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小学四年级英语语法(4)

[02-03 18:02:40]   来源:http://www.99youjiao.com  四年级英语课外辅导   阅读:8687

概要:第四章 一般现在时态一、一般现在时的定义一般现在时是表示现在经常反复发生的动作,存在的状态或习惯性的动作的时态。二、一般现在时的结构一般现在时用行为动词的原形,但第三人称单数作主语时,动词的词尾要加-s 或- es。现在以连系动词be 和行为动词read为例,对一般现在时的肯定句、否定句、疑问句及其简略答语的构成以表格形式加以说明:动词肯定句否定句beI am …I am not …You/We/They are …You/We/They are not …He/She/It is ...He/She/It is not …readI/We/You/They read…I/We/You/They/ do not read …He/She/It reads …He/She/It does not read …动词疑问句简略答语(肯定)简略答语(否定)beAm I …?Yes , you are.No, you are not.Ar

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  第四章 一般现在时态

  一、一般现在时的定义

  一般现在时是表示现在经常反复发生的动作,存在的状态或习惯性的动作的时态。

  二、一般现在时的结构

  一般现在时用行为动词的原形,但第三人称单数作主语时,动词的词尾要加-s 或- es。现在以连系动词be 和行为动词read为例,对一般现在时的肯定句、否定句、疑问句及其简略答语的构成以表格形式加以说明:

  动词肯定句否定句

  beI am …I am not …

  You/We/They are …You/We/They are not …

  He/She/It is ...He/She/It is not …

  readI/We/You/They read…I/We/You/They/ do not read …

  He/She/It reads …He/She/It does not read …

  动词疑问句简略答语(肯定)简略答语(否定)

  beAm I …?Yes , you are.No, you are not.

  Are you …?Yes, I am/we are.No, I am/we are not.

  Are we …?Yes, we/you are.No, we/ you are not.

  Are they …?Yes, they are.No, they are not.

  Is he…?Yes, he is.No, he is not.

  Is she …?Yes, she is.No, she is not.

  Is it …?Yes, it is.No, it is not.

  readDo I / we / they read …?Yes, you / we / they do.No, you / we / they do not.

  Does he / she / it read … ?Yes, he / she / it does.No, he / she / it does not.

  连系动词be 的各种形式常与代词或not缩写成一个词。助动词do,does 一般只有与not 缩写。联系动词be缩写形式如下

  肯定缩写否定缩写

  I amI’mI am notI’m not

  You areYou’reYou are notYou’re not /You aren’t

  He isHe’sHe is notHe’s not /He isn’t

  She isShe’sShe is notShe’s not /She isn’t

  It isIt’sIt is notIt’s not / It isn’t

  We areWe’reWe are notWe’re not / We aren’t

  They areThey’reThey are notThey’re not / They aren’t

  动词do not 的缩写形式为don’t,does not 的缩写形式为doesn’t。

  二、 动词加-s 或-es (动词第三人称单数)

  当主语是第三人称单数时,谓语动词需加-s 或-es

  1. 一般在词尾加 –s

  例:work—works leave --- leaves swim --- swims

  2. 以字母s,x,ch,sh 或o结尾的词加-es

  例:pass--- passes fix ---fixes teach --- teaches do--- does

  3. 以辅音字母加y结尾的词,先变y为i再加-es

  例:study --- studies carry --- carries fly --- flies cry --- cries

  三、 一般现在时的用法

  1. 表示经常或习惯性的动作。常与often(经常), always(总是), sometimes(有时), every day(每天), on Sundays/Mondays 等表示频度的时间状语连用。

  一般现在时的时间状语有:today, often, sometimes, always, usually, every day ( week, month, year,…) , this year, once a week ( month, year,…) 一周(月,年)一次

  例句:I get up at 6 o’clock every day.

  He often goes to school by bike.

  2. 表示客观事实,普遍真理。

  例句:Two and two are four.二加二等于四。

  The earth moves around the sun.地球绕着太阳转。

  一般现在时态专项练习

  一、 写出下列动词的第三人称单数形式

  post

  eat

  stop

  jump

  golike

  visit

  pass

  rise

  readride

  have

  give

  write

  swimstudy

  watch

  fly

  teach

  do

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  二、 单项选择

  ( )1._____ you have a book ?

  A Do B. Are C. Is D. Have

  ( )2.Does Li Lei like to watch TV?

  ______________.

  A. Yes, he like. B. No, he doesn’t.

  C. Yes, he’d like. D. No, he likes.

  ( )3.She doesn’t ______ her homework in the afternoon.

  A. doing B. to do C. does D. do

  ( )4.How ____ Mr. Smith ______ to England?

  A. do, go B. is , go C. does, go D. does , goes

  ( )5. _____ she ______ home at six every day?

  A. Is , leave B. Does , leave C. Is , leaves D. Does , left

  三、 用下列动词的适当形式填空

  1.I ______ ( get ) up at 6 o’clock every day.

  2.My father ______ (have) a lovely dog.

  3.He ______ (go ) to school on foot.

  4.She ______ (do ) not like watching TV.

  5.They ______ (play) football every Sunday afternoon.

  四、 按要求完成下列各题

  1.Tomorrow is Saturday.(变成一般疑问句)

  _________ ________ Saturday ?

  2.Does he play basketball every weekend? (肯定回答)

  Yes, ______ _______.

  3.She looks like her sister.(变一般疑问句)

  _____ she ______ like her sister ?

  4.Peter and Sam look the same.(一般疑问句)

  ______ they _____ the same ?

  5.Do they always go to the movie (电影院) on Sundays ? (否定回答)

  No, _______ _______.

  五、英汉互译

  1. Tom经常放学后(after school)踢足球。

  __________________________________

  2. 我喜欢唱歌。

  __________________________________

  3. He often goes to school on foot.

  __________________________________

  4. Children like to play this game.

  __________________________________

  5. 今天是星期日。

  __________________________________

  能力测试卷 (一般现在时)

  一、 写出下列动词的第三人称单数形式

  go

  have

  swim

  study

  risestop

  do

  ride

  cry

  gowrite

  fly

  play

  read

  comebuy

  give

  watch

  work

  carry

  二、 用动词的适当形式填空

  1. He _______ (go) to school on foot.

  2. She _______ not like watching TV. (do)

  3. My father _______ (have) a lovely dog.

  4. I often ______ ( get ) up at six every morning.

  5. My mother _______ ( work) in a school.

  三、 英汉互译

  1. 他经常在周六的时候读英语。

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