2015中考英语语法专项复习.词类doc.doc

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2015中考英语语法专项复习:词类,主要包括十大词类用法及练习题等,下面是2015中考英语语法专项复习:词类,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。词类(parts of speech) 10名词Noun(n.):表示人或事物的名称。如:boy / pencil / book冠词Article(art.):用在名称前帮助说明名词所指的人或事物。如:a(an) / the代词Pronoun(pron.):用来代替名词、形容词或数词。如:we / that / his / what形容词Adjective(adj.):用以修饰名词、表示人或事物特征。如:old / red / fine数词Numeral(num.):表示数量或顺序。如:one / thirteen / first动词Verb(v.):表示动作或状态。如:look / go / be (am / is / are )副词Adverb(adv.):用以修饰动词、形容词或其他副词。如:not / too / here / often介词Preposition(prep):表示名词、代词等和句中其他词的关系。如:in / on / of / to / under连词Conjunction(conj.):用来连接词与词、短语与短语或句与句。如:and / or / but感叹词Interjection(interj.):表示说话时的喜悦、惊讶等情感。如:oh /hello / hi一 名词Noun(n.)名词表示人或事物的名称.一 名词的分类专有名词:John / China普通名词:可数名词 个体名词:book / table / horse集体名词:family / class / police不可数名词 物质名词water / rice / snow抽象名词:health / knowledge / love 专有名词: 表示具体的人、物、地点、节日等,通常由一个名词或一个词组构成:Jenny / Hong Kong / Christmas Day首字母要大写,但专有名词中的虚词(冠词、介词)的第一个字母不用大写:the Great Wall二 可数名词(可以用数来计量)的复数 规则变化 一般直接加-s .如:boy boys cup cups 以-s,-x,-ch,-sh,结尾加-es, 如:watch watches box boxes 以“辅音字母+y ”结尾变y为i再加-es.如:story stories baby babies 以f,fe结尾变f,fe为ves .如:knife knives wife wives thief thievesleaf leaves scarf scarves life lives half halves roof roofs 以o 结尾 加-s 如:radio radios photo photos piano pianoszoo zoos加-es 如:hero heroes potato potatoes tomato tomatoes英雄喜欢吃土豆和西红柿。 不规则变化 单复数同形:sheep sheep fish fish Chinese Chinese Japanese Japanese deer deer yuan yuan dollar dollars 只有复数形式:clothes glasses chopsticks goods trousers pants shorts 特殊变化:child children foot feet tooth teeth mouse miceman men woman women toothbrush toothbrushes 复合名词的复数形式:a. 当有man和woman时,前后两部分都变成复数形式a man doctor two men doctorsa woman teacher three women teachersb. 其他只变最后一个名词为复数形式 an apple tree lots of apple trees beef and tomato noodles三 不可数名词(不可以用数来计量)的计量 可数名词表示具体的数量,可以直接用数词来修饰:two apples ten persons 不可数名词必须与表示数量的名词连用,构成:数词+量词+of+不可数名词a piece of bread two cups of coffee three glasses of milk four boxes of chalk five bags of rice six drops of water seven pieces of news eight pairs of glasses四 名词所有格:表示名词之间的所有关系,连接两个名词两种形式:s所有格Beijing is Chinas capital. 有生命名词所有格:一般加-s. Toms desk Childrens Day以s结尾的复数名词只加 teachers office students books 如果一样东西为两人共同所有,则在最后一个名词上加-s(共有)This is Mary and Lilys room . / He is Tom and Tims father .如果表示各自所有,则两个名词词尾分别加-s(分别有)These are Marys and Lilys rooms./These are Toms and Tims books . 无生命名词所有格 : 名词+of+名词 the map of China / the door of the room 双重所有格of +名词所有格:He is friend of my brothers .of+名词性物主代词:This is a book of mine .