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1、倍夺分英语教育非谓语动词非谓语动词包括：不定式、分词和动名词。不定式：to doto do the homeworkto play happilyto eat a red appleto make it easier1、不定式的否定形式：not to doThe teacher told us to study hard.老师让我们努力学习。The teacher told us not to play computer games.老师告诉我们不要玩电脑游戏。2、不带to的不定式：(to) do3、不定式在句子中充当的成分1.作主语不定式相当于名词To learn a foreign lan
2、guage is important.学习一门外语很重要。2.作宾语不定式相当于名词The boy wants to go to school这个男孩想要上学。3.作表语不定式相当于名词My hobby is to collect stamps.我的爱好是集邮。4.作定语不定式相当于形容词I have quite a lot of homework to do.我有很多作业要做。5.作状语不定式相当于副词He came here to see his father.（目的状语）他来这里是为了看望他的父亲。6.作宾补Lucy asked him to turn down the radio.露西
3、让他把收音机的声音调小些。4、 “不带to的不定式”的固定搭配使役动词let sb do sth make sb do sthhave sb do sth让/使某人做某事Let her go.让她走。感官动词see sb do sthhear sb do sthnotice sb do sth看到/听到/注意到某人做了某事I heard her cry last night.昨晚，我听到她哭了。help sb do sth=help sb to do sth帮助某人做某事注意：当以上动词（除let，let一般不用于被动语态）变为被动语态时,不定式必须加上to。即：be made to do，b
4、e seen to do，be heard to do如: He was seen to repair the machine. 他被看到把机器修理了。习惯用法Youd better (not) do sth=You had betterwould rather do sth than do sth=prefer to do sth rather than do sth宁愿也不愿Why not do sth? 为什么不呢？=Why dont you do sth? could do nothing but do sth只能Youd better ask the teacher.你最好问一下老师
5、。I would rather stay at home than go to a movie.=I prefer to stay at home rather than go to a movie.我宁愿待在家里也不愿去看电影。Why not go there with me?为什么不和我一起去那儿呢？=Why dont you go there with me?It is raining heavily. I could do nothing but stay at home.雨下得很大。我只能待在家里。4、后接不定式的动词want to do sth想要做某事learn to do st
6、h学习做某事decide to do sth决定做某事wish to do sth祝愿做某事hope to do sth希望做某事choose to do sth选择做某事manage to do sth设法做某事agree to do sth同意做某事promise to do sth答应做某事refuse to do sth拒绝做某事fail to do sth未能做某事plan to do sth计划做某事would like to do sth想要做某事 start to do sth=start doing sth开始做某事不定式表示具体一次动作；动名词表示一般行为。 begin t
7、o do sth=begin doing sth开始做某事like to do sthlike doing sth喜欢做某事prefer to do sth prefer doing sth更喜欢做某事 love to do sth= love doing sth喜爱做某事 hate to do sth = hate doing sth憎恨、讨厌做某事forget/remember to do sthforget/remember doing sth忘记/记得去做某事忘记/记得做过某事stop to do sth stop doing sth停下来去做某事停止做某事go on to do st
8、h go on doing sth 继续去做另一件事继续做某事try to do sth try doing sth尽力做某事尝试做某事5、可用不定式作宾补（ “动词+宾语+不定式”）的常见动词want sb (not) to do想要某人（不要）做某事tell sb (not) to do告诉某人（不要）做某事teach sb (not) to do教育某人（不要）做某事enable sb (not) to do使某人能够（不要）做某事allow sb (not) to do允许某人（不要）做某事advise sb (not) to do建议某人（不要）做某事persuade sb (not
9、) to do劝告某人（不要）做某事encourage sb (not) to do鼓励某人（不要）做某事permit sb (not) to do允许某人（不要）做某事order sb (not) to do命令某人（不要）做某事invite sb (not) to do邀请某人（不要）做某事cause sb (not) to do导致某人（不要）做某事warn sb (not) to do警告某人（不要）做某事6、it作形式主语和形式宾语，代替不定式It is important to learn a foreign language.学习一门外语很重要。Its necessary for
10、 the students to do eye exercises twice a day.学生们一天做两次眼保健操是必要的。Its kind of you to help me.你帮了我，你太好了。“It + be + 形容词 + （for/of sb） + to do sth”It作形式主语，不定式作真正主语，for/of sb是不定式的逻辑主语注：当形容词是careful, clever, kind, nice, good, right, wrong等时，用of sb。 当形容词difficult, hard, easy, dangerous, important等时，用for sb。I
11、t takes him a quarter to cut the hair. = It takes a quarter for him to cut the hair.他剪头发花了一刻钟。It + take + sb + 一段时间 + to do sth =It + take + 一段时间 + for sb + to do sth表示“某人做某事花费了多长时间”It作形式主语，不定式作真正主语，sb或for sb是不定式的逻辑主语。Its a good idea to go swimming after school.放学后去有用，是个不错的想法。Its about half an hours
12、 walk to get here from the hospital.从医院到这儿，大约要走半个小时。It + be + 名词 + to do sthIt作形式主语，不定式作真正主语。I found it very important to learn English well.我发现学好英语很难。find/ make/ think/ believe + it + 形容词 + 不定式it作形式宾语，不定式作真正宾语find it + adj. + to do sth 发现做某事make it + adj. + to do sth 使得做某事think it + adj. + to do st
13、h 认为做某事believe it + adj. + to do sth 相信做某事7、不定式作后置定语John Smith is the only person to know the secret. 约翰史密斯是唯一知道那个秘密的人。The director is always the last one to leave. 导演总是最后一个离开的人。Please give me something to eat.请给我写吃的。He is looking for a room to live in.他正在找一个住的地方。（live in a room正）He is looking for a
14、 room to live. 他正在找一个住的地方。（live a room误）不定式作定语，需后置；不定式与它所修饰的名词之间有动宾关系时，不及物动词要加上一定的介词。8、“疑问词+不定式”作主语When to start is still a problem.何时出发仍然是个问题。作宾语I dont know what to say.我不知道说什么。作表语Our problem is how to save water.我们的问题是如何节水。疑问代词who, what, which和疑问副词when, where, how, why与不定式连用（疑问代词和疑问副词在不定式中充当宾语、状语等成分），“疑问词+不定式”结构相当于名词，可以作句子中的主语、宾语、表语等。I dont know what to do.我不知道该做什么。I will tell him how to make it.我将告诉他怎么制作它。当不定式有宾语时用疑问副词how，无宾语时用疑问代词what。“疑问词+不定式”作宾语，可以和宾语从句相互转换。He didnt know when he should go.他不知道他应该何时走。= He didnt know when to g
