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初中英语语法归纳(连词)

初中英语语法归纳(连词)
初中英语语法归纳(连词)

初中英语语法归纳:连词

初中英语学习最难的是语法,因为英语的语法跟汉语的语法有很大的不同。初中英语连词有很多种。下面为大家讲解一下初中英语连词的用法。

连词是一种虚词,它不能独立担任句子成分而只起连接词与词,短语与短语以及句与句的作用。连词主要可分为两类:并列连词和从属连词。

第一类表示并列关系的连词

并列连词:并列连词用来连接平行的词、词组和分句。

1)and 和

判断改错:

(错) They sat down and talk about something.

(错) They started to dance and sang.

(错) I saw two men sitting behind and whisper there.

(对) They sat down and talked about something.

(对) They started to dance and sing.

(对)I saw two men sitting behind and whispering there.

解析:

第一句:and 连接两个并列的谓语,所以talk 应改为talked。

第二句:and 连接两个并列的动词不定式,第二个不定式往往省略to,因此sang 应改为sing。

第三句:and 连接感观动词saw 后面的用作的宾补的两个并列分词结构,因此whisper应改为whispering。

注意:1. and 还可以和祈使句或名词词组连用表示条件。(or也有此用法)

Make up your mind, and you'll get the chance.

= If you make up your mind, you'll get the chance.

One more effort, and you'll succeed.

= If you make one more effort, you'll succeed

2, A and B 当表示整体或者指同一人时谓语动词用单数, 当and连接的单数名词前分别有each,every,many等词修饰时,谓语也用单数。

bread and butter a knife and fork

The mother and teacher is very strict with her son.

No teacher and no student is allowed to smoke in class.

3. and连接的是两个相同意思的词,表示“渐渐”,或加强语气

Read it again and again

2)both …and两者都

She plays (both) the piano and the guitar.

3) neither…nor 意思为"既不……也不……"谓语动词采用就近原则,与nor后的词保持一致。

Neither you nor he is to blame.

4)not only…but (also)不但······而且······

She plays not only the piano, but (also) the guitar.

注意:not only… but also 关联两个分句时,一个分句因有否定词not 而必须倒装。

Not only does he like reading stories, but also he can even write some.

5) as well as 以及,也,与···同样

The teacher, as well as the students, is interested in the activity.

比较and和or

1) 并列结构中,or通常用于否定句,and用于肯定句。

2) 但有时and 也可用于否定句。请注意其不同特点:

There is no air or water in the moon.

There is no air and no water on the moon.

在否定中并列结构用or 连接,但含有两个否定词的句子实际被看作是肯定结构,因此要用and。

第二类表示选择关系的连词

1) or意思为"或则"。

Which do you prefer, tea, coffee, or juice ?

2) either…or意思为"或者……或者……"。注意谓语动词采用就近原则。

Either you or I am right.

3) or else/ otherwise 否则

Be silent, or else you will be kicked out.

I am tired, otherwise, I would play.

第三类表示转折或对比关系的连词

1) but 但是He is rich but unhappy.

while 然而,表示对比意味Some people love cats, while others hate them.

yet 然而She said she would be late, yet she arrived on time.

however 然而,可是,不过She does not like him, however, I like him.

2) not…but… 意思为"不是……而是……"

not 和but 后面的用词要遵循一致原则。

They were not the bones of an animal, but (the bones) of a human being.

第四类表因果关系的连词

1) for 因为,做并列连词使用时,是在对先行的句子补述原因或者理由,只可以连接句子与句子,通常不置于句首。

He is absent today, for he is ill.

2) so, therefore 因此

He hurt his leg, so he couldn't play in the game.

I think, therefore I am

3)then 那么,因而

Hide behind the wall, then they won’t see you.

注意:

a. 两个并列连词不能连用,但therefore, then, yet.可以和并列连词连用。

You can watch TV, and or you can go to bed.

He hurt his leg, and so / and therefore he couldn't play in the game.

b. although… yet…,但although不与but连用。

(错)Although he was weak, but he tried his best to do the work..

(对)Although he was weak, yet he tried his best to do the work.

