一般现在时的概念

1、一般现在时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。一般现在时的构成一般现在时的构成主要有两种形式：(1)be 型：句子的谓语动词只有be(am，is 或 are)：a.肯定句中，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.一般疑问句，要将be 放在句子开头(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

2、. 不，我没准备好。)(2)实义动词型 ：句中的谓语动词为实义动词(也叫行为动词)：a.肯定句中，只出现实义动词，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)作助动词， 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.一般疑问句，要在句子开头加助动词Do(does)，句尾用问号，简略答语用Yes，主语+do(does).或 No ，主语 +do(does)+not. 如： Do you like oranges

3、?你喜欢桔子吗? Yes， I do.是的，我喜欢。( No ， I dont. 不，我不喜欢。)3.一般现在时的用法1) 经常性或习惯性的动作，常与表示频度的时间状语连用，如：on Sunday等。I leave home for school at 7 every morning. 我每天早上7 点去上学。2) 客观真理，客观存在，科学事实。every , sometimes, at ,The earth moves around the sun. 地球绕着太阳。Shanghai lies in the east of China. 上海位于中国的东部。表示格言或警句中。Pride goe

4、s before a fall. 骄者必败。现在时刻的状态、能力、性格、个性。Xiao Wang writes good English but does not speak well.小王的英语书面表达能力比口语好。No. 1】一般现在时的定义及构成一般现在时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。构成 :主语 + 动词原形 +宾语一般现在时用行为动词的原形，但第三人称单数作主语时，动词要用第三人称单数形式。（一般的动词词尾+S。以 sh/ch/ss/x结尾的词 +es.以辅音字母Y 结尾的把Y 变成 i 再 +es。辅音字母 +o 结尾的 +es.特殊变化： have变为 h

5、as)【No. 2 】一般现在时的应用(1)在实际应用中，一般现在时常与以下时间状语联用：always, usually, often, sometimes, every week (day, year, month ), once a week, on Sundays例句：He usually plays football on Sundays.一般现在时练习一.用词的适当形式填空。1.What time_ his father_(do) the work?2.He _(get) up at five o clock.3._ you _(brush) your teeth every mor

6、ning.4.What _ ( do ) he usually _( do ) after school?5.Tom _ ( study ) English, Chinese, Maths, Science and Art at school.6. Kitty sometimes _(go) to the park with his sister.7.At eight at night, she _( watch ) TV with her parents.8. _ Mike_( read ) English every day?9.How many lessons_ your classma

7、tes_( have ) on Monday?10.We often_ ( play ) football in the playground.二选择() 1. _ you have a book?A. DoB. AreC. IsD. Have)2. They _ on a farm.A. workingB. is workC. workD. is worked) 3. Does Peter like to watch TV?_.A. Yes, he likeB. No, he doesn tC. Yes, hed likeD. No, he likes)4. She doesnt _ her

8、 homework in the afternoon.A. doingB. to doC. doesD. do)5. How _ Mr. Brown _ to America?A. do,goB. is,goC. does,goD. does,goes)6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. can t findD. cant look at)7. How _ he go to work?He _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;go

9、es)8. _ you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; I m notD. Are ; I aren t)9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leaves D. Does , left)10. Mr. Yang _ English this term.A. teaches ourB. teaches us C. teachs usD. teach our三按要求完成句子1.Tom does his h

10、omework at home.否定句 :_一般疑问句 :_2.She has a lot of work to do this week.(改一般疑问句 )_3.We have a big TV set in our house.(改为否定句 )_4.Does she have any English-Chinese dictionary?(作否定回答 )_5.Wehave some nice pictures.主(语改为he)_现在进行时的讲解与练习。可用来表示现在进行时的时间状语，常用的有：now, this week, at this moment，right now或者告诉你一个准确

11、的现在时间，或者用look, listen （常用于句子的开头，表示提醒听者注意正在发生的事情）（一）基本用法：（1）表示（说话瞬间）正在进行或发生的动作。I m visiting my friends now.也可表示当前一段时间内的活动或现阶段正在进行的动作或存在的状态。He is always working hard.他总是非常努力地工作。(表示赞扬 )等；2）谓语构成： be (am/ is/ are) v-ing （动词的现在分词）【注意】 be 动词要与主语的人称和数保持一致。如：I m watching TV now. 我现在正在看电视。 They re playing foo

12、tball. 他们正在踢足球。3）现在分词的构成。a.一般情况下在动词词尾加ing。go goingb.以不发音的e 结尾的动词，去掉have havingtake takingask e 加（问，询问）askinging。make（做，制造） makingwritelook looking（写）writingc.以一个辅音字母结尾的重读闭音节，双写最后一个字母，再加get gettingsit（坐）sitting put （放）-ing。puttingrun（跑） runningswim swimmingbegin（开始）beginningshop shoppingd.特殊形式lie-lyi

