1、1新概念一主要语法知识点(一)时态主要涉及的时态有:一般现在时,现在进行时,一般过去时,现在完成时,一般将来时,过去进行时,过去完成时,过去将来时1. 一般现在时表示一般性,经常性的动作或一般性事实。 含有 be 动词的句子例:He is a teacher.The girl is very beautiful.Tim and Jack are students.变疑问句将 be 动词移到句首例:Is he a teacher?Is the girl very beautiful?Are Tim and Jack students?变否定句在 be 动词后面加 not例:He is not a
2、 teacher.The girl is not very beautiful.Tim and Jack are not students.肯定回答及否定回答例:Yes, he is. No, he is not.Yes, she is. No, she is not.Yes, they are. No, they are not. 不含有动词的句子,即含有一般动词的句子第三人称单数及单数名词例:He likes books.She likes him.The dog likes bones.变疑问句在句首加 does,动词变为原型例:Does he like books?Does she l
3、ike him?Does the dog like bones?变否定句在主语及动词之间加 doesnt, 动词变为原型例:He doesnt like books.She doesnt like him.The dog doesnt like bones.肯定回答及否定回答:例:Yes, he does. No, he doesnt.Yes, she does. No, she doesntYes, it does. No, it doesnt.注意:第三人称单数形式一般在动词后面加 S,不要和名词复数混淆,变否定句或疑问句时名词复数没有任何变化。2其他人称及复数名词例:I want to
4、have a bath.We have some meat.The students like smart teachers.变疑问句在句首加 do例:Do you want to have a bath?Do we have any meat?Do the students like smart teachers?变否定句在主语和动词之间加 dont.例:You dont want to have a bath.We dont have any meat.The students dont like smart teachers.肯定回答及否定回答例:Yes, I do. No, I don
5、t.Yes, we do. No, we dontYes, they do. No, they dont.2. 现在进行时表示现在正在进行的动作。构成:主语be 动词动词的现在分词其它成分例:We are having lunch.He is reading a book.The dog is running after a cat.The boys are swimming across the river.变疑问句将 be 动词移到句首例:Are we having lunch?Is he reading a book?Is the dog running after a cat?Are
6、the boys swimming across the river?变否定句在 be 动词后面加 not例:We are not having lunch.He is not reading a book.The dog is not running after a cat.The boys are swimming across the river.特殊疑问句:what,which, how, where, who, etc.疑问词动词主语现在分词例:What are you doing?What is she doing?What is the dog doing?注:(必背!)没有进行
7、时的动词:表示状态,思想,感情和感觉的动词不能表示正在进行的动作表示感觉,感官的词see, hear, like, love, want, have, has 当”拥有”讲时没有进行时3. 一般过去时3表示过去发生的动作或事件,常和表示过去的时间状语连用,如 yesterday, last night, the day before yesterday, 3 days ago, 含有 be 动词的句子, 将动词变为过去式,am, is 的过去式为 was,are 的过去式为 were例:I was at the butchers.You were a student a year ago.Th
8、e teacher was very beautiful ten yearsago.变疑问句将 be 动词移动到句首例:Were you at the butchers?Were you a student a year ago?Was the teacher very beautiful ten yearsago?变否定句在 be 动词后面加 not例:I was not at the butchers.You were not a student a year ago.The teacher was not very beautiful tenyears ago.肯定回答否定回答例:Yes
9、, I was. No, I was not.Yes, you were. No, you were not.Yes, he/she was. No, he/she was not.特殊疑问句:例:What did you do? 不含有 be 动词的句子,将动词变为过去式例:I finished my homework yesterday.The boy went to a restaurant.The Sawyers lived at King Street a year ago.变疑问句在句首加 did, 动词变为原型例:Did you finish your homework yest
10、erday?Did the boy go to a restaurant?Did the Sawyers live at King Street a year ago?变否定句在主语和动词之间加 didnot例:I did not finish my homework yesterday.The boy did not go to a restaurant.The Sawyers did not live at King Street a yearago.肯定回答及否定回答例:Yes, I did. No, I didnt.Yes, he did. No, he didnt.Yes, they