从属连词

从属连词不同与并列连词,只能用来引导从句,而不能引导词或者词组。从属连词一般可以引导名词性从句和状语从句。

第一类引导名词性从句的从属连词

1) that 引导宾语从句或间接引语时,可省略。引导主语从句时不可以省略。

He said (that) he would come. 宾语从句

His mother told me (that) he is a good boy. 间接引语

That she is still alive is true. 主语从句

2) if/whether 是否

I wonder if he is at home.

I ask him whether he would come.

注意:只可以用whether的情况

介词后面It will depend on whether it rains tomorrow.

whether···or not 固定搭配Let me know whether you come or not.

动词不定式前I don’t know whether to accept his advice.

第二类引导状语从句的从属连词

1) 连接时间状语从句的从属连词

before 在···之前The war had been over before he came to China.

after 在···之后He came to China after the war was over.

since 自从I have lived in this city since I was born.

when/while 当··· The teacher entered the classroom, when all the students were playing

When I came into this room, I found him lying bed asleep (while后接的动词是延续性的动词)

as 当··· I saw her as I was getting on the bus.

till/until 直到I didn’t go to sleep until/till I finish ed my homework.

as soon as 一···就··· As soon as he saw the policeman, the thief run away.

2) 连接地点状语从句的从属连词

where 在哪里There were lots of parks where I lived.

3) 连接原因状语从句的从属连词

because 原因,用于解释某事的原因,动机,强调直接原因和因果关系I do it because I like it.

for 表因为,表间接的原因,用于说明,解释I soon went to sleep, for I was tired since 表原因,比because弱,比as强,表一种已知的,显然的理由,常译为“既然as 表原因时,意义最弱As you are in poor health, you should do more exercises

4) 连接结果状语从句的从属连词

so···that···如此···以至于··· He is so kind that everybody likes him.

such···that··· He is such a kind man that everybody likes him

5) 连接目的状语从句的从属连词

that / so that / in order that 为了

Speak clearly that/so that/ in order that they may understand you.

6) 连接条件状语从句的从属连词

if 如果If it rains tomorrow, we won’t go on a picnic.

unless 除非(如果不) He will come unless it rains.

in case 万一You may call this number in case I am not at home

7)连接比较状语从句的从属连词

than 比It’s easier than I thought.

as/so···as···和···一样She is as tall as you.

He is not as/so tall as his wife.

8)连接方式状语从句的从属连词

as 按照Do as I told you.

Take things as they are.

as if / though 仿佛He behaves as if/though he was a child.

9)引导让步状语从句的从属连词

although/though 尽管Although Japan is small, the population is big.

even if 即便Even if it was snowing heavily, we went on running.

初中英语语法大全

初中英语语法大全 名词 一名词的定义:表示人、事物或抽象概念的名称的词。 二名词的分类: 名词可以分为专有名词(Proper Nouns)和普通名词 (Common Nouns),专有名词是某个(些)人,地方,机构等专有的名称,如Beijing,China等。普通名词是一类人或东西或是一个抽象概念的名词,如:book,sadness等。普通名词又可分为下面四类: 1)个体名词(Individual Nouns):表示某类人或东西中的个体,如:gun。 2)集体名词(Collective Nouns):表示若干个个体组成的集合体,如:family。 3)物质名词(Material Nouns):表示无法分为个体的实物,如:air。 4)抽象名词(Abstract Nouns):表示动作、状态、品质、感情等抽象概念,如:work。 注意 专有名词一般第一个字母要大写。专有名词前一般不加冠词。 名词的种类 注意 物质名词与抽象名词一般无法用数目来计算,称为不可数名词。不可数名词前不能加冠词a或an来表示量。 (三)名词的数 1.可数名词有单数和复数两种形式: 1.单数 英语中,如果我们要表示一本书、一只鸟、一棵树等概念时,要用名词的单数

形式,表示名词的单数,要在名词前加冠词a或an。 This is a desk . 这是一张书桌。 There is an orange on the table . 桌上有一个橘子。 an orange 一个橘子 an new orange (×)→ a new orange (○) 一个新橘子 a desk a old desk (×)→ an old desk (○) 一张旧课桌 关键字:初中英语语法大全初中英语语法总结初中英语语法辅导英语语法大全名词复数名词所有格复数冠词抽象名词 a和an的使用区别 a加在以辅音开头的名词前,如a book,a pen。 an加在以元音开头的名词前,如an egg,an apple。 注意 有时a,an后面紧接的不是单数名词,而是a (an) +形容词+单数名词的形式。 这时判断用a还是an来表示“一个”的概念时,要看形容词开头字母的发音,而不是看名词。 2.复数

