正道英语辅导之不定词

正道 英 语 辅 导 之 不定词正道段中华中级语法正道英语Part 1Part 1 不定词的功能To buy things in a flea market must be fun.To buy things in a flea market must be fun.在跳蚤市场买东西一定很好玩。在跳蚤市场买东西一定很好玩。I have a lot of things to buy.I have a lot of things to buy.我有很多东西要买。我有很多东西要买。I went there to buy notebooks.I went there to buy notebooks.我去那儿买笔记本。我去那儿买笔记本。to+to+动词原形动词原形不定词（不定词（to+to+动词原形），其身份不再是动词，它在句中扮演名词、形容词、副词的功能。动词原形），其身份不再是动词，它在句中扮演名词、形容词、副词的功能。1.1.名词用法：作主语、宾语、表语名词用法：作主语、宾语、表语2.2.形容词用法：修饰名词形容词用法：修饰名词3.3.副词用法：表目的、原因等副词用法：表目的、原因等正道英语Part 1Part 1 不定词的功能不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当主语不定词当主语主主语语动词动词The workThe workTo travel around the worldTo travel around the worldis isis isfun.fun.fun.fun.正道英语Part 1Part 1 不定词的功能1.To answer this question is difficult for me.1.To answer this question is difficult for me.对对我而言，回答我而言，回答这个问题这个问题是困是困难难的。的。不定不定词词放在句首放在句首当当主主语时语时，视为视为一件事，其后一件事，其后须须接接单数动词单数动词。2.To solve pollution problems is difficult for people in China.2.To solve pollution problems is difficult for people in China.=It is difficult for people in China to solve pollution problems.=It is difficult for people in China to solve pollution problems.对对中中国国民民众众而言，要解而言，要解决污决污染染问题问题是困是困难难的。的。不定不定词为词为首的主首的主语语，可用，可用it(it(假主假主语语)代替，再代替，再将将此事件放置在后此事件放置在后说说明。明。不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法例：例：不定词当主语不定词当主语正道英语Part 1Part 1 不定词的功能3.To be patient with others is best for you.3.To be patient with others is best for you.=It is best for you to be patient with others.=It is best for you to be patient with others.你对别你对别人有耐心是最好的。人有耐心是最好的。4.To learn English well is necessary.4.To learn English well is necessary.学学好英好英语语是有必要的。是有必要的。不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法例：例：不定词当主语不定词当主语正道英语Part 1Part 1 不定词的功能Its+Its+形容形容词词（修（修饰饰事物）事物）+for+for+人人+to+to+动词动词原形原形.Its+Its+形容形容词词（修（修饰饰人）人）+of+of+人人+to+to+动词动词原形原形.修修饰饰“人人”的形容的形容词词：good,nice,kind,brave,clever,careless,smart,honest,good,nice,kind,brave,clever,careless,smart,honest,bad,stupid,silly,selfish,polite,impolite,modest.bad,stupid,silly,selfish,polite,impolite,modest.例：例：Its kind of you to help me.Its kind of you to help me.你真你真好好帮帮我的忙。我的忙。Its stupid of him to speak ill of others.Its stupid of him to speak ill of others.他他说别说别人坏人坏话话是愚蠢的。是愚蠢的。不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法句型：句型：不定词当主语不定词当主语正道英语Part 1Part 1 不定词的功能不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当宾语不定词当宾语主主语语动词动词I II Ilikelikelikelikefootball.football.to play football.to play football.正道英语Part 1Part 1 不定词的功能1.I decided to buy a dog.1.I decided to buy a dog.我我决决定了定了买买只狗。只狗。2.He hoped to be there on time.2.He hoped to be there on time.他希望准他希望准时时到那里。到那里。有些有些动词动词必必须须用不定用不定词词作作宾语宾语：want,decide,hope,expect,volunteer.want,decide,hope,expect,volunteer.3.I want(would like)to see a movie this week.3.I want(would like)to see a movie this week.我想要本周看我想要本周看场电场电影。影。4.You neednt go if you dont want to.4.You neednt go if you dont want to.你你不不许许要去，如果要去，如果你你不想去的不想去的话话。toto后面的后面的动词动词和前面的相同和前面的相同时时，则动词则动词可省略。可省略。不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法例：例：不定词当宾语不定词当宾语正道英语Part 1Part 1 不定词的功能不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当补（表）语：不定词当补（表）语：当主语补语，放在当主语补语，放在bebe动词或联系动词之后，补充说明主语。动词或联系动词之后，补充说明主语。主主语语动词动词主语补语My workMy workMy workMy workis isis isthe thing.the thing.to prepare dinner.to prepare dinner.正道英语Part 1Part 1 不定词的功能不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当补（表）语：不定词当补（表）语：a.a.当主语补语，放在当主语补语，放在bebe动词或联系动词之后，补充说明主语。动词或联系动词之后，补充说明主语。