11、 did. No, they did not.4. 现在完成时构成:主语+助动词 have, has+过去分词用法:1)表示过去发生的和现在有某种联系的动作,常和 just, usually, already, since 等时间副词连用例:I have just had lunch. (饱了,不用再吃了)He has had a cup of tea.(不渴了,不用再喝)4They have already had their holiday. (不能再度假了)The boy has already read the book. (已经知道书的内容了,不用再看了)2)询问别人是否做过某事一般
12、用现在完成时:例:Have you finished your homework?Have you been to Beijing?Have he seen the film?3)表示开始于过去并持续到现在的动作例:I have lived in Beijing for twenty years.I have worked for this school for 1 year.4)表示一种经历,经验:去过地方,做过事情,经历过事情例:I have never had a bath.I have never seen a film.I have never been to cinema.I ha
13、ve ever been to Paris.注意:Have been to 表示去过,have gone to 表示去了试比较:I have been to London.(人已经回来)He has gone to London.(人还在那里)5)表示一种结果, 一般不和时间副词联用例:I have lost my pen.I have hurt myself.He has become a teacher.She has broken my heart.变疑问句将助动词移到句首,例:Have you lost your pen?变否定句在助动词后面加 not.例: I have notlos
14、t my pen.肯定回答及否定回答例:Yes, I have. No, I have not.特殊疑问句:例:What have you done?What has he done?注意:一般过去时与现在完成时的区别:凡是有明确的表示过去的时间状语的句子为过去时注意:有些动词表示的动作有一个终点,不能再延续,因此不能和表示一段时间状语连用错:Ive left Beijing for 3 days.对:I left Beijing 3 days ago. Ihave been away from being for 3 days.5. 一般将来时表示将来将要发生的动作, 经常和 tomorro
15、w, next year, the dayafter tomorrow, the year after the next, in five hours time, etc. 表示将来的词联用结构: 主语+助动词 will+动词原形例:I will go to America tomorrow.The pilot will fly to Japan the monthafter the next.Jack will move into his new house tomorrowmorning.变疑问句将助动词移到句首5例:Will you go to America tomorrow?Will
16、 the pilot fly to Japan the month afterthe next?Will Jack move into his new house tomorrowmorning?变否定句在助动词后面加 not例:I will not go to America tomorrow.The pilot will not fly to Japan the monthafter the next.Jack will not move into his new housetomorrow morning肯定回答及否定回答例:Yes, I will. No, I will not.Yes
17、, he/she will. No, he/she will not.Yes, he will. No, he will not.特殊疑问句:例:What will you do?6. 过去完成时:用法:在过去的时间里,两个动作中,发生在前的哪个动作要用过去完成时。结构:had+过去分词例:After she had finished her homework, shewent shopping.They had sold the car before I asked theprice.The train had left before I arrived at thestation.注意:A
18、fter/before 引导的时间状语从句放在句首要在句子后面加逗号,如果放在主句后则不用加。变疑问句将助动词移到句首例:Had she finished her homework?变否定句在助动词后面加 not例:She hadnt finished her homework.肯定回答及否定回答例:Yes, she had. No, she hadnt.特殊疑问句:例:What had she done?7. 过去进行时表示过去正在进行的动作,经常用在 when, while, as 引导的状语从句中。结构:was/were+doing例:When my husband was going
19、into the diningroom this morning, he dropped some coins on the floor.While we were having dinner, my father waswatching TV.8过去将来时结构:would do例:She said she would go here the nextmorning.(二)特殊句型:therebe 句型,be going to 结构1. Be going to 结构表示打算,准备,计划做某事结构:主语+be 动词+going to +动词原型例:I am going to make a boo
20、kcase.6They are going to paint it.The father is going to give the bookcase tohis daughter.变疑问句将 be 动词移到句首例:Are you going to make a bookcase?Are they going to paint it?Is the father going to give the bookcase tohis daughter?变否定句在 be 动词后面加 not例:I am not going to make a bookcase.They are going to paint
21、 it.The father is not going to give thebookcase to his daughter.肯定回答及否定回答例:Yes, I am. No, I am not.Yes, they are. No, they are not.Yes, he is. No, he is not.特殊疑问句例:What are you going to do?What are they going to do?What is the father going to do?2. There be 句型表示哪里有什么东西(某处有某物) There is单数名词表示场所的词(一般为介