五 可数名词与不可数名词的修饰词修饰可数名词:many / a few / few (There are many trees .)修饰不可数名词:much / a little / little (We have much homework to do .)共有的:some / any / a lot of / lots of /plenty of提问:可数名词How many bananas do you need ?不可数名词How much yogurt do you need ? 不可数名词没有复数形式,不能用a,an修饰,也不能用many,few,several等修饰。不可数名词作主语,谓语用单数。如:The honey is very sweet . 有些名词需要用复数形式作定语。a clothes shop sports meeting glasses store 名词的句法功能作主语:Math is my favorite subject .作宾语:I bought a computer last year .作表语:He is a clever student .作宾补:We call him Uncle Wang .作定语:Therere some apple trees over there .作状语:I go to school every day .作呼语:Hello ,boys and girls .of所有格Beijing is the capital of China.2015中考英语语法专项复习:动词时态,主要包括动词时态用法及练习题等,下面是2015中考英语语法专项复习:动词时态,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。时态是动词的一种形式,不同的时态用来表示在不同的时间以不同的方式发生的动作或存在的状态。英语中动词有16种时态,但初中英语要求掌握5种:一般现在时、一般过去时、一般将来时、现在进行时和现在完成时。而过去进行时、过去完成时、现在完成进行时和过去将来时4种时态只要求理解。一.一般现在时 概念及用法: 表示现在的状态:Judy is 12 years old and she is stay at home . 表示经常或习惯性的动作:He goes to school at 7:30 every day . 表示主语具备的性格和能力:Our monitor is very clever , He can learn English by himself . 常用的时间状语: always usually often every day/week/month/yearonce a week on Sundays等 句式结构: be 动词 (am/is/are)实义动词(have/like/eat) 肯定句:She is a beautiful girl . The boy does homework every night . 否定句:be (am/is/are) + not _ .dont + v. / doesnt + v. _ . 一般疑问句:be提前到句首,回答Yes/No , 主语+be . _ ?Yes , _ . / No , _ .提前助动词do/does ,同时还原实意动词,回答Yes , 主语+do/does ; No , 主语+dont/doesnt . _ ?Yes , _ . / No , _ . Bob comes from London . 否定句: _ . 一般疑问句并作肯、否定回答:_ ?Yes , _ . / No , _ . 动词第三人称单数的构成方式:当主语是第三人称单数(he/she/it/the boy/my father)时,谓语动词要用第三人称单数形式,其变化与可数名词单数变复数的规则相同,区别是一个是动词,一个是可数名词。见表:一般 加-s swim swims以-s,-x,-ch,-sh,结尾 加-es watch watches以“辅音字母+y ”结尾 变y为i再加-es fly flies 不规则的:have has二.现在进行时 概念:表示现在正在进行的动作。 常见的时态标志词:now at the moment look listen 等 句式结构:be(am/is/are) + 现在分词 肯定句:She is reading a book now . 否定句:be(am/is/are)+ not + 现在分词 _ . 一般疑问句:be提前到句首,回答Yes/No , 主语+be . _ ?Yes , _ . / No , _ . 用法: 表示说话时正在进行的动作。如:Be quiet .My father is sleeping . 表示目前一阶段正在进行的动作。如:He is always helping others . 现在进行时表将来。如:Hurry up .The train is coming ! 现在分词的构成方式见下表:一般 加-ing read reading以不发音的-e结尾 去-e再加-ing make making以重读闭音节结尾, 双写这个辅音且末尾只有一个辅 字母,再加 stop stopping音字母 -ing lie lying2015中考英语语法专项复习:主谓一致,主要包括主谓一致用法及练习题等,下面是2015中考英语语法专项复习:主谓一致,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。主谓一致的原则有三个:语法一致、意义一致和就近原则。一 语法一致语法一致即单数主语要用单数谓语动词,复数主语要用复数谓语动词。如:My bike is under the tree.我的自行车在树下。These books are old .这些书是旧的。1. and和bothand连接两个或三个名词、代词作主语时,谓语动词用复数形式。Mike and John are good friends .迈克和约翰是好朋友。