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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 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 like him?
Does the dog like bones?
★变否定句在主语及动词之间加doesn’t,动词变为原型
例:He doesn’t like books.
She doesn’t like him.
The dog doesn’t like bones.
★肯定回答及否定回答:
例:Yes, he does. No, he doesn’t.
Yes, she does. No, she doesn’t
Yes, it does. No, it doesn’t.
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。
其他人称及复数名词
例:I want to 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don’t.
例:You don’t want to have a bath.
We don’t have any meat.
The students don’t like smart teachers.
★肯定回答及否定回答
例:Yes, I do. No, I don’t.
Yes, we do. No, we don’t
Yes, they do. No, they don’t.
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 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
①表示感觉,感官的词
see, hear, like, love, want,
② have, has当”拥有”讲时没有进行时
3.一般过去时
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 butcher’s.
You were a student a year ago.
The teacher was very beautiful ten yearsago.
★变疑问句将be动词移动到句首
例:Were you at the butcher’s?
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 butcher’s.
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, 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 yesterday?
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 didn’t.
Yes, he did. No, he didn’t.
Yes, they 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)
They 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 have 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 notlost 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:I’ve 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tomorrow, 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
例:Will you go to America tomorrow?
Will 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, 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:After/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 hadn’t finished her homework.
★肯定回答及否定回答
例:Yes, she had. No, she hadn’t.
★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 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 bookcase.
They 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 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 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:
特殊疑问词+一般疑问句
What: 表示什么
例:What 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)
①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?
②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
①你是哪国人?
问:What nationality are you?
回答:I’m Chinese.
注意:回答用“国籍”
②你来自哪里?
问:Where are you from?
=Whre do you come from?
回答:I’m from China.
=I come from China.
注意:回答用“国家”
对职业的提问
What isyour 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 lovely, isnt it?
You don’t need that pen, do you?
5.否定疑问句
一般疑问句+否定词
例:Aren’t you lucky?
Don’t you want to have a rest?
(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 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 don’t 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:water,tea, bread, milk, rice
抽象的东西:love, beauty, coldness
特点:
① 不能用a, an修饰
② 不能加s
③ 和单数be动词或动词搭配
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 milk
a bar of chocolate two bars of chocolate
a loaf of bread two loaves of bread
a pound of sugar two pounds of sugar
2. 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则:
①一般情况+s
例:shop→shops
book→books
②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:fox→foxes
church→churches
bus→buses
dish→dishes
potato→potatoes
③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, radio→radios
④以f, fe结尾的,变f, fe为ves
例:life→lives
half→halves
shelf→shelves
city→cities
wife→wives
⑤以辅音字母+y结尾,变y为i+es
例:sky→skies
fly→flies
注:以元音字母+y结尾的则直接加ed
例:toy→toys
boy→boys
day→days
不规则变化的名词复数形式
例:man→men
woman→women
foot→feet
goose→geese
tooth→teeth
sheep→sheep
child→children
deer→deer
mouse→mice
国人复数变化:(部分)
口诀:中日不变英法变,其余s加后边
Chinese→Chinese
Japanese→Japanese
Englishman→Englishmen
Frenchman→Frenchmen
German→Germans
Italian→Italians
(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 loudly 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。
2.Must/have to的区别
①must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
②must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
3.must, may, might表示猜测:
①must do表示对现在事实的猜测
②must have done表示对过去事实的猜测
③must have been 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。
can’t/couldn’t表示不可能
4.need用法:
①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, Idon’t.
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 watered.
②Need在否定时做情态动词使用
例:You needn’t go so early. =You don’t need togo so early.
Must I clean the desk right now? No, youneedn’t. (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:①What+a(an)+(形容词)+单数可数名词+主语+谓语!
例:What a beautiful girl she is!
②What+(形容词)+可数名词复数或不可数名词+主语+谓语!
例:What kind women they 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,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:①一般没有主语,实际上是省略了主语“You”
②句末用感叹号或句号,用降调朗读。
③肯定结构都以动词原形开头。
3.句型:
★肯定句
①Do型(以行为动词原形开头)
例:Sit down坐下!
Stand up起立!
②Be型(以be开头)
例:Be quiet安静!
③Let型 (以let开头)
例:Let me help you. 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。
Dont be late. 不要迟到。
Dont let him in. 不要让他进来。
Dont let the water run into 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 swim. 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 tomorrow. 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, too
I like singing. Do you like singing, too?
2. either只用于否定句
例: I cant fly.I cant fly, either.
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