22、词词组)例:There is a book in this room.There is a pen on the table There are复数名词表示场所的词(一般为介词词组)例:There are two pens on the table.There are three schools there.变疑问句将 be 动词移到句首例:Is there a book in this room?Are there two pens on the table?变否定句在动词后面加 not例:There is not a book in this room.There are not two
23、pens on the table.肯定回答及否定回答例:Yes, there is. No, there is not.Yes, there are. No, there are not.(三)问句主要类型有:一般疑问句,特殊疑问句,选择疑问句,反意疑问句,选择疑问句,否定疑问句1.一般疑问句:助动词/be 动词+主语,通常可以用 Yes 或者 No 来回答。例:Are you a teacher?Do you want to have a cup of tea?回答:Yes, I am./No, I am not.2.特殊疑问句:7特殊疑问词+一般疑问句 What: 表示什么例:What
24、is your name? Where:表示在哪里,对地点进行提问例:Where is my book? Which:表示哪一个(在一定范围内特指一样东西或一个人)当作为疑问代词时,which 通常单独使用例:Which is your favorite cup?Which are your favorite cups?当作为疑问形容词时,which 后面通常加上一个名词,构成特殊疑问名词短语例:Which cup is your favorite?Which cups are your favorite? 对国籍的提问你是哪国人?问:What nationality are you?回答:I
25、m Chinese.注意:回答用“国籍”你来自哪里?问:Where are you from?=Whre do you come from?回答:Im from China.=I come from China.注意:回答用“国家” 对职业的提问What is your job?=What are you? 对近况的提问问:How are you today?回答:Im very well, thank you.3. 选择疑问句关键词:or例“Do you want beef or lamb?4. 反意疑问句肯定陈述句+否定疑问部分,否定陈述部分+肯定疑问部分例:The dog is love
26、ly, isnt it?You dont need that pen, do you?5. 否定疑问句一般疑问句+否定词例:Arent you lucky?Dont you want to have a rest?8(四)some 和 any、many 和 much 的用法some, any共同点:1. 都可修饰可数名词或不可数名词2. 都可以解释为“一些”区别: 通常情况下,some 用于肯定句,any 用于否定句和疑问句(此时,两个词都解释为“一些”)例: I want some milk.I dont want any milk.Do you want any milk?特殊用法:1.当
27、表示建议、邀请,并期待得到对方的肯定回答时 some 也可以用在疑问句中,以下为三种句型:1)Would you like.?例: Would you like some coffee?2) Do you want.?(一般情况而言用 any 比较多,但是如果想要得到别人的肯定回答,可以用 some 来提问)例:Do you want some juice? (回答为 Yes)3) What about.?例:What about some bread?2. 当 any 表示“任何”的时候,也可以用在肯定句,且后面如果加可数名词,需要用单数例:Any one with a ticket can
28、 get into the park. many, much共同点:都可以解释为“很多”不同点:many 修饰可数名词,much 修饰不可数名词例: I have many toy cars.She has much money.注:在口语中表示“很多”一般不用 many, much, 而多用 a lot of, 而在否定句中表示“很多”用 many, much.例:I have a lot of money.I dont have muchmoney.I dont have many apples.(五)名词分类:名词分为可数名词和不可数名词1. 不可数名词含义:不可以分成个体的东西:wat
29、er,tea, bread, milk, rice抽象的东西:love, beauty, coldness特点: 不能用 a, an 修饰 不能加 s 和单数 be 动词或动词搭配9注:不可数名词表达复数概念时,用量词修饰。例:a bottle of milk two bottles of milka bar of chocolate two bars of chocolatea loaf of bread two loaves of breada pound of sugar two pounds of sugar2. 可数名词:特点:单数可数名词要用冠词修饰,有复数形式。名词复数形式变化规
30、则: 一般情况+s例: shopshopsbookbooks 以 s, x, ch, sh, o 结尾+es口诀:蛇(sh)吃(ch)象(x)是(sh)会死(s)的哦(0)例:foxfoxeschurchchurchesbusbusesdishdishespotatopotatoes以 o 结尾,除了 Negro/hero /potato/tomato,通常加 s口诀:黑人英雄爱吃土豆和西红柿,剩下一般加 s, radioradios 以 f, fe 结尾的,变 f, fe 为 ves例:lifeliveshalfhalvesshelfshelvescitycitieswifewives以辅音
31、字母+y 结尾, 变 y 为 i+es例:skyskiesflyflies注:以元音字母+y 结尾的则直接加 ed例:toytoysboyboysdaydays不规则变化的名词复数形式例:manmenwomanwomenfootfeetgoosegeesetoothteethsheepsheepchildchildrendeerdeermousemice国人复数变化:(部分)10口诀:中日不变英法变,其余 s 加后边ChineseChineseJapaneseJapaneseEnglishmanEnglishmenFrenchmanFrenchmenGermanGermansItalianIt
