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英語作文

初二上冊(cè)英語語法

時(shí)間:2022-10-26 07:45:58 英語作文 我要投稿
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初二上冊(cè)英語語法大全

初二上冊(cè)英語語法大全

初二上冊(cè)英語語法大全

  1) leave的用法

  1.“leave+地點(diǎn)”表示“離開某地”。例如:

  When did you leave Shanghai? 你什么時(shí)候離開上海的?

  2.“leave for+地點(diǎn)”表示“動(dòng)身去某地”。例如:

  Next Friday, Alice is leaving for London. 下周五,愛麗斯要去倫敦了。

  3.“leave+地點(diǎn)+for+地點(diǎn)”表示“離開某地去某地”。例如:

  Why are you leaving Shanghai for Beijing? 你為什么要離開上海去北京?

  2) 情態(tài)動(dòng)詞should“應(yīng)該”學(xué)會(huì)使用

  should作為情態(tài)動(dòng)詞用,常常表示意外、驚奇、不能理解等,有“竟會(huì)”的意思,例如:

  How should I know? 我怎么知道?

  Why should you be so late today? 你今天為什么來得這么晚?

  should有時(shí)表示應(yīng)當(dāng)做或發(fā)生的事,例如:

  We should help each other.我們應(yīng)當(dāng)互相幫助。

  我們?cè)谑褂脮r(shí)要注意以下幾點(diǎn):

  1. 用于表示“應(yīng)該”或“不應(yīng)該”的概念。常指長(zhǎng)輩教導(dǎo)或責(zé)備晚輩。例如:

  You should be here with clean hands. 你應(yīng)該把手洗干凈了再來。

  2.用于提出意見勸導(dǎo)別人。例如:

  You should go to the doctor if you feel ill. 如果感覺不舒服,你最好去看醫(yī)生。

  3. 用于表示可能性。should的這一用法是考試中常常出現(xiàn)的考點(diǎn)之一。例如:

  We should arrive by supper time. 我們?cè)谕盹埱熬湍艿搅恕?/p>

  She should be here any moment. 她隨時(shí)都可能來。

  3) What...? 與 Which...?

  1. what 與 which 都是疑問代詞,都可以指人或事物,但是what僅用來詢問職業(yè)。如:

  What is your father? 你父親是干什么的?

  該句相當(dāng)于:

  What does your father do?

  What is your father's job?

  Which 指代的是特定范圍內(nèi)的某一個(gè)人。如:

  ---Which is Peter? 哪個(gè)是皮特?

  ---The boy behind Mary. 瑪麗背后的那個(gè)男孩。

  2.What...? 是泛指,所指的事物沒有范圍的限制;而 Which...? 是特指,所指的事物有范圍的限制。如:

  What color do you like best?(所有顏色)你最喜愛什么顏色?

  Which color do you like best, blue, green or yellow?

  你最喜愛哪一種顏色? (有特定的范圍)

  3. what 與 which 后都可以接單、復(fù)數(shù)名詞和不可數(shù)名詞。如:

  Which pictures are from China? 哪些圖片來自中國?

  4) 頻度副詞的位置

  1.常見的頻度副詞有以下這些:

  always(總是,一直)

  usually(通常)

  often(常常,經(jīng)常)

  sometimes(有時(shí)候)

  never(從不)

  2.頻度副詞的位置:

  a.放在連系動(dòng)詞、助動(dòng)詞或情態(tài)動(dòng)詞后面。如:

  David is often arrives late for school.大衛(wèi)上學(xué)經(jīng)常遲到。

  b.放在行為動(dòng)詞前。如:

  We usually go to school at 7:10 every day.我們每天經(jīng)常在7:10去上學(xué)。

  c.有些頻度副詞可放在句首或句尾,用來表示強(qiáng)調(diào)。如:

  Sometimes I walk home, sometime I ride a bike.

  有時(shí)我步行回家,有時(shí)我騎自行車。

  3.never放在句首時(shí),主語、謂語動(dòng)詞要倒裝。如:

  Never have I been there.我從沒到過那兒。

  5) every day 與 everyday

  1. every day 作狀語,譯為“每一天”。如:

  We go to school at 7:10 every day.

  我們每天7:10去上學(xué)。

  I decide to read English every day.

  我決定每天讀英語。

  2. everyday 作定語,譯為“日常的”。

  She watches everyday English on TV after dinner.

  她晚飯后在電視上看日常英語。

  What's your everyday activity?  你的日常活動(dòng)是什么?

