行为动词(一般现在时)课件.ppt

1、 The Simple Present Tense The Simple Present Tense 一般现在时态 Belinda一、什么是行为动词一、什么是行为动词n行为动词指除行为动词指除be be动词、情态动词和动词、情态动词和助动词外，一切可以单独作谓语的助动词外，一切可以单独作谓语的动词。动词动词。动词be be一般表示状态，而行一般表示状态，而行为动词大都用来表示动作，如为动词大都用来表示动作，如workwork，studystudy，swimswim等。等。二、行为动词一般现在时的构成二、行为动词一般现在时的构成n行为动词一般现在时须用动词原形表示，行为动词一般现在时须用动词原形

2、表示，但当主语是第三人称单数时，词尾须加但当主语是第三人称单数时，词尾须加-s-s或或-es-es，现以动词，现以动词workwork为例：为例：I IYouYou（你）（你）HeHeSheSheIt ItWeWeYouYou（你们）（你们）TheyTheywork.works.work.三、行为动词一般现在时第三人称三、行为动词一般现在时第三人称单数形式的构成单数形式的构成n行为动词一般现在时的第三人称单数形式的构成行为动词一般现在时的第三人称单数形式的构成方法和名词复数的构成方法完全一样。方法和名词复数的构成方法完全一样。n1 1）一般在动词原形后加）一般在动词原形后加s s：work w

3、ork works worksrun run runs runslive live lives livesn2 2）以）以s s,x,sh,ch x,sh,ch结尾的动词加结尾的动词加es es：finish finish finishes finishesteach teach teaches teacheswatch watch watches watchesguess guess guesses guessesfix fix fixes fixesmix mix mixes mixesn4 4）如词末为）如词末为o o，o o前为辅音字母，加前为辅音字母，加 es es：go go go

4、es goesdo do does doesn3 3）以辅音字母加）以辅音字母加y y结尾的动词变结尾的动词变y y 为为i i 再加再加es es：carry carry carries carriesfly fly flies flies但但play play plays plays的的y y 之前是元音字母，只加之前是元音字母，只加s s。总结规律：总结规律：n1.一般在词尾加一般在词尾加-s，清辅音后读作，清辅音后读作s，浊辅音和，浊辅音和元音后读作元音后读作z。如：。如：动词第三称单数：动词第三称单数：help(helps),play(plays)2.以以s,x,ch,sh结尾的词，

5、在词尾加结尾的词，在词尾加-es,原词尾原词尾已有已有e，一般只加，一般只加-s都读作都读作iz。如：。如：动词第三人称单数：动词第三人称单数：wash(washes),close(closes)3.以辅音字母加以辅音字母加-y结尾的词，先变结尾的词，先变y为为i，再加，再加-es，读作读作iz。如：。如：动词第三人称单数：动词第三人称单数：fly(flies),study(studies)四、行为动词一般现在时的基本用四、行为动词一般现在时的基本用法法n1 1）表示现在经常发生或习惯性的动作或状态：）表示现在经常发生或习惯性的动作或状态：I usually walk to school.I

6、usually walk to school.They work here.They work here.My grandfather watches TV every evening.My grandfather watches TV every evening.He goes to school by bus.He goes to school by bus.n2 2）表示客观事实或普遍真理：）表示客观事实或普遍真理：The sun rises in the east.The sun rises in the east.The earth moves round the sun.The e

7、arth moves round the sun.Two plus two makes four.Two plus two makes four.n3 3）表示主语的特征、性格、能力等：）表示主语的特征、性格、能力等：She sings well.She sings well.John and I love sports.John and I love sports.We work hard.We work hard.They all like me.They all like me.n注意：英语中的人称代词有主格和宾格之分。注意：英语中的人称代词有主格和宾格之分。主格人称代词在句中作主语；宾

8、格人称代词作主格人称代词在句中作主语；宾格人称代词作动词或介词宾语。一般现在时还常用在下列句动词或介词宾语。一般现在时还常用在下列句子中：子中：Here comes the bus.Here comes the bus.Here he comes.Here he comes.There goes the bell.There goes the bell.五、常与一般现在时搭配使用的五、常与一般现在时搭配使用的时间状语时间状语n1 1）表示时间频度的词语：）表示时间频度的词语：always always usuallyusuallyoftenoftensometimessometimeshard

9、lyhardlynevernevern2 2）与）与everyevery一起用的状语词组：一起用的状语词组：everyeverydaydayweekweekmonthmonthspringspringyearyearMondayMondayevery other day(=every two days)every other day(=every two days)every three hoursevery three hoursonce every two monthsonce every two monthsn3 3）其他）其他in inthe morningthe morningthe

10、 afternoonthe afternoonthe eveningthe eveningtwice a weektwice a week 主语主语（I/We/You/TheyI/We/You/They）+实义动词实义动词+其他其他 e.g.I e.g.I staystay at home on Saturdays.at home on Saturdays.They They havehave sports every day.sports every day.主语主语（He/She/ItHe/She/It）+实义动词三单现形式实义动词三单现形式+其他其他 e.g.He e.g.He stay

11、s stays at home on Saturdays.at home on Saturdays.Lucy Lucy has has sports every day.sports every day.实义动词的一般现在时肯定句实义动词的一般现在时肯定句 否定句：否定句：主语主语（I/We/You/TheyI/We/You/They）+dodo+notnot+动词原形动词原形+其他其他 e.g.I done.g.I dont stay at home on Saturdays.t stay at home on Saturdays.They don They dont have sports

