詞的后面常帶不to的不定式結(jié)構(gòu)作賓語補足語：
have(let/make/feel/hear/watch/see/observe)sb．do sthhelp sb．do sth．
6．作狀語。不定式結(jié)構(gòu)在句子中通常充當結(jié)果狀語和目的狀語。如：
He spent much time on his studies to be a top student．一(目的狀語)為了成為班上的優(yōu)等生，他在學習上花了很多的時間He came there to find his friends had left．(結(jié)果狀語)他到了那里結(jié)果發(fā)現(xiàn)他的朋友已經(jīng)走了。
7．作為主語補足語，補充說明主語的性質(zhì)，特征等，如：
He is supposed to come here(主語補足語)tomorrow．他應該明天到這里。
He is said to have great talent for art．(主語補足語)據(jù)說他在藝術(shù)方面很有才華。
8．常接不定式作賓語的動詞：
agree，afford，aim，arrange，appear，ask，attempt，choose，claim，decide，desire，determine．expect，fail，guarantee，hope，endeavor，intend，long，mean，manage，offer，，plan，pledge，pretend，promise，proceed，prove，resolve，refuse，request，swear，tend，try，wait，wish
9．不定式的習慣用法：來源：www.examda.com
句型：cannot choose but docanl help but
can do nothing but do have no choice/alternative but to do
might as wellwould rather
難點解析
1．接不定式或動名詞在意思上有區(qū)別的動詞：
fmean to do想要(做某事)propose to do打算(做某事)
mean doing意味(做某事)propose doing建議(做某事)
fforget to do忘記(要做的事)remember to do記得(要做某事)
forget doing忘記(已做的事)remember doing記得(已做過的事)
regret to do(對將要做的事)遺憾go on to do繼而(做另一件事)
regret doing(對已做過的事)后悔go on doing繼續(xù)(做原來的事)
fstop to do停下來去做另一件事
stop doing停止正在做的事來源：www.examda.com
2．下列動詞短語中的to是介詞，后面應接動名詞或名詞：
object to，resort to，react to，contribute to，look forward to，be accustomed to，be committed to．be ex．
posed to，be subjected to，be devoted to，be dedicated to，be opposed to，be reconciled to．be contrary to
1．單個不定式結(jié)構(gòu)作主語，謂語用單數(shù)的形式，但是并列的不定式結(jié)構(gòu)作主語時，謂語應該用復數(shù)，如：
To go to school(主語)is his dream．上學是他的夢想。
To go to school and to stay away from his cruel father(并列主語)ale were what he expected-他期望能去上學，遠離他殘忍的父親。
2．跟在名詞后面作定語，如：http://ks.examda.com
the ability to operate the machine操作機器的能力the first(second...1ast)people to speak第一個(第2個，…最后一個)發(fā)育的人
3．跟在be動詞的后面作表語，如：
What 1 want to do is to have a sightseeing(表語)around Be．jing．我想做的是在北京觀光旅行。
4．跟在及物動詞的后面作其賓語
I enjoy talking to you．(賓語)能和你談話我真高興。
They dont permit smoking(賓語)in the public places．他們不允許在公眾場合吸煙。
5．對賓語的性質(zhì)，特征等進行補充說明，作賓語補足語，如：
We have persuaded him to accept our proposal．一(賓語補足語)我們已經(jīng)說服他接受了我們的建議。
在使役動詞和感官動詞的后面常帶不to的不定式結(jié)構(gòu)作賓語補足語：
have(let/make/feel/hear/watch/see/observe)sb．do sthhelp sb．do sth．
6．作狀語。不定式結(jié)構(gòu)在句子中通常充當結(jié)果狀語和目的狀語。如：
He spent much time on his studies to be a top student．一(目的狀語)為了成為班上的優(yōu)等生，他在學習上花了很多的時間He came there to find his friends had left．(結(jié)果狀語)他到了那里結(jié)果發(fā)現(xiàn)他的朋友已經(jīng)走了。
7．作為主語補足語，補充說明主語的性質(zhì)，特征等，如：
He is supposed to come here(主語補足語)tomorrow．他應該明天到這里。
He is said to have great talent for art．(主語補足語)據(jù)說他在藝術(shù)方面很有才華。
8．常接不定式作賓語的動詞：
agree，afford，aim，arrange，appear，ask，attempt，choose，claim，decide，desire，determine．expect，fail，guarantee，hope，endeavor，intend，long，mean，manage，offer，，plan，pledge，pretend，promise，proceed，prove，resolve，refuse，request，swear，tend，try，wait，wish
9．不定式的習慣用法：來源：www.examda.com
句型：cannot choose but docanl help but
can do nothing but do have no choice/alternative but to do
might as wellwould rather
難點解析
1．接不定式或動名詞在意思上有區(qū)別的動詞：
fmean to do想要(做某事)propose to do打算(做某事)
mean doing意味(做某事)propose doing建議(做某事)
fforget to do忘記(要做的事)remember to do記得(要做某事)
forget doing忘記(已做的事)remember doing記得(已做過的事)
regret to do(對將要做的事)遺憾go on to do繼而(做另一件事)
regret doing(對已做過的事)后悔go on doing繼續(xù)(做原來的事)
fstop to do停下來去做另一件事
stop doing停止正在做的事來源：www.examda.com
2．下列動詞短語中的to是介詞，后面應接動名詞或名詞：
object to，resort to，react to，contribute to，look forward to，be accustomed to，be committed to．be ex．
posed to，be subjected to，be devoted to，be dedicated to，be opposed to，be reconciled to．be contrary to