32、alians(六)情态动词的使用1情态动词 can(能够), must(必须), may(可以)结构:主语+can/must/may+动词原型例:He can make the tea.Sally may air the room.We must speak English.变疑问句将情态动词移到句首例:Can he make the tea?May I open the door?Must we speak English?变否定句在情态动词后面加 not例:He cannot make the tea.Sally maynot air the room.You mustnt speak l
33、oudly here. = Dont speak loudly here.(这里 mustnt解释为不许、禁止的意思)特殊疑问句:What can you do?注意:情态动词的句子没有第三人称单数的变化,不要在情态动词或动词后面加 S。2Must/have to 的区别must 表示必须,是主观上觉得应该做,have to 是不得不,是由于客观条件逼迫才做must 只能用在表示现在和将来的句子里,而 have to do 可以用在任何时态3must, may, might 表示猜测:must do 表示对现在事实的猜测must have done 表示对过去事实的猜测must have be
34、en doing 表示对过去正在进行的事实的猜测may/might do, may/might have done 表示没有任何事实依据的猜测,might 的可能性更小。cant/couldnt 表示不可能4need 用法:表示“需要”时为实意动词,后面可以加名词,也可以加不定式:例:I need a pen.Do you need any beer? No, Idont.I need to have a rest.注:Need doing=need to be done,表示被动例:The flowers need watering. = The flowers need to be wat
35、ered.Need 在否定时做情态动词使用11例:You neednt go so early. =You dont need togo so early.Must I clean the desk right now? No, youneednt. (我一定要现在把桌子擦干净么?不,你不需要)语法(七)感叹句、祈使句一.感叹句1.由 what 引导的感叹句。结构:What+a(an)+(形容词)+单数可数名词+主语+谓语!例:What a beautiful girl she is!What+( 形容词) +可数名词复数或不可数名词+主语+ 谓语!例:What kind women they
36、 are!What nice music it is!2.由 how 引导的感叹句。结构:How + 形容词(副词)+主语+谓语例:How beautiful the girl is!How quickly the boy is writing! 3.what 与 how 引导的感叹句,一般情况下可以相互转换,转换后意义不变。 例:What an interesting story it is!=How interesting the story is! what a beautiful building it is!=How beautiful the building is! 注:在口语中
37、,感叹句的主语和谓语常常省略。 例:What a nice present!(省略 it is) How disappointed!(省略 she is)二.祈使句1.含义:表达说话人对对方的叮嘱、劝告、请求或命令等,往往有表示请求、命令、希望、禁止、劝告等意思。 2.特点:一般没有主语,实际上是省略了主语“You”句末用感叹号或句号,用降调朗读。肯定结构都以动词原形开头。3.句型:肯定句Do 型(以行为动词原形开头) 例:Sit down 坐下! Stand up 起立!Be 型(以 be 开头)例:Be quiet 安静! Let 型 (以 let 开头)例:Let me help you
38、. 让我来帮助你。 注:三种句型中 Do 型是最常见、最简单的一种结构。表示请求、劝告的祈使句还常常在句前或句末加上 Please, 构成句式:Please 或 Please 以使语气更加缓和或客气。例:Please stand up或 Stand up,please请站起来。 Please have a rest或 Have a rest,please请休息一下。 否定句结构:Dont动词原形例:Dont go there,please 请别去那儿。 12Dont be late 不要迟到。 Dont let him in 不要让他进来。 Dont let the water run int
39、o the room 不要让水流进屋里。主要语法(八)“也”的用法1. so、 neither 引导的简短回答结构so/neither + be 动词 + 主语例:Im a student. So is he. 我是一名学生,他也是。Im not a teacher. Neither is she. 我不是一名老师,她也(不)是。She is watching TV. So am I. 她正在看电视,我也是。We are not doing our homework. Neither are they. 我们没在做作业,他们也是。so/neither + 情态动词 + 主语例:I can sw
40、im. So can he. 我会游泳,他也会。I cant fly. Neither can she. 我不会飞,她也不会。so/neither + 助动词 + 主语 注:一般现在时助动词:do/does一般过去时助动词:did一般将来时助动词:will (过去将来时助动词:would)现在完成时助动词:have/has (过去完成时助动词:had )例: She dances very well. So do I. 她跳舞跳得很好, 我也是。He went to school yesterday. So did I. 他昨天去上学了,我也是。I will leave Shanghai to
41、morrow. So will he. 我明天要离开上海了,他也是。She has read for 3 hours. So have I. 她已经读了三小时书了,我也是。用法 当前一句话为肯定句 时,用 so 来回答。 当前一句话为否定句时,用 neither 来回答。2. too、either 的用法相同:都解释为“也”,放在句尾。区别:1. too 用于肯定句或疑问句例: I can swim. I can swim, tooI like singing. Do you like singing, too?2. either 只用于否定句例: I cant fly. I cant fly, either.