初中英语语法之连词练习题

连词 (一) 正误辨析 1、[误]Both my parents are not here. They went to the concert just now. [正]Neither of my parents is here. They went to the concert just now. [析]在英语中both一般用于肯定句中,如用于否定句中,其意义也不同于汉语,如:Both of us are not right. 在英语中应被理解为"我们俩不都对。"而Neither of us is right。才能被理解为"我们俩无一正确"。 2、[误]He or his parents has some tickets for the film. [正]He or his parents have some tickets for the film. [析]由or 连接两主语时,谓语动词应与相临近的那一个主语保持一致。 3、[误]You should study hard, and you won't pass the exam. [正]You should study hard, or you won't pass the exam. [析]or作为连词,这里的意思为"否则"。又如:Hurry up, or you'll be late for school. 4、[误]Though he is poor, but he is ready to help others. [正]Though he is poor, he is ready to help others. [正]He is poor, but he is ready to help others. [析]"虽然……但是"是中文中的常用结构,但在英文中用了"虽然"则不要用"但是",用了"但是"则不能再用"虽然",二者只可用其一。 5、[误]Either you or I are on duty. [正]Either you or I am on duty. [析]either…or 连接两个主语时,其谓语动词与相临近的一个主语相呼应,这也叫作就近原则。类似的用法还有or, neither…nor, not only…but also等。 6、[误]Tom is our English teacher and teaching English in our school now. [正]Tom is our English teacher and is teaching English in our school now. [析]并列句中常常在后面的句子中作一些省略,以免重复,但不是所有词都可作任意的省略的。当你连接的是两个系动词时,后面的那个系动词不可省略,也就是讲连接的部分不可省略。 7、[误]My father likes swimming and to collect stamps. [正]My father likes swimming and collecting stamps. [析]由并列连词连接的两个部分要保持相等的语法结构。如是动名词则都用动名词,如用不定式则都应用不定式,这是初学者要注意的一点。 8、[误]My father is reading a newspaper, I am doing my homework. [正]My father is reading a newspaper while I am doing my homework. [析]两个并列句中间不可用逗号连接,要用并列连词来连接。 9、[误]My father asked me that if I wanted to learn how to drive. [正]My father asked me if I wanted to learn how to drive. [析]宾语从句的连接词只能有一个不能重复使用。 10、[误]We will go both to Beijing and Shanghai. [正]We will go to both Beijing and Shanghai. [析]用both…and…作连接词时,其相连接的部分结构也要相同。 11、[误]Not only Mary but also her brothers is going to dance. [正]Not only Mary but also her brothers are going to dance. [析]由not only…but also…连接两个主语时,其重点在其后面的那一个主语,所以谓语形式应采用就近原则。

初中英语语法知识点总结

英语语法大全 初中英语语法学习提纲 一、词类、句子成分和构词法: 1、词类:英语词类分十种: 名词、形容词、代词、数词、冠词、动词、副词、介词、连词、感叹词。 1、名词(n.):表示人、事物、地点或抽象概念的名称。如:boy, morning, bag, ball, class, orange. 2、代词(pron.):主要用来代替名词。如:who, she, you, it . 3、形容词(adj..):表示人或事物的性质或特征。如:good, right, white, orange . 4、数词(num.):表示数目或事物的顺序。如:one, two, three, first, second, third, fourth. 5、动词(v.):表示动作或状态。如:am, is,are,have,see . 6、副词(adv.):修饰动词、形容词或其他副词,说明时间、地点、程度等如:now, very, here, often, quietly, slowly. 7、冠词(art..):用在名词前,帮助说明名词。如:a, an, the. 8、介词(prep.):表示它后面的名词或代词与其他句子成分的关系。如in, on, from, above, behind. 9、连词(conj.):用来连接词、短语或句子。如and, but, before .