Both bread and milk are good for you .面包和牛奶对你都有好处。2. 主语后接with , as well as , including , besides , except , but等词或短语时,谓语动词的数由主语的单复数形式决定。He with his parents is working in the fields .他正和他的父母在地里干活。She as well as other students likes playing computer games.她和其他学生一样,也喜欢玩电脑游戏。3. 当主语前有every . each . either. neither修饰或each . either. Neither作主语时,谓语动词要用单数。如:Every minute is important to us . 每分钟对我们都很重要。Each student has a book .每一个学生都有一本书。Each of the girls has a big apple in their hands .每一个女孩的手里都有一个苹果。Either answer is correct .两个答案都是正确的。4. 不定代词either , neither , each one , the other , another , anybody , anything , someone , nobody , nothing 等作主语时,谓语动词用单数。如:Somebody is waiting for you outside .有人在外面等你。Is everybody here today ?今天大家都到齐了吗?5. “a number of + 名词复数” (许多、一些)= many 作主语时,谓语动词用复数形式。“the number of + 名词复数”(的数量)作主语时, 谓语动词用单数形式。 如:A number of trees are cut down .许多树被砍伐。The number of students in our class is 45 .我们班的学生数目是45。6. a lot of (lots of) / plenty of +名词作主语时,谓语动词由of后的名词的单复数决定。如果of后是不可数名词,谓语动词用单数;如果of后是名词复数,谓语动词用复数。如:Most of time is used for playing computer games .大部分时间用来玩电脑游戏。Plenty of workers are working .许多工人正在工作。7. 不定式或v.-ing形式作主语时,谓语动词用单数形式。如:Learning English is necessary for us .学英语对于我们来说是有必要的。To play with fire near a gas station is very dangerous .在加油站附近玩火很危险。二 意义一致意义一致就是根据句子主语意义上的单复数来确定谓语动词的单复数。1. and连接的两个名词作主语,在意义上指同一人、同一物或同一概念时,谓语动词用单数。如:The famous singer and dancer is coming to Chongqing .那位著名的歌唱家兼舞蹈家要来重庆。2. 表示时间、金钱、距离、重量等的名词复数作主语时,通常被看做一个整体,谓语动词用单数。如:Ten years has passed quickly .10年很快就过去了。Ten dollars is enough .10美元就够了。100 kilometers is a long way .100公里是一段很长的路。3. 集体名词(如family / class等)如果表示集体概念,则谓语动词必须用单数形式,如果表示集体中的成员,则谓语动词必须用复数形式。如:My family is a small one with three people .我家是一个有着三口人的小家庭。My family all like classical music .我的家人都喜欢古典音乐。4. 加、减、乘、除运算中的谓语动词用单数。如:Two and two is four .2加2 等于4.Six times two is twelve .6乘2等于12.5. “one and a half +名词复数”作主语时,谓语动词用单数。如:One and a half pears is left on the plate .一个半梨被留在盘子里。6. “the +形容词”作主语时,表示某类人,谓语动词用复数。如:The sick are taken good care of .病人得到了很好的照顾。三 就近原则有时谓语动词的形式与主语并不一致,而是与它最近的主语保持一致。1. 由either or , neither nor , not only but also , not but或or连接两个并列主语时,其谓语动词在数上与最邻近它的主语保持一致。如:Not only Lily but also Jack has gone to beijing .不仅莉莉去了北京,杰克也去了北京。Not you ,but I am wrong .不是你,而是我错了。Either my father or my brother is coming .我父亲来,要不然就是我弟弟来。2. There be或Here be后面接并列的名词时,谓语动词在数上应与最邻近的名词保持一致。如:There is a pen and two pencils on the desk .课桌上有一支钢笔和两支铅笔。Here are some flowers and a card for you .这是给你的一些花和一张卡片。2015中考英语语法专项复习:简单句、并列句和复合句,主要包括简单句、并列句和复合句用法及练习题等,下面是2015中考英语语法专项复习:简单句、并列句和复合句,内容丰富,能帮助学生极大提高英语成绩。句子按结构可分为简单句、并列句和复合句。