12、 every day.t have sports every day.主语主语（He/She/ItHe/She/It）+does does+notnot+动词原形动词原形+其他其他 e.g.e.g.He doesnHe doesnt stay at home on Saturdays.t stay at home on Saturdays.n Lucy doesn Lucy doesnt have sports every day.t have sports every day.DoDo+主语主语（I/we/you/theyI/we/you/they）+动词原形动词原形+其他？其他？e.g.D

13、o you stay at home on Saturdays?e.g.Do you stay at home on Saturdays?Do they have sports every day?Do they have sports every day?DoesDoes+主语主语（he/she/ithe/she/it）+动词原形动词原形+其他？其他？e.g.Does he stay at home on Saturdays?e.g.Does he stay at home on Saturdays?Does Lucy have sports every day?Does Lucy have

14、 sports every day?一般疑问句一般疑问句 疑问词疑问词+do/doesdo/does+主语主语+动词原形动词原形+其他？其他？e.g.What do you want?What does she want?What time do you have lunch?What time does she have lunch?What do you do?What does she do?特殊疑问句特殊疑问句*如句中用了如句中用了nevernever（从不），（从不），hardlyhardly（很少、几乎（很少、几乎不）等词来表示否定意义，就不能再使用助动不）等词来表示否定意义，就不

15、能再使用助动词词dont dont 或或doesnt,doesnt,试比较：试比较：I I dontdont know you.know you.I I hardlyhardly know you.know you.I dont hardly know you.I dont hardly know you.(F)一般现在时用一般现在时用never,hardly never,hardly 表示否定意义时，如主表示否定意义时，如主语为第三人称单数，行为动词要加语为第三人称单数，行为动词要加-s-s 或或-es-es。试比较：。试比较：He He nevernever get gets s up e

16、arly.up early.He He hardlyhardly get gets s up early.up early.He He doesnt getdoesnt get up early on Sundays.up early on Sundays.The girl The girl hardlyhardly go goes es to school by bus.to school by bus.The girl The girl doesntdoesnt gogo to school by bus.to school by bus.另外，为了加强否定意义可在否定句中加另外，为了加强

17、否定意义可在否定句中加at all,at all,如如I I dontdont like the book like the book at allat all.用作助动词的用作助动词的dodo与用作行为动词的与用作行为动词的dodo1)do 1)do 用作行为动词一般表示用作行为动词一般表示“做做”、“干干”等意思，等意思，We We dodo morning exercises every day.morning exercises every day.Jack often Jack often doesdoes some washing on Sundays.some washing o

18、n Sundays.She never She never doesdoes her homework in the evening.her homework in the evening.2)do2)do用作助动词主要用来帮助构成疑问句、否定句用作助动词主要用来帮助构成疑问句、否定句或用于替代等。或用于替代等。DoDo you drive to work every day?(you drive to work every day?(帮助构成疑问句帮助构成疑问句)He He doesntdoesnt work on Sundays.(work on Sundays.(帮助构成否定句帮助构成否

19、定句)DoesDoes he like the job?he like the job?Yes,he Yes,he doesdoes.(.(用于替代用于替代)*区别区别dodo在以下句子中的不同功能在以下句子中的不同功能 DoDo you you dodo your lessons every day?your lessons every day?The students The students dontdont dodo their homework on their homework on Saturdays.Saturdays.n写出下列动词在句中的适当形式：写出下列动词在句中的适当形

20、式：1 1）We _(love)sports.We _(love)sports.2 2）She _(sing)well.She _(sing)well.3 3）Tom and John _(watch)TV every evening.Tom and John _(watch)TV every evening.4 4）My son _(go)to school by bike.My son _(go)to school by bike.5 5）Their teacher usually _(walk)to school.Their teacher usually _(walk)to schoo

21、l.6 6）Five plus two _(make)seven.Five plus two _(make)seven.7 7）They all _(like)him.They all _(like)him.8 8）The sun _(fall)in the west.The sun _(fall)in the west.lovesingswatchgoeswalksmakeslikefalls改错题：改错题：1.I goes to school at six every day.2.He dont like playing football.3.I am watch TV every day

22、.4.Daming watchs TV in the evening.5.Does he usually has a party?6.Our English doesnt likes music.7.Tony goes always to school at eight oclock.8.Does your parents like watching TV?9.Lily haves lunch at school.10.My sister doesnt her homework every._ _godoesnt去掉amwatcheshavelikealways goes_dohasdoesn

23、t do注意：我们用一般现在时进行表达时，注意：我们用一般现在时进行表达时，不能同时使用不能同时使用be动词和行为动词动词和行为动词4 4）His father and mother like watching TV.His father and mother like watching TV.5 5）She does her homework in the evening.She does her homework in the evening.6 6）The students do morning exercises every day.The students do morning exercises every day.将下列句子改为否定句和疑问句：将下列句子改为否定句和疑问句：1 1）They work in a factory.They work in a factory.2 2）Mary likes sports.Mary likes sports.3 3）The boys go to school on foot.The boys go to school on foot.将下列句子翻译成英文n1.我们学校仅有六个女老师。n2.躺在床上看书对你的眼睛有害。n3.她每天花很多时间和朋友玩游戏。n4.他经常向他的父母要钱。n5.你通常怎样解决你的烦恼。