10、感叹词(interj..)表示喜、怒、哀、乐等感情。如:oh, well, hi, hello. 2、句子成分:英语句子成分分为七种:主语、谓语、宾语、定语、状语、表语、宾语补足语。 1、主语是句子所要说的人或事物,回答是“谁”或者“什么”。通常用名词或代词担任。如:I’m Miss Green.(我是格林小姐) 2、谓语动词说明主语的动作或状态,回答“做(什么)”。主要由动词担任。如:Jack cleans the room every day. (杰克每天打扫房间) 3、表语在系动词之后,说明主语的身份或特征,回答是“什么”或者“怎么样”。通常由名词、代词或形容词担任。如:My name is Ping ping .(我的名字叫萍萍) 4、宾语表示及物动词的对象或结果,回答做的是“什么”。通常由名词或代词担任。 如:He can spell the word.(他能拼这个词) 有些及物动词带有两个宾语,一个指物,一个指人。指物的叫直接宾语,指人的叫间接宾语。间接宾语一般放在直接宾语的前面。如:He wrote me a letter . (他给我写了一封信) 有时可把介词to或for加在间接宾语前构成短语,放在直接宾语后面,来强调间接宾语。如:He wrote a letter to me . (他给我写了一封信) 5、定语修饰名词或代词,通常由形容词、代词、数词等担任。如: Shanghai is a big city .(上海是个大城市)

初中英语语法总结(完整)

英语时态讲解 【注】构成时态的助动词be (is, am, are), have (has), shall, will 等需根据主语的变化来选择。时态是英语中一个重要的语法范畴,它表示不同时间发生的动作或存在的状态以及动作发生或存在的方式。动作发生的时间可分为现在、过去、将来和过去将来四种形式,动作发生的方式可分为一般、完成、进行和完成进行四种形式。将时间形式和动作方式结合起来,就构成了以下 英语的时态是靠动词的变化和时间状语来表达的。英语中的时态共有十六种,但是常考的或较常用的只有9种。要掌握英语的时态和语态,必须掌握好英语中的助动词(do, be, have)和时间状语这两个核心问题。 1、一般现在时 主要用来表示人、事物的现在状况和特点;表示经常或习惯性的动作,句子中常有often, always, from time to time 等时间状语;表示客观规律和永恒真理等。 H e usually goes to work at 7 o’clock every morning. 他每天7点上班。 2、现在进行时 表说话时或目前一段时间内正在进行的活动:或表感情色彩,加强语气。与频率副词,如always,constantly,continually,again等连用表示说话人的某种感情色彩(赞叹、厌烦、埋怨等)。 We are having English class.

我们正在上英语课。 3、现在完成时 表示动作发生在过去,完成在过去,但强调与现在情况仍有联系,其结果或影响仍存在。 They have lived in Beijing for five years. 他们在北京已经住了5年了。 4.一般过去时 表在过去某个特定时间发生且完成的动作,或过去习惯性动作,不强调对现在的影响,只说明过去。常跟明确的过去时间连用,如:yesterday; last week; in 1945, at that time; once; during the war; before; a few days ago; He used to smoke a lot. 他过去抽烟比较厉害。 5. 过去进行时 表示过去某个时间点或某段时间内正在发生的动作。 Beijing was hosting the 29th Olympic Games in August 2008. 在2008年8月,北京正在举行29届奥运会。 6. 过去完成时 表示过去某个时间之前已经完成的动作,即过去完成时的动作发生在“过去的过去”,句中有明显的参照动作或时间状语,这种时态从来不孤立使用( before, after, by, up till ) They finished earlier than we had expected. 他们提前完成了(工作)。 7. 一般将来时 表在将来某个时间会发生的动作或情况。常和tomorrow, next year, in 2008等表示将来的时间状语连用。 I am leaving for Beijing tomorrow. 我明天就要离开北京。 8、将来进行时 表将来某个时间正在发生的动作,或按计划一定会发生的事情。 I’ll be doing my homework this time tomorrow. 明天这会我正在写作业。 9、将来完成时 表在将来某时刻之前业已完成的事情,时间状语非常明显。常用的时间状语一般用by+将来的时间。如:by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引导的副词从句。 By the end of next month, he will have traveled 1000 miles on foot. 到下个月底,他步行将达到1000英里。 英语共有十六个时态、四个体。(注:四个体为——一般、进行、完成、完成进行。) 英语中的四个体相当于法语、西班牙语以及所有印欧语系罗曼语族中的式,如:直陈式,命令式等。

最新初中英语语法知识—并列连词的全集汇编及解析

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