复合句中包含宾语从句、状语从句或定语从句等。一 简单句简单句就是只包含一个主谓结构的句子,其句式结构主要有五种:主 + 谓。He works in a big company .他在一家大公司工作。主 + 系 + 表。She is a kind girl .她是一个善良的女孩。主 + 谓 + 宾。Ann eats junk food twice a week .安一周吃两次垃圾食品。主 + 谓 + 间宾 + 直宾。He gave me a pen .他给我一支钢笔。主 + 谓 + 宾 + 宾补。He kept me waiting for two hours .他让我等了两小时。二 并列句并列句由两个或两个以上的简单句连接而成。并列句中的各简单句同等重要,没有从属关系,是并列的关系,之间用并列连词连接。1. 表示顺承的并列连词有and / not only but (also)等。 如:She not only gave us a lot of advice, butalso helped us to overcome difficulties .他不仅给了我们很多建议,而且还帮助我们克服困难。2. 表示选择的并列连词有or , either or 等。如:Either you or Maria will have to go .你或玛丽亚得去一趟。3. 表示转折的并列连词有but , yet , however 等。如:It is hot in summer here , but its not cold in winter .这里夏天热,但冬天不冷。4. 表示因果关系的并列连词有so . 如:He works hard , so he is one of the top students in our class .因为他学习努力,所以他是我们班最优秀的学生之一。三 宾语从句1. 宾语从句的引导词宾语从句的引导词有that(可省略),if , whether , who , whose , what等。如:He tells me (that) he is going shopping this Sunday .他告诉我这个星期天他要去购物。She asked me if / whether she could join us .她问我她是否可以加入我们。Do you know who broke the door .你知道谁弄坏了门吗?2. 宾语从句的语序在含有宾语从句的复合句中,宾语从句都要使用陈述语序。如:I want to know when the train left .我想知道火车是什么时候离开的。Could you tell me what your name is ?你能告诉我你叫什么名字吗?3. 宾语从句的时态如果主句是一般现在时、一般将来时或祈使句,宾语从句可以根据实际需要用各种时态。如:He tells us that he has been able to look after himself .他告诉我们他已经能够照顾自己了。如果主句是一般过去时,宾语从句应该使用对应的过去时态的一种。如:They said that they had already finished the work .他们说他们已经完成了工作。宾语从句叙述的是客观事实、格言等时,用一般现在时。如:Everyone knows there are sixty minutes in an hour .大家都知道1小时有60分钟。4. 否定前移在宾语从句中,当主句的主语为I或we,谓语动词为think , believe , suppose等时,否定应前移。如:I dont think he is right . 我认为他不对。We dont suppose he will come .我们猜测他不会来。四 状语从句状语从句在复合句中作状语,修饰主句中的动词、形容词、副词等。1. 时间状语从句在时间状语从句中,常用的引导词有when / while / before / after / until(till) / as soon as / since / as等。如:She was cooking when someone knocked at the door . 有人敲门时,她正在煮饭。What will you do after you finish your homework ? 你做完作业后准备做什么?2. 条件状语从句在条件状语从句中,常用的引导词有if / unless等。如:If it doesnt rain , I will go fishing .如果不下雨,我将去钓鱼。They will have a picnic unless it rains next Sunday .如果下星期日不下雨,他们要进行野炊活动。 If 引导的条件状语从句,若主句用一般将来时,则从句应用一般现在时表将来。3. 原因状语从句在原因状语从句中,常用的引导词有because / as / since 等。如:He didnt come because he was ill . 他没有来,因为他生病了。As you are sorry , Ill forgive you . 既然你悔悟了,我就原谅你。4. 结果状语从句结果状语从句主要由sothat / suchthat引导。so后接形容词或副词;such后接名词。如:Its so hot that we want to go swimming .天太热了,因此我们想去游泳。Thats such an interesting story that everybody likes it .那是一个如此有趣的故事,大家都喜欢它。5. 目的状语从句在目的状语从句中,常用的引导词有so that / in order that等。如:Please say it in a loud voice so that everyone can hear it .请大声说,以便大家都能听见。He works harder in order that he can go to a good college .