主主语语动词动词主语补语My workMy workMy workMy workis isis isthe thing.the thing.to prepare dinner.to prepare dinner.例：例：1.My aim in life is to become a famous singer.1.My aim in life is to become a famous singer.我的人生目标是成为名歌手。我的人生目标是成为名歌手。2.To see is to believe.2.To see is to believe.眼眼见为实见为实。正道英语Part 1Part 1 不定词的功能不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当补（表）语：不定词当补（表）语：a.a.当宾补，即主语当宾补，即主语+动词动词+宾语宾语+补语。补语。主主语语动词动词补语补语HeHeHeHecallscallswantswantsJack.Jack.to do it.to do it.例：例：1.He told me to give up smoking.1.He told me to give up smoking.他告诉我要戒烟。他告诉我要戒烟。2.She got her husband to clean up the house.2.She got her husband to clean up the house.她她叫叫她她先生打先生打扫扫房子。房子。宾语宾语memememe正道英语Part 1Part 1 不定词的功能有些有些动词动词如如want,ask,teach,tell,get,showwant,ask,teach,tell,get,show等，等，用不定用不定词词作作宾补宾补。3.He asked me not to tell her the truth.3.He asked me not to tell her the truth.他要求我不要跟他要求我不要跟她说实话她说实话。比比较较：He didnt ask me to tell her the truth.He didnt ask me to tell her the truth.他他没没要求我跟要求我跟她说实话她说实话。否定不定否定不定词词：not+to+not+to+动词动词原形原形不定词（不定词（to+to+动词原形）的名词用法动词原形）的名词用法不定词当补（表）语：不定词当补（表）语：a.a.当宾补，即主语当宾补，即主语+动词动词+宾语宾语+补语。补语。正道英语Part 1Part 1 不定词的功能不定不定词当词当形容形容词词修修饰饰名或名或something.something.等代名等代名词时词时，采用后位修采用后位修饰饰。即：即：名名词词/something.+to+/something.+to+动词动词原形原形不定词的形容词用法不定词的形容词用法不定词的形容词用法不定词的形容词用法正道英语Part 1Part 1 不定词的功能1.I have homework to do.1.I have homework to do.我有作我有作业业要做。要做。2.My mother has a lot of housework to do every day.2.My mother has a lot of housework to do every day.我我妈妈妈妈每天有很多家事要做。每天有很多家事要做。不定词的形容词用法不定词的形容词用法修饰名词修饰名词例：例：正道英语Part 1Part 1 不定词的功能1.I will give you something to eat.1.I will give you something to eat.我我会给你东会给你东西吃。西吃。2.Do you have anything to read?2.Do you have anything to read?你你有什有什么东么东西可西可读吗读吗？有些不定有些不定词词之后之后会会伴伴随随着介着介词词如：如：They have a lot of things to talk They have a lot of things to talk aboutabout.他他们们有很多事要有很多事要谈谈。Please give me a ball-point pen to write Please give me a ball-point pen to write withwith.请给请给我一支原子我一支原子笔写笔写字。字。不定词的形容词用法不定词的形容词用法修饰修饰something.something.等等例：例：正道英语Part 1Part 1 不定词的功能不定不定词词可以用可以用来来修修饰动词饰动词、形容、形容词词、副、副词词，能能够够表示目的、表示目的、原因等。原因等。不定词的副词用法不定词的副词用法不定词的副词用法不定词的副词用法正道英语Part 1Part 1 不定词的功能1.She went to London to study English.1.She went to London to study English.=She went London in order to study English.=She went London in order to study English.她她去去伦伦敦敦学学英英语语。come come 和和 go go通常其后不接不定通常其后不接不定词词，而用，而用andand连连接。接。例：例：Come and see me.Come and see me.来来看我。看我。不定词的副词用法不定词的副词用法表目的，可用表目的，可用in order to+in order to+动词原形代替。动词原形代替。例：例：正道英语Part 1Part 1 不定词的功能1.I am glad to see.1.I am glad to see.很高很高兴见兴见到到你你。2.We are sorry to hear the new.2.We are sorry to hear the new.我我们们听到听到这这消息很消息很难过难过。不定词的副词用法不定词的副词用法表原因，跟在表感情的形容词之后。表原因，跟在表感情的形容词之后。例：例：正道英语Part 1Part 1 不定词的功能too+too+形容形容词词+to+to动词动词原形原形/too+/too+副副词词+to+to动词动词原形原形1.You are too young to understand the whole thing.1.You are too young to understand the whole thing.你你太年太年轻轻无法了解整件事。无法了解整件事。2.The water is too hot for me to drink.2.The water is too hot for me to drink.对对我而言水太我而言水太热热无法喝。无法喝。3.He worked too slowly to finish it.3.He worked too slowly to finish it.他工作得太慢无法完成他工作得太慢无法完成这这件事。件事。含不定词的句型含不定词的句型too.to.:too.to.:太太.而不能而不能.例：例：正道英语Part 1Part 1 不定词的功能形容形容词词+enough+to+enough+to动词动词原形原形/副副词词+enough+to+enough+to动词动词原形原形1.My younger brother is old enough to go to school.1.My younger brother is old enough to go to school.我弟弟年我弟弟年龄够龄够大可以上大可以上学学。2.Bob worked hard enough to pass the exam.2.Bob worked hard enough to pass the exam.BobBob够够用功可以通用功可以通过过考考试试。含不定词的句型含不定词的句型.enough to.enough to.够够 可以可以 例：例：电话：13802583127(段老师)QQ：1961735686Email：