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1、精选优质文档-倾情为你奉上一般现在时讲解及练习来源:学而思英语网文章作者:学习2010-07-03 14:27:14标签:一、 定义与讲解一般现在时:表示经常性的事情,经常性的动作或一般性事实。时间状语:often 经常,usually通常,always 总是,every每个,sometimes 有时,at 在几点钟只有在第三人称单数用动词的“三单变化”,其他用动词的原形。三单变化:1.多数在动词后s play plays like likes(1)直接在动词词尾加-s.ask-asks work-works get-gets stay-stays(2)以字母s, x, ch, sh或o结尾的
2、动词,在词尾直接加-es.watch-watches wish-wishes fix-fixes do-doesgo-goes pass-passes(3)以“辅音字母加 - y”结尾的动词,要先变y为i再加-es.try-tries study-studies cry-cries fly-flies2.不规则变化:be- is are have-has二、一般现在时用法1. 表示经常性,习惯性,永久性的动作或存在的状态.通常与副词sometimes, often, usually, always, every day (year, month ), once (twice, three ti
3、mes) a day,等时间状语连用。They usually go to school by bike.I take the medicine three times a day.She helps her mother once a week.Marys father is a policeman.There are 50 students in my class.2. 表示客观真理,科学原理,自然现象,等客观事实或格言,谚语等。 The sun rises in the east and sets in the west every day. The man who has never
4、been to the Great Wall is not a real man. Tomorrow is Tuesday.三、一般现在时的句子转换:(1)当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句. 例:陈述句:She is a student.疑问句 Is she a student?否定句 She is not a student.陈述句:I can swim.疑问句 Can you swim否定句 I can not swim.(2) 当句子中即没有be动词,也没有情态动词时,则在
5、主语前加助动词do (you,以及复数), does(单数she,he,it)变成问句;在主语后谓语动词前加助动词dont(I,you,以及复数), doesnt(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。例:陈述句:We get up at 7:00 every morning.疑问句Do you get up at 7:00 every morning?否定句We dont get up at 7:00 every morning.陈述句:She has a little brother. 疑问句 Does she have a little brother?否定句
6、 She doesnt have a little brother.(一)用动词的适当形式填空1. She _(go) to school at seven oclock.2. Its 6 oclock. They are _ (eat) supper.3. He usually _ up at 17:00.(get )4. She _ (live) in Beijing.5. Amy _ (be) here just now.6. _ (be)there a fly on the table just now?7. My father _ (watch) TV every evening .
7、8. My father _ (make) toys these days.9?_ Amy _ (read) English every day10. Chen Jie sometimes _(go)to the park with her sister.(二).选择填空1I want_homework now. A. doing B. to do C. to do my D. do my2Its time_.A. go to school B. play games C. to go home D. to do my homeworks3_go and help her. A. Lets m
8、e B. Lets us C. Lets D. Lets to4Do they have a new car? Yes,_.A .they are B.they have C. they dont D. they do5He often _ supper at 6:00 in the evening.A. have B. has c. is having D. is eating6. We _ any Chinese classes on Friday.A. are having B. arent having C. dont have D. are have(三)、用括号内动词的适当形式填空
9、。1. He often _ (have) dinner at home.2. Daniel and Tommy _ (be) in Class One.3. We _ (not watch) TV on Monday.4. Nick_ (not go) to the zoo on Sunday.5. they _ (like) the World Cup?6. What they often_ (do) on Saturdays?7. your parents _ (read) newspapers every day?8. The girl _ (teach) us English on
10、Sundays.9. She and I _ (take) a walk together every evening.10. There _ (be) some water in the bottle.11. Mike_ (like) cooking.12. They _ (have) the same hobby.13. My aunt _ (look) after her baby carefully.14. You always _ (do) your homework well.15. I _ (be) ill. Im staying in bed.16. She _ (go) to
11、 school from Monday to Friday.17. Liu Tao _ (do) not like PE.18. The child often _ (watch) TV in the evening.19. Wang Kai and Wang li_ (have) eight lessons this term.20. What day _ (be) it today? Its Saturday.1. We often_(play) in the playgound.2. He _(get) up at six oclock.3. _you _(brush) your tee