他更加努力地学习,以便能上一所好大学。6. 让步状语从句在让步状语从句中,常用的引导词有though / although / even if / even though等。though或although引导让步状语从句,不能与but连用。如:He often helps others though / although he is not rich .尽管他并不富裕,但他经常帮助别人。Theyll stand by you even if you dont succeed .即使你不成功,他们也会支持你。7. 比较状语从句比较状语从句常由than / asas / not as as等引导。如:He is more outgoing than I(am) .他比我外向。He ran as fast as Mike did .他和迈克跑得一样快。It isnt so / as easy as you thought .这不像你想的那么容易。2015中考英语语法专项复习:被动语态,主要包括被动语态用法及练习题等,下面是2015中考英语语法专项复习:被动语态,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。英语动词有主动和被动两种语态。主动语态表示主语是动作的执行者,又叫施动者;被动语态表示主语是动作的承受者,又叫受动者。区分主动语态和被动语态,主要看主语是执行者还是承受者。如:The flowers and grass should be watered .(_语态)We should water the flowers and grass .(_语态)一 构成1.被动语态是由“助动词be +过去分词”构成的,助动词be有时态、人称和数的变化。Tom broke the cup .(主动语态) The cup was broken by Tom .(被动语态)2.被动语态有以下8种:一般现在时:be(am / is are) +过去分词 Trees are planted in spring .一般过去时:be(was / were) +过去分词 The house was built last year .现在进行时:be(am / is are) + being +过去分词 The car is being repaired .过去进行时:be(was / were) + being +过去分词现在完成时:have / has + been +过去分词 The light has been turned off .过去完成时:had + been +过去分词一般将来时:will be +过去分词 Lei Feng will be remembered by us forever .含情态动词的:情态动词+ be +过去分词 My homework can be finished in two hours .3.被动语态常用于以下场合:不知道或没有必要说明动作的执行者是谁时。如:My bike was stolen yesterday .我的自行车昨天被偷了。强调动作的执行者时,使用“by +动作的执行者”。如:The pen was used by my father .这支钢笔是我父亲用过的。 只有及物动词才有被动形式,不及物动词如rise / come / go / take / place / happen等,没有被动形式。二 主动语态变被动语态的步骤通常遵循以下三个步骤:1. 把主动语态的宾语变成被动语态的主语。2. 把主动语态的谓语动词变为与其时态相对应的被动形式,且与被动语态的主语保持人称和数的一致。3. 将主动语态的主语变为介词by的宾语,置于句末。“by +宾语”在句中常省略。主动语态:Many people speak English . 这里还需要连线!被动语态:English . is spoken by many people .如:Lu Xun wrote this book . This book was written by Lu Xun .这本书是鲁迅写的。People are cutting down many trees now . Many trees are being cut down now .现在许多树正被砍伐。三 主动语态和被动语态的转换1.双宾语的被动形式双宾语的句子在变为被动语态时,有两种变法: 如果把指人的间接宾语变为主语,那么指物的直接宾语保留不动。如:His teacher gave him a book .He was given a book by his teacher . He has bought me a present .I have been bought a present . 如果要将指物的直接宾语变为主语,那么动词后要用介词to / for,这个介词是由与其搭配的动词决定的。如:His teacher gave him a book .A book was given to him by his teacher . He has bought me a present .A present has been bought for me . 常见的能接双宾语的动词有give / show / bring / lend / send等,这些词与介词to搭配;buy / make / draw等,这些词与介词for搭配。2.动词短语的被动语态许多不及物动词加上介词或副词后构成的短语动词相当于及物动词,是一个不可分割的整体,在变为被动语态时不能把短语动词分开,也不能漏掉短语动词中的介词或副词。 如: We should speak to old men politely .Old men should be spoken to politely . He always takes care of his sister .His sister is always taken care of (by him). She turned off the radio .The radio was turned off (by her).3. 