13、ngdie-dying（四）现在进行时态的肯定式、否定式、疑问式及简略回答。1）肯定式：主语 +be v-ing + 其他 He is running. 他正在跑。2）否定式：主语 +be not v-ing + 其他 He is not running.The students aren t cleaning the roomw.这no些学生现在没有在打扫房间。（3）一般问句： be 动词提前。“Be+主语+v-ing+ 其他？”肯定答语Yes，主语 be.否定答语 No ，主语 be not.Is he running?Yes, he is.No, he isn t.Are The stu

14、dents cleaning the room now?Yes, they are.No, they aren t.（4）特殊问句式：“疑问词 +be 主语 v-ing其他？”对谓语动词进行提问的： What be 主语 doing其他？What is the old man doing under the tree? 那个老人正在树下面做什么呢？对其他成份进行提问的，疑问词一般疑问句？Where is the boy swimming? 那个男孩正在哪里游泳？Who is she waiting for? 她正在等谁呢？五、现在进行时与一般现在时的区别（一）现在进行时表示动作的暂时性，而一般

15、现在时表示动作的习惯性和经常性 I am watching TV now. （暂时性）我现在在看电视。I watch TV every day. （经常性）我每天都看电视。（二）现在进行时可表示短暂性动作，而一般现在时表示长久性动作。Lucy is living in Beijing. （短时间居住）露西暂时住在北京。Lucy lives in Beijing. （长久性居住）露西在北京居住或生活。（三）现在进行时表示的动作可带有感情色彩，而一般现在时所表述的动作通常是事实。You re always forgetting the most important things.（责备）你总是爱忘

16、记最重要的事情。He is always helping others. （赞扬）他一直都在帮助他人。He often helps others. （事实）他经常帮助别人。（四）有些动词不能用进行时， know, understand, love, like, hate, wish, want, think, hope, have, believe, agree, hear, see, notice。这些动词通常用一般现在时表示说话时发生的动作。1)表示“拥有”的动词。如have (has) 等。例句： I have a nice bike now. (我现在有一辆漂亮的自行车。)不能说成 :

17、 I am having a nice bike now.有些表示感觉的感官动词。如： see, find, look (看起来 )，hear (听见 )等。例句： We see him. (我们看见他。 )不能说成： We are seeing him.但是，有些表示感觉的动词，如：listen to, look at 等可用现在进行时。如： They are listening to the teacher. 他(们在听老师讲课。)3)表示“喜欢”“厌恶”的动词。如：like, love, hate (讨厌 )等。例句： We love our country. (我们热爱祖国。)不可说

18、: We are loving our country.4)表示知识或脑力的动词。如：think, know, forget 等。例句： I think you are right. ( 我认为你是对的。)不能说成： I am thinking you are right.5)表示状态的be 动词“是”。例句： She is at home. 她(在家。 )不能说成： She is being at home.6)表示“希望”、“愿望”、“心愿”等的动词。如：want 等词。例句： I want to see her now. (我现在就想见到她。)不能说成： I am wanting to

19、see her now.【典型例题】一、用括号内所给单词的适当形式填空。Look! There _(be) a lot of people over there. What _they _ (do) now? What _ your mother _ (do)? She is a teacher.It _ (rain) heavily outside now. You must stay at home.Don t sing. The baby _(sleep).My brother _ (not like) playing basketball, but he _ (like) playin

20、g football. What _ you usually _ (do) on Sunday? I usually _ (stay) at home and _ (do) my homework.Listen! The girls _ (sing) in the next room.8.My sister _ (want) to be a teacher.9.It s seven o clock now. The Greens _ (have) supper.10. He often _ (swim) on Sundays. Look! He _ (swim) at the pool.二、单

21、项选择1.I want _ homework now.A. doingB. to doC. to do myD. do my2.It s time _.A. go to schoolB. play gamesC. to go homeD. to do my homeworks3.The boy is _ to his teacher.A. sayingB. speakingC. talkingD. telling4.I m _ a book in the room.A. watchingB. seeingC. readingD. looking5.Where _ he _ from?A. is

22、, comeB. do, comeC. does, comeD. is, from6.Do they have a new car? Yes, _.A. they areB. they haveC. they don tD. they do7.He often _ supper at 6:00 in the evening.A. haveB. hasC. is havingD. is eating8.It s 6 o clock in the morning. He _.A. get upB. gets upC. is geting upD. is getting up9.What are y

