初中英语语法知识归纳

时间:2024-04-03 10:04:56 文圣 英语 我要投稿
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初中英语必备语法知识归纳

  英语是按照分布面积而言最流行的语言,但母语者数量是世界第三,仅次于汉语、西班牙语。下面小编为大家带来初中英语必备语法知识归纳,希望大家喜欢!

初中英语必备语法知识归纳

  冠词 a / an 的用法

  a用于辅音音素前 a useful book, a university

  an则用于元音音素前 an hour, an honest boy , an “A E F H I L M N O R S X”

  定冠词the的用法:

  1)特指双方都明白的人或物: Give me the book.

  2)上文提到过的人或事: ---Do you know the lady in blue? –Yes, she is a teacher of a university.

  3)指世上独一物二的事物the sun ( sky / moon/ earth/ world/ nature/ universe )

  4)单数名词连用表示一类事物,如:the dollar 美元; The lion is a wild animal.或与形容词或分词连用,表示一类人:the rich /poor/ blind/ aged / living / impossible

  5)用在序数词和形容词最高级,及形容词only,very, same等前面:I live on the second floor.

  6)用在表示身体部位的名词前: She caught me by the arm.

  7)用在表示乐器和表方位的名词之前:  She plays the piano violin guitar in the north of China

  8)用在普通名词构成专有名词前: the Peoples Republic of China  the United States the Great Wall the Summer Palace

  9) 用在姓氏的复数名词之前,表示一家人:the Greens are playing the piano.

  10) in the day, in the morning (afternoon,evening), in the middle (of), in the end, all the time at the same time on the whole, by the way, go to the cinema at he age of six at the beginning of the twenty-first century on the other side of at the moment the day after tomorrow  the day before yesterday, the next morning, in the sky (water,field,country) in the dark, in the rain

  不用定冠词的情况

  1) 国名,人名前通常不用定冠词:China , Europe 欧洲 Lei Feng 雷锋

  2)物质名词和抽象名词表示一般概念时,通常不加冠词;当表示特定的意思时,需要加定冠词Failure is the mother of success. 失败乃成功之母。

  3)在季节、月份、节日、 假日、日期、星期等表示时间的名词之前,不加冠词; Children’s Day Mother’s Day Father’s Day

  4)在称呼或表示官衔,职位的名词前不加冠词; He is captain of the team.

  5)在三餐、四季,球类运动、学科、娱乐运动的名称前,不加冠词 如:have breakfast /supper / lunch,play basketball / football / volleyball / chess , in spring/summer/ autumn/ winter

  被动语态的基本时态变化

  被动语态通常为十种时态的被动形式, 被动语态由be+过去分词构成,be随时态的变化而变化。以do为例,各种时态的被动语态形式为:

  1) am/is/are +done (过去分词) 一般现在时

  例:Visitors are requested not to touch the exhibits.

  2) has /have been done 现在完成时

  例:All the preparations for the task have been completed, and were ready to start.

  3) am/is /are being done 现在进行时

  例:A new cinema is being built here.

  4) was/were done 一般过去时

  例:I was given ten minutes to decide whether I should reject the offer.

  5) had been done 过去完成时

  例: By the end of last year, another new gymnasium had been completed in Beijing.

  6) was/were being done 过去进行时

  例:A meeting was being held when I was there.

  7) shall/will be done 一般将来时

  例:Hundreds of jobs will be lost if the factory closes.

  8) should/would be done 过去将来时

  例:The news would be sent to the soldiers mother as soon as it arrived.

  9) shall/will have been done 将来完成时(少用)

  例:The project will have been completed before July.

  被动语态的特殊结构形式

  1)带情态动词的被动结构。其形式为:情态动词+be+过去分词。

  例:The baby should be taken good care of by the baby-sitter.

  2) 有些动词可以有两个宾语,在用于被动结构时,可以把主动结构中的一个宾语变为主语,另一宾语仍然保留在谓语后面。通常变为主语的是间接宾语。

  例:His mother gave him a present for his birthday. 可改为 He was given a present by his mother for his birthday.

  3) 当“动词+宾语+宾语补足语”结构变为被动语态时,将宾语变为被动结构中的主语,其余不动。

  例:Someone caught the boy smoking a cigarette. 可改为The boy was caught smoking a cigarette.

  4)在使役动词have, make, get以及感官动词see, watch, notice, hear, feel, observe等后面不定式作宾语补语时,在主动结构中不定式to要省略,但变为被动结构时,要加to。

  例:Someone saw a stranger walk into the building. 可改为A stranger was seen to walk into the building.

  5) 有些相当于及物动词的动词词组,如“动词+介词”,“动词+副词”等,也可以用于被动结构,但要把它们看作一个整体,不能分开。其中的介词或副词也不能省略。

  例The meeting is to be put off till Friday.