  6) 什么是助動(dòng)詞

  1.協(xié)助主要?jiǎng)釉~構(gòu)成謂語動(dòng)詞詞組的詞叫助動(dòng)詞(Auxiliary Verb)。被協(xié)助的動(dòng)詞稱作主要?jiǎng)釉~(Main Verb)。助動(dòng)詞自身沒有詞義,不可單獨(dú)使用。例如:

  He doesn't like English. 他不喜歡英語。

  (doesn't是助動(dòng)詞,無詞義;like是主要?jiǎng)釉~,有詞義)

  2.助動(dòng)詞協(xié)助主要?jiǎng)釉~完成以下功用,可以用來:

  a. 表示時(shí)態(tài),例如:

  He is singing. 他在唱歌。

  He has got married. 他已結(jié)婚。

  b. 表示語態(tài),例如:

  He was sent to England. 他被派往英國。

  c. 構(gòu)成疑問句,例如:

  Do you like college life? 你喜歡大學(xué)生活嗎?

  Did you study English before you came here?你來這兒之前學(xué)過英語嗎?

  d. 與否定副詞not合用,構(gòu)成否定句,例如:

  I don't like him.  我不喜歡他。

  e. 加強(qiáng)語氣,例如:

  Do come to the party tomorrow evening. 明天晚上一定來參加晚會(huì)。

  He did know that.  他的確知道那件事。

  3.最常用的助動(dòng)詞有:be, have, do, shall, will, should, would

  7) forget doing/to do與remember doing/to do

  1.forget to do忘記要去做某事(未做);forget doing忘記做過某事(已做)

  The light in the office is still on. He forgot to turn it off.

  辦公室的燈還在亮著,它忘記關(guān)了。(沒有做關(guān)燈的動(dòng)作)

  He forgot turning the light off.

  他忘記他已經(jīng)關(guān)了燈了。 ( 已做過關(guān)燈的動(dòng)作)

  Don't forget to come tomorrow.

  別忘了明天來。    (to come動(dòng)作未做)

  典型例題

  ---- The light in the office is still on.

  ---- Oh,I forgot___.

  A. turning it off  B. turn it off

  C. to turn it off  D. having turned it off

  答案:C。由the light is still on 可知燈亮著,即關(guān)燈的動(dòng)作沒有發(fā)生,因此用forget to do sth.而forget doing sth 表示燈已經(jīng)關(guān)上了,而自己忘記了這一事實(shí)。此處不符合題意。

  2.remember to do記得去做某事(未做);

  remember doing記得做過某事(已做)

  Remember to go to the post office after school.記著放學(xué)后去趟郵局。

  Don't you remember seeing the man before? 你不記得以前見過那個(gè)人嗎?

  8) It's for sb.和 It's of sb.

  1.for sb. 常用于表示事物的特征特點(diǎn),表示客觀形式的形容詞,如:

  easy, hard,difficult,interesting,impossible等:

  It's very hard for him to study two languages. 對(duì)他來說學(xué)兩門外語是很難的。

  2.of sb的句型一般用表示人物的性格,品德,表示主觀感情或態(tài)度的形容詞。如:

  good, kind, nice, clever, foolish, right。

  It's very nice of you to help me. 你來幫助我,你真是太好了。

  3.for 與of 的辨別方法:

  用介詞后面的代詞作主語,用介詞前邊的形容詞作表語,造個(gè)句子。如果道理上通順用of,不通則用for。如:

  You are nice. (通順,所以應(yīng)用of)。

  He is hard. (人是困難的,不通,因此應(yīng)用for。)

  9) 對(duì)兩個(gè)句子的提問

  新目標(biāo)英語在命題中有將對(duì)句子劃線提問這一題型取消的趨勢(shì),現(xiàn)在采取的作法是對(duì)一個(gè)句子進(jìn)行自由提問。例如:

  句子:The boy in blue has three pens.

  提問:1. Who has three pens?

  2. Which boy has three pens?

  3. What does the boy in blue have?

  4. How many pens does the boy in blue have?

  很顯然,學(xué)生多了更多的回答角度,也體現(xiàn)了考試的靈活性。再如:

  句子:He usually goes to the park with his friends at 8:00 on Sunday.

  提問:1. Who usually goes to the park with his friends at 8:00 on Sunday?

  2. Where does he usually go with his friends at 8:00 on Sunday?

  3. What does he usually do with his friends at 8:00 on Sunday?

  4. With whom does he usually go to the park at 8:00 on Sunday?

  5. What time does he usually go to the park with his friends on Sunday?

  6. When does he usually go to the park with his friends?

  10) so、such與不定冠詞的使用

  1.so與不定冠詞a、an連用,結(jié)構(gòu)為“so+形容詞+a/an+名詞”。如:

  He is so funny a boy.

  Jim has so big a house.

  2.such與不定冠詞a、an連用,結(jié)構(gòu)為“such+a/an+形容詞+名詞”。如:

  It is such a nice day.

  That was such an interesting story.

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