省略的to动词不定式用于被动语态在主动语态中,一些表示感官或使役的动词,如hear / watch / see / feel / notice / listen to / look at / let /make / have和help等后面的宾语补足语是不带to的动词不定式,但句子在变为被动语态后要加to。如: He made the girl stay at home .The girl was made to stay at home . We often hear her sing in the room .She is often heard to sing in the room . The boss made them work for 16 hours a day .They were made to work for 16 hours a day (by the boss).4. 主动形式表被动意义 动词need,want以及短语be(well)worth等后面常接动名词,以主动形式表示被动意义。如:The room needs cleaning .这房子需要打扫。 The piece of music is worth listening to .这首曲子值得听。 某些表示主语质地、自身特征的动词,如write / wash / sell / clean / cook等,常和副词well或easily连用,用主动形式表示被动意义。如:The cloth washes easily .这种布容易洗。 The pen writes well .这支笔很好用。2015中考英语语法专项复习:感叹句,主要包括感叹句、用法及练习题等,下面是2015中考英语语法专项复习:感叹句,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。感叹句就是用来表示喜、怒、哀、乐等强烈感情的句子。感叹句的句式感叹句一般以what或how 开头,句末加感叹号“!” 。what修饰名词,how修饰形容词、副词。1. 以what开头的感叹句2. 以how开头的感叹句陈述句改感叹句口诀: 一断二加三换位1.“一断”,即在谓语动词后边断开,把句子分为两部分。如:She is a beautiful girl . 她是一位美丽的姑娘。He works hard . 他工作努力。2.“二加”,即如果第二部分为副词 / 形容词,就加上how;如果是名词 / 词组,就加上what。如: She is ( what ) a beautiful girl . He works (how ) hard .3.“三换位”,即把前后互换位置,同时把句点换为感叹号。 如: What a beautiful girl she is ! Howhard he works !三.练习。1. 把下列句子改为感叹句。( 一断二加三换位 ). Your garden is beautiful . . The subway is fast ._ _. It is a fine day today . . The film is very wonderful ._ _. Edison was a great inventor . .They are having a wonderful time ._ _. You have made a terrible mistake . .The students are listening very carefully ._ _. The problem is difficult . . It is a very useful dictionary ._ _2015中考英语语法专项复习:疑问句,主要包括疑问句、用法及练习题等,下面是2015中考英语语法专项复习:疑问句,内容丰富,重难点突出,提高复习效率,能帮助学生极大提高英语成绩。疑问句可分: 一般疑问句、特殊疑问句、选择疑问句和反意疑问句四种。 一般疑问句:其答语用yes或no。如:-Is he a teacher ? -Yes , he is .1. 肯定的一般疑问句结构:be动词/助动词/情态动词+主语+动词原形+其他?如: Is he a good student ? Does he go to school by bike ?-Yes , he is . / No , he isnt . Yes , he does . / No , he doesnt .2. 否定的一般疑问句表示反问或惊讶,结构: be动词/助动词/情态动词后加not的简略式nt ,并放到句首。如:-Arent you a writer ? 难道你不是作家吗?-No , Im not . 是的,我不是。 在否定式的一般疑问句的答语中,yes应翻译成“不”,no应翻译成“是的”。 特殊疑问句:由特殊疑问词或短语引导的。常见的特殊疑问词或短语有what / who / where / how / when / what time / how much / how many / how long 等。构成:特殊疑问词+一般疑问句回答:用具体的句子回答如:-What is he doing ? - When do you get up every day ?-He is reading a book . At six oclock . 否定的特殊疑问句由“特殊疑问词+否定疑问句”构成,主要表示劝告、建议或责备等。如:Why didnt you tell me earlier ? =Why not told me earlier ? 你为什么不早点告诉我呢?_ 选择疑问句:要求对方对两种或两种以上的情况进行选择的问句。构成:一般疑问句+ or +被选择的情况回答:具体的句子回答,不能用yes和no .1. 一般选择疑问句 如: -Do you like math or Chinese ?