  构词法

  英语构词法主要有:合成法、派生法和转换法。

  1、合成法:如:spaceship, headache, basketball, playground等等。

  2、派生法:

  (1)派生名词:①动词+er/or ②动词+ing ③动词+(t)ion ④形容词+ness ⑤其他,如:inventor, learner, swimming, congratulation, kindness, carelessness, knowledge

  (2)派生形容词:①名词+y ②名词+ful ③动词+ing/ed ④friendly ⑤dangerous ⑥Chinese; Japanese ⑦English ⑧French ⑨German ⑩国名+(i)an 如:snowy, sunny, hopeful, beautiful, interesting, following, daily(每日的),nervous, delicious

  (3)派生副词:①形容词+ly ②其它,如:slowly, angrily, full→fully, good→well, possible→possibly

  3、转换法:

  (1)形容词→动词,如:dry(干燥的)→dry(弄干), clean(干净的)→clean(打扫,弄干净),等等。

  (2)动词→名词,如:look, walk, rest, work, study, swim, go, talk等等。

  (3)名词→动词,如:hand(手)→(传递),face(脸)→(面对)等等。

  (4)形容词→副词,如:early→early, fast→fast等等。

  (5)副词→连词,如:when(什么时候)→(当……时候),等等。

  (6)介词→副词,如:in(到……里)→(在里面;在家),on(在…上)→(进行,继续)

  代词:

  1、代词的分类:英语中代词分为:人称代词、物主代词、反身代词、指示代词、关系代词、疑问代词、连接代词和不定代词等等。

  2、人称代词:人称代词代替人和事物的名称,分为主格和宾格两种形式。

  现在分词

  1. 形式:及物动词的现在分词有四种形式,即主动语态的一般式和完成式,被动语态的一般式和完成式。不及物动词只有前两种形式,它没有被动语态。

  2. 用法

  (1)作定语 The pot is full of boiling water. 壶里装满了沸腾的水。 Do you know the boy lying under the big tree? 你认识躺在大树底下的那个男孩吗? 现在分词作定语时,表示所修饰人或物的动作;而动名词作定语时,则表示这个东西是具有某种用途的。 现在分词 动名词 waiting car 等待着的汽车 waiting room 候车室 working people 劳动人民 working method 工作方法 sleeping child 睡着的小孩 sleeping car卧车

  (2)作宾语补足语 We found the story very interesting. 我们觉得这个故事很有趣。 I heard somebody breaking the windows. 我听到有人打破了窗户。

  (3)作表语 The news is very exciting. 这条消息很激动人心。 The story is very moving. 这个故事很感人。

  (4)作状语 They came home smiling and singing.他们笑着、唱着回了家。 Being ill, she had to stay at home.因为病了,她只好呆在家里

  动词的种类

  动词是表示动作或状态的词,按其词义和在句子中的作用可分为行为动词,连系动词,助动词和情态动词。

  1.行为动词

  行为动词可分为及物动词 (vt)和不及物动词(vi),及物动词表示动作或状态,有完整的词义,能单独作谓语,后跟宾语;不及物动词表示动作或状态,有完整的词义,能单独作谓语,但后面不能直接跟宾语,如要带宾语则与介词或副词构成短语。

  如:

  More and more people study English.(vt)

  The students are listening to the teacher carefully.(vi)

  2.连系动词

  连系动词本身有一定的词义,但不能独立作谓语,必须与表语一起构成谓语。常用的连系动词有 be, get, turn, become, look, feel, grow, seem, sound, taste, smell等。

  如:

  Our country is becoming stronger and stronger.

  It feels damp.

  3.助动词

  助动词本身无词义,不能单独作谓语,只能和主要动词一起构成谓语动词,表示否定,疑问及动词的时态、语态、人称和数等语法特征,助动词有 be,do,have,shall,will等。

  如:

  How do you usually come to school?

  The children are playing yo-yo now.

  4.情态动词

  情态动词本身有一定的意义,但不能独立作谓语,只能和主要动词原形一起构成谓语,表示说话人的语气和情态。情态动词没有人称和数的变化。情态动词有 can (could),may(might),must, need, ought to, dare等。

  如:

  Can I help you?

  - Must we go now? -No, you neednt .

  a. can与be able to的用法有所区别。can只用于一般现在时和过去时,指本身有能力的"能";be able to用于各种时态均可,指须经过努力而"能"。

  b. must与have/has to的用法。must表示说话人主观认为"必须",只用于一般现在时和一般将来时;have/has to表示客观需要,意为"不得不",它可用于各种时态。

  c.need和dare既可作情态动词也可作行为动词。

  以上对动词的种类知识的内容讲解学习,相信同学们已经能很好的掌握了吧,希望同学们在考试中取得很好的成绩。

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