12、th every morning.4. What _(do) he usually (do) after school?5. Danny_(study) English,Chinese,Maths,Science and Art an school.6. Mike sometimes _(go) to the park with his sister.7. At eight at night, she _(watch) TV with his parents.8. _ Mike_(read) English every day?9. How many lessons_your classmat
13、e_(have) on Monday?10.What time_his mother_(do) the housework?1. Do you often play football after school? (肯定回答)2. I have many books. (改为否定句)3. Gao Shans sister likes playing table tennis (改为否定句)4. She lives in a small town near New York. (改为一般疑问句)5. I watch TV every day. (改为一般疑问句)6. David has got a
14、 goal. (改为一般疑问句)7. We have four lessons.(否定句)8. Nancy doesnt run fast (肯定句)9. My dog runs fast. 否定句: 一般疑问句:10. Mike has two letters for him.一般疑问句: 否定句:11. I usually (play football )on Friday afternoon.否定句:一般疑问句:括号内容提问12. Su Yang usually washes some clothes on Saturday.否定句:一般疑问句:划线提问:13. Mingming usu
15、ally waters the flowers every day否定句:一般疑问句:划线提问14. Tom does his homework at home.否定句:一般疑问句:划线提问一般现在时的用法同学们,大家学习了一般现在时的用法,下面咱们来归纳一下: 1概念:一般现在时表示经常的、习惯性的动作或存在的状态。 2构成:一般现在时的构成主要有两种形式: (1)be型:句子的只有be(am,is或are): a中,只出现be,如: I am a student我是一名学生。 b否定句中,要在be后面加not,如: She isnt a teacher她不是教师。 c,要将be放在句子开头
16、(注意句首字母大写),句尾用问号,答语用Yes,主语+be或No,主语+be+not如: Are you ready?你准备好了吗? Yes,I am是的,我准备好了。 (No,Im not不,我没准备好。) (2)型:句中的为(也叫): a中,只出现,如: I get up in the morning我早晨起床。 b否定句中,要在实义动词前面加do(does)not,do(does)作,本身无意义,常与not缩写成dont(doesnt),如: I dont like vegetables我不喜欢蔬菜。 c,要在句子开头加Do(does),句尾用问号,简略答语用Yes,主语+do(does
17、)或No,主语+do(does)not如: Do you like oranges?你喜欢吗? Yes,I do是的,我喜欢。 (No,I dont不,我不喜欢。) 11.1 一般现在时的用法 1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。 时间状语: every, sometimes, at, on Sunday I leave home for school at 7 every morning.2) ,客观存在,。 The earth moves around the sun. Shanghai lies in the east of China.3) 表示格言或警句中。 P
18、ride goes before a fall. 骄者必败。 注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。例:Columbus proved that the earth is round.4) 现在时刻的状态、能力、性格、个性。 I dont want so much. Ann Wang writes good English but does not speak well.比较:Now I put the sugar in the cup. I am doing my homework now. 第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示
19、言行的瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。一、 定义与讲解一般现在时:表示经常性的事情,经常性的动作或一般性事实。时间状语:often 经常,usually通常,always 总是,every每个,sometimes 有时,at 在几点钟只有在第三人称单数用动词的“三单变化”,其他用动词的原形。三单变化:1.多数在动词后s play plays like likes(1)直接在动词词尾加-s.ask-asks work-wo
20、rks get-gets stay-stays(2)以字母s, x, ch, sh或o结尾的动词,在词尾直接加-es.watch-watches wish-wishes fix-fixes do-doesgo-goes pass-passes(3)以“辅音字母加 - y”结尾的动词,要先变y为i再加-es.try-tries study-studies cry-cries fly-flies情况构成方法读音例词一般情况加 -s清辅音后读/s/ 浊辅音和元音后读/z/swim-swims;help-helps;like-likes以辅音字母+o结尾的词加 -es读/z/goes,does以s,s
21、h,ch,x等结尾的词加 -es读/iz/watches,washes以辅音字母+y结尾的词变y 为i再加es读/z/study-studies不规则变化have和be动词变have 为 has变be为am,is,arehave-has be-am,is,are2.不规则变化:be- is are have-has二、一般现在时的用法表示经常性或习惯性的动作或存在的状态;表示客观事实或普遍真理;在时间、条件等状语从句中,用现在时表示将来;在某些以here,there开头的句子中,用一般现在时表示正在发生的动作当主语是第三人称单数时:1、动词变相应的第三人称单数形式2、肯定句主语+动词s+其它3
22、、否定句主语+doesnt+动词原形+其它4、一般疑问句Does+主语+动词原形+其它5、肯定回答 Yes,主语+does6、否定回答 No,主语+doesnt7、特殊疑问句特殊疑问词+一般疑问句当主语不是第三人称单数时:1、肯定句 主语+动词原形+其它2、否定句 主语+dont+动词原形+其它3、一般疑问句 Do+主语+动词原形+其它4、要注意,句式结构错则全都错。5、谓语动词的形式:do/does三、一般现在时的结构一般现在时的结构肯定式疑问式否定式否定疑问式I work.Do you work?I dont work.Dont you work?You work.Do you work?You dont work.Dont you work?We work.Do you work?We dont work.Dont you work?They work.Do they work?They dont work.Dont they work?He(She,It) works.Does he(she,it) work?He(She,It) doesnt work.Doesnt he(she it) work?专心-专注-专业