一般现在时讲解及用法

1、般现在时的讲解及用法一、定义与讲解1, 定义：一般现在时，表示经常性的事悄，经常性的动作或一般性事实。2, 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。3： D第一人称（I, we）第二人称（you）第三人称（He,She,they,it,所有的g字名称）单数（一个人或事物）夏数（两彳、或两f以上的人或事物）第三人称 单数（第三方的单个的人或事物，除了 they）2）三单变化多数在动词（不是名词）后+ s eg: playplays likelikes（1 ）直接在动词词尾加-s.askasks workworks getgets staystays（2 ）以字8 s, x, c

2、h, sh或o结尾的动词,在词尾直接DH-es.watch一一一watches wish一一一wishes fix-fixes do-doesgo-goes pass-passes（3）以喘音字骨加-y”結尾的动词，要先变y为i再！lH-es.（捕音字母：除a,e,i,o,u 泌5个元音字骨外的21个字骨都是舖音字母；元音字Sstaystays playplays saysays buybuys舖 音字母 -y：try一一tries study-studies crycries flyflies、一般现在时的用法1, 经常性或习愤性的动作,常与表示频度的时间状语连用。时 间状 in : eve

3、ry day, sometimes, at., on Sunday, usually,once a weekI leave home for school at 7 every morning.2, 客观真IS,客观存在，科学事实。The earth goes around the sun.3, 表示恪言或警句中。Practice makes perfect.熟能生Pj。as： nt用法如果出现在宾培从句中，即使主旬是过去时，从句谓培也要用一般现在时。例:Columbus proved that the earth is round.4, 现在时刻的状态、能力、性恪、个性。Miss wang

4、writes good English but does not speak well.5, 在某些以here,there开头的旬子中，用一般现在时表示正在发生的动作。eg. Here comes a bus .公交 车来了a：与一般现在时连用的时间状培(表示时间的词或词组)(1 )表示濒率的副词:always,often,usually,sometimes.(2 )时 |5)状 ii ： on Sundays,every day ,every morning ,every year.(3 )表示顔率的询组:once a year,three times a week.动词有三种：实义动词，b

5、e动词，情态动词(初一未莎5)5, 一般现在时中，肖主培是第三人称单数，动词是实义动词(1 )动词变相应的第三人称单数形式(2) 肯定句主i§ +动词s+其它eg.(2011) Bill often gives money to the poor.(3) 否定句主iS+doesn't+S)词原形+其它eg. Bill often doesn't give money to the poor.(4) 一般覺冋旬Does+主培+动词原形+其它eg. Does bill often give money to the poor.肯定回答 Yes,主语 +does(Yes,h

6、e does)(6 )否定回答 No,主 i§+doesrTt(No,he doesn't)6, 当主培不是第三人称单数时(动词没有三单变化)，动词是实义动词(1 )肯定句主培+动词原形+其它egwant to marry you.(2) 否定句主iS+do”t+动词原形+其它egdorTt want to marry you.(3) 一般疑间句Do+主i§ +动词原形+其它eg.Do you want to marry me?肯定回苔 Yes, J 语 +do(Yes,l do.)否定回苔 No, J j§ +don't(No,l don'

7、;t.)be动词曲一般现在时有三种形式,9： am, is,areo1. 如果主培是第一人稀I时,be动词用amoEg.肯定旬：I am a student.我是一名学生。否定句：am not一般疑间句：Ami肯定/否定回答：Yes,i am. No i am not.2. 如果主ig是you （你，fii fl ）, they （他们,它fl,她们）或名词夏数（两个以上的人或物）W, be动词必须用ae。HU：肯定句，否定句，一般融问旬员肯定、否定回答You are my good friend.Tom and Lily are my good friends.They are my goo

8、d friends.are 与主语还可编写。如：We are= We're, They are =They're, You are = You're0而are与not可编写成aren't0如:They aren't students.他|）不是学生。但是am与not不能编写。3. 如果壬培是单数名词、不可数名词或单数第三人號代词（he, she, it）时，be 动词用is。肯定旬/否定旬/一般疑冋旬及肯定、否定的回答mother is a teacher.我的妈妈是一名老帅。He is a student.他是一名学生。is 也可与主培缩写，如：He

9、is = He's, My mother is = My mother's 等。但是 This is 不 可缩写。而is与not可缩写成isn'to#0：This isn*ta book.泄不是一本书。三.课堂竦习巩固1, 主蜡为第三人称单数肯定句：Hegets(get) up at six o1 clock.否定句：does” t ,get一般疑间句：Does he get up at six o' clock.(肯定，否定回答)2, 主语为第一人称Iget_(get)up at six o# clock. 否 定旬：I don1 t get up at si

10、x or clock.一般融问旬：Do you get up at six or clock.(肯定，否定回答)皿、课堂強化竦习（一）单顶选择题1, The picturenice.A. looks B. is looked C. look D. is looking2, Shedown and soon falls asleep.A. live B. lain C. laid D. sits3, The teacherus to come to school on time.A. ask B. asking C. asks D. asked4, John alwaysothers.A. he

11、lp B. helping C. helps D. to help5. Hefor eight hours every day.A. working B. to work C. works D. worked6. You, d betterat home andyour homework.A. to stay, do B. stay, do C. to stay, to do D. stay, to do7. He sits down anda rest.A. having B. have C. to have D. has& Uncle Wang nevera cake.A. mak

12、e B. to make C. making D. makes（二）句子改錯1. Is your brother speak English?2. Does he likes going fishing?3. He likes play games after class.4. Mr. Wu teachs us English.5. She don' t do her homework every evening.五.课后竦习(-)用动词的适当形式填空1. She(go) to school at seven o' clock.2. It* s 6 o* clock. They

13、 are(eat) supper.3. He usuallyup 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 .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

14、空1. I wanthomework now.A. doing B. to do C. to do my D. do my2. It's time.A. go to school B. play games C. to go home D. to domy homeworks3. you the blackboard? Yes, I am.A. Can, clean B. Am, cleaning C. Are, cleaning D.Doclean4. go and help her.A. Let's me B. Let's us C. Let's D. Le

15、t's to5. What are they doing? They arethings away.A. put B. puting C. putting D. carryD. they do6. Do they have a new car? Yes,.A .they are B.they have C. they don't7. He oftensupper at 6:00 in the evening.A. have B. hasc. is havingD. is eating8. It' s 6 o* clock in the morning. He .A. g

16、et up B. gets up C. is geting up D. is getting up9. What are you doing? I' mTV.A. watch B. watches C. to watch D. watching10. Weany Chinese classes on Friday.A. are having B. aren* t having C. don' t have D. are have11. Toman English class now.A. is having B. has C. having D. have12. Are you

17、 playing basketball? No, we.A. isn* t B. aren* t C. not D. don* t13. Listen! The girlin the room.A. sings B. singing C. is singing D. are singing14. The boy isto his teacher.A. saying B. speaking C. talking D. telling(三)用括号动词的适当形式填空。1. He often(have) dinner at home.2. Daniel and Tommy(be) in Class O

18、ne.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?& The girl(teach) us English on 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.