-I like math .2. 特殊选择疑问句 如:-Which do you like best , apples , oranges or bananas ?-I like apples best . 反意疑问句1. 两部分组成:前部分是对事情的陈述,后部分是简短的提问,即“陈述句+附加疑问句”。2. 特点:前肯后否,前否后肯。如:Tony is a worker , isnt he ? 托尼是个工人 ,对吗?You wont go to the Summer Palace tomorrow , will you ? 明天你不去颐和园,是吗?3. 回答:事实是肯定的用yes;事实是否定的就用no . 在“前否后肯”的反意疑问句的答语中,yes是“不”,no意为“是的”。如:-He isnt going to he meeting , is he ? 他不去参加会议,是吗?-Yes, he is . 不,他要去。/ No , he isnt . 对,他不去。4. 常考的反意疑问句:There be句型构成反意疑问句,附加疑问句的主语应用there。如:There is a cat under the chair , isnt there ?如果陈述句中含有表示否定意义的词,如: never / hardly / few / little /nothing / nobody / no时,附加疑问句应用肯定式。如:There is little milk in the glass , is there ?以Lets开头的祈使句,附加问句应用shall we 如:Lets go and climd the hill , shall we ?以Let us开头的祈使句,附加问句应用will you 如:Let us help you , will you ?肯定的祈使句的附加问句可用will you或wont you 如:Come to school early next time , will you ?否定的祈使句的附加问句用will you 如:Dont play on the street , will you ?陈述部分主语为this / that / these / those 等时,附加部分主语应用it 或they .如:This is a green jeep , isnt it ?祈使句表示请求、命令、建议等等。谓语动词一律用原形。句子中通常不用主语,句末用惊叹号或者句号,用降调。1含有第二人称主语的祈使句Be careful!小心!Dont make such a noise.不要这么吵。1.肯定的祈使句a.句型:动词原形.(省略主语)Stand up.起立。Be quiet,please.请安静。b.有时,为了加强语气,可以在动词之前加doDo sit down.务必请坐。Do study hard.一定要努力学习。比较祈使句和陈述句陈述句:You sit down.你坐下来。祈使句:Sit down.坐下(省略主语you)c.用客气的语气表示祈使句时,可在句首或句尾加上please,但如果在句尾加please,那在please之前一定要加一个逗号“,”。Go this way,please.请这边走。d.祈使句中如果有唤语,一定要用逗号“,”隔开,放在句首或句尾。Li Ming,come here.李明,过来。Come here,Li Ming.过来,李明。2.否定的祈使句句型:Dont +动词原形Dont swim in the river.别在河里游泳。Dont be late.别迟到。Please dont be noisy.请不要大声喧哗。注意表示禁止时,尤其是标语等也可用“No+动名词”来表示。No smoking.禁止吸烟。No parking.禁止停车。句型转换祈使句与陈述句的改写1.祈使句=You must (陈述句)Come here .过来。=You must come here .你必须过来。Dont do that again.你一定不可以再那样做了。2.Please +祈使句=Will you (please) ?(陈述句)Please help me .请帮帮我。=Will you (please) help me?你愿意帮我的忙吗?Come here on time ,please .请准时到这儿。=Will you (please) come here on time ?请你准时到好吗?2含有第一、第三人称主语的祈使句Lets say good-by here.我们在此道别吧。Dont let him do that again.别让他再那么做了。1.肯定的祈使句句型:Let+第一人称(me,us).Let+第三人称代词(宾格:him,her,it,them)或名词.Lets go at once.咱们马上动身吧。Let me try again.让我再试试。Let Tom go there himself.让汤姆自己去那儿。注意Lets包括对方,Let us不包括对方。反意疑问句时最明显。Lets go,shall we?咱们去吧,怎么样?Let us go,will you?让我们去吧,行吗?(征求对方的意见)2.否定的祈使句句型:Lets(us,me)+not +动词原形.Dont let +第三人称代词的宾格或名词+动词原形.Lets not say anything about it.对于这件事,咱们什么也不要说。Dont let them play with fire.别让他们玩火。句型转换祈使句有时相当一个if引导的条件状语从句。祈使句:Use your head and youll find a way.条件句:If you use your head,youll find a way.如果你动动脑筋,你就会找到方法。注意:回答Lets的反意疑问句句型时,肯定时用Yes,lets.否定时用NO,lets not.
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