23、ou doing? I m _ TV.A. watchB. watchesC. to watchD. watching10. We _ any Chinese classes on Friday.A. are havingB. aren t havingC. don t haveD. are have11. Tom _ an English class now.A. is havingB. hasC. havingD. have12. Are you playing basketball? No, we _.A. isn tB. aren tC. notD. don t三、按要求改写句子The

24、 boy is playing basketball.否定句： _一般疑问句： _肯定回答： _否定回答： _对“ The boy”提问：2. Mrs. White is watching TV. （划线部分提问）_3. They are waiting for you at the library.（就划线部分提问）_4. they are doing housework .(分别改成一般疑问句和否定句)_5. The students are cleaning the classroom . (改一般疑问句并作肯定和否定回答)_一般现在时和现在进行时综合练习一、写出下列动词的第三人称单数形

25、式1.work_read_ clean_ write_2.teach_ wash_ guess_watch_3. go_do_photo_4.study_ fly_cry_play_5. have_二、写出下列动词的现在分词形式1.work_sing_play_ study_2. dance_ have_write_ take_3. run_ sit_ shop_swim_三、选择题练习1.Who _ over there now?A. singingB. are singC. is singingD. sing2.It s eight o clock. The students _ an E

26、nglish class.A. haveB. havingC. is having D. are having3.Listen! The baby _ in the next room.A. cryingB. criedC. is cryingD. cries4.Look! The twins _ new sweaters.A. are wearingB. wearingC. are wearD. is wearing5.Don t talk here. Grandparents _.A. is sleepingB. are sleepingC. sleepingD. sleep6.Tom i

27、s a worker. He _ in a factory. His sisters _ in a hospital.A. work/ workB. works/ workC. work/ works7.Who _ English best in your class?A. speakB. speaks C. speaking8.Mrs Read _ the windows every day.A. is cleaningB. cleanC. cleans9.We _ music and often _ to music.A. like/ listenB. likes/ listensC. l

28、ike/ are listening10. She _ up at six in the morning.A. getB. getsC. getting11. On Sunday he sometimes _ his clothes and sometimes _ some shopping.A. wash/ doB. is washing/ is doingC. washes/ doesThe twins usually _ milk and bread for breakfast, but Jim _ some coffee for it.A. have/ haveB. have/ has

29、C. has/ have13I want_homework now.A. doingB. to doC. to do myD. do my14Its time_.A. go to schoolC. to go homeB. play gamesD. to do my homeworks15_you_the blackboard?Yes,I am.A.Can, cleanB. Am, cleaningC. Are, cleaningD. Do, clean16_go and help her.A. Lets meB.Lets usC.LetsD. Lets toDo they have a ne

30、w car? Yes,_.A.they are B.they haveC.they dontD.they do18.He often _ supper at 6:00 in the evening.A. haveB. hasC. is having D. is eating19.It s 6 o clock in the morning. He _.A. get upB. gets upC. is geting upD. is getting up20.What are you doing? I m _TV.A. watchB. watchesC. to watchD. watching21.

31、We _ any Chinese classes on Friday.A. are havingB. aren t having C. don t haveD. have22.Tom _ an English class now.A. is havingB. hasC. havingD. have23.Are you playing basketball?No, we _.A. isnBt. aren t C. notD. don t24.Listen! The girl _ in the room.A. singsB. singingC. is singingD. are singing25

32、.Where _ he _ from?A. is, comeB. do, comeC. does, comeD. is , from26.Listen! They _ in the next room.A. singB. is singingC. are singingD. were singing27.Lucy is always busy. She _ only five hours every day.A. is sleepingB. will sleepC. would sleepD. sleeps28.It s eight o clock. The students _ an Eng

33、lish class.A. haveB. havingC. is havingD. are having29.-Is your father a doctor?-Yes, he is. He _ in Town Hospital.A. has workedB. is workingC. worksD. worked30.-Excuse me, where is Jim?-Oh, he _ dumplings in the kitchen.A. makesB. will makeC. is makingD. made31.Don t turn on the TV. Grandma _ now.A

34、. is sleepingB. will sleepC. sleptD. sleeps-_ you _ a book?-Yes, I am.A. Do; readB. Are; readC. Are; readingD. Are; looking33. Sometimes she _ in the day, but now she is _.A. works; workingB. working; workC. work; workingD. work; work34. Kate _, and the others _.A. sing; listenB. is singing; is listening C. sing; are listening D. is singing; arelistening-Tom _ the piano in the room.-Please ask him to come here.A. playB. playsC. playedD. is playing四、用所给词的适当形式填空My father always _(come) back from work very late.The teacher is busy. He _ (sleep) six h