1、非限定动词作主语、宾语和表语一、动词的非限定形式(即非谓语形式)作主语观察例句1Knowing basic firstaid techniques will help you respond quickly to emergencies.2It is no use complaining without taking action.3To climb the mountain is hard work but to go down the mountain is great fun.4It is not easy to find your way around the town.归纳用法1in
2、g形式作主语表示一般的、抽象的、泛指的概念，常用it作形式主语。常用于固定句型：Its a waste of time doing.；Its no use/good doing.；It is useless doing.；There is no.等中。2不定式作主语，一般表示具体某一次的动作。常用 it作形式主语。3it作形式主语时，不定式或ing形式是真正的主语，放在句子后部，以使句子保持平衡。即学即练1单句语法填空His coming(come)late made the teacher very angry.It is no use crying(cry)over spilt milk.
3、To see(see)is to believe.It is important to respect(respect)people.二、动词的非限定形式作宾语观察例句1My English teacher promised to lend some books to me.2We only missed seeing each other by five minutes.3Do you mind being interrupted while studying?4My mother couldnt help smiling when she heard the good news.归纳用法1
4、下列动词后只能用不定式作宾语，请牢记下面的口诀：决心学会想希望，拒绝设法愿假装。主动答应选计划，同意请求帮一帮。decide/determine，learn，want，expect/hope/wish; refuse，manage，care，pretend; offer，promise，choose，plan；agree，ask/beg，help，afford，strive，happen，wait，threaten等2下列动词或动词短语后只能用ing形式作宾语，请牢记下面的口诀：考虑建议盼原谅，承认推迟没得想。避免错过继续练，否认完成就欣赏。禁止想象才冒险，不禁介意准逃亡。consider，s
5、uggest/advise，look forward to，excuse/pardon; admit，delay/put off，fancy(想象，设想); avoid，miss，keep/keep on，practice; deny，finish，enjoy/appreciate; forbid，imagine，risk; cant help，mind，allow/permit，escape此外，下列动词短语后也要用ing形式作宾语：be used/accustomed to，lead to，devote to，go back to，stick to，object to，get down t
6、o，pay attention to，cant stand (无法忍受)，give up，feel like，insist on，thank.for，apologize for，be busy (in)，have difficulty/trouble (in)，have a good/wonderful/hard time (in)，spend time (in)，look forward to3下列动词或动词短语后既可以用ing形式作宾语，也可以用不定式作宾语，但意义上有区别，要特别注意：后接不定式后接动名词regret to do sth.遗憾要去做某事regret doing sth.后
7、悔做过某事forget to do sth.忘记要去做某事forget doing sth.忘记已做过某事remember to do sth.记得要去做某事remember doing sth.记得做过某事mean to do sth.打算做某事mean doing sth.意味着做某事try to do sth.努力/企图去做某事try doing sth.试着做某事cant help (to)do sth.不能帮助做某事cant help doing sth.情不自禁地做某事I had meant to give you this book today，but I forgot.我本来打
8、算今天给你这本书的，可是我忘了。Missing this train means waiting for another hour.错过这辆火车意味着再等一小时。即学即练2单句语法填空David refused to accept(accept)my invitation.I had great difficulty finding(find)the suitable food on the menu in that restaurant.Bill suggested holding(hold)a meeting on what to do for the Expo during the va
9、cation.三、动词的非限定形式作表语 观察例句1His wish is to be a doctor in the future.2My job is to clean the rooms every day.3Our task is playing all kinds of music.4My job is teaching.归纳用法1不定式作表语常用来表示预计要发生的动作，也可用来表示未来的可能性和假设；但当不定式所作的表语仅用来说明主语的内容时，这时的不定式只作单纯的表语，而不具有未来的含义。2ing形式作表语多指抽象的、概念性的动作，句子主语常是表示无生命的名词或what引导的名词
10、性从句。即学即练3单句语法填空The queens work is laying(lay)eggs.The purpose of education is to develop(develop)a fine personality in children.The next step is to make(make)sure that you know exactly what is required.His ambition is to go(go)Harvard University.单句语法填空1Being surrounded(surround)by beautiful green mo
11、untains and located at the foot of Mount Lu makes it a famous tourist attraction.2They never quit looking(look)for a way to get where they are supposed to go!3The clubs in Argentina couldnt help him，but the famous Barcelona club in Spain offered to accept(accept)Messi on the junior team and pay for
12、the bills.4Scientists have discovered that staying(stay)in the cold could help us lose weight.5Its never foolish to acknowledge(acknowledge)you are wrong.Being humans，we all need the art of apology.6Firstly，you should consider dividing(divide)them into different groups who are the people you dont kn
13、ow well but see pretty much daily.7He appreciated being given(give)a chance to make a presentation in the annual seminar on Comparative Literature.8A great deal is yet to do(do).9It would be wrong for people to marry(marry)for money.10He hopes to create(create)an environment for his students that is
14、 much more relaxing than the one he used to study in.完成句子1He seems to be reading in his room.看起来他正在他的房间里面读书。2To finish the work in ten minutes is very hard.十分钟之内完成这项工作是很难的。3Marx found it important to study the situation in Russia.马克思发现研究俄国的情况是很重要的。4He came to the party without being invited他未被邀请就来参加
15、晚会了。5Reading aloud is very helpful.大声朗读是很有好处的。.语法填空There is a wonderful story about a young girl who had no family and no one 1.to love(love)her.One day，2.feeling(feel)very sad and lonely，she was walking through a grassland when she noticed a small butterfly 3.caught(catch)in a thorny bush.The young
16、 girl carefully released the butterfly.Instead of 4.flying(fly)away，the little butterfly changed into a beautiful fairy.“In return for your wonderful kindness，”the good fairy said to the girl，“I will give you any wish that you would like 5.to get(get).”The little girl thought for a moment and then r
17、eplied，“I want to be happy.”6Leaning(lean)toward her，the fairy whispered in her ear and then disappeared.With the little girl 7.growing(grow)up，there was no one in the land happier than she was.Everyone wanted to make themselves 8.told(tell)the secret of happiness by her.She would only smile and ans
18、wer，“The secret of my happiness is that I listened to a good fairy when I was a little girl.”When she was dying，the neighbors all gathered around her，9.fearing(fear)that her unbelievable secret of happiness would die with her.So they begged her 10.to tell(tell)them what the good fairy said.The lovely old woman simply smiled and said，“She told me that everyone，no matter how old or young，how rich or poor，had need of me.”