一般现在时课件.ppt

1、2021/3/91一般现在时v定义定义: 一般现在时。表示通常性、规律性、习一般现在时。表示通常性、规律性、习惯性的状态或者动作（有时间规律发生惯性的状态或者动作（有时间规律发生的事件）的一种时间状态的事件）的一种时间状态2021/3/92具体运用具体运用v1.表示经常的或习惯性的动作，常与表示频表示经常的或习惯性的动作，常与表示频率的时间状语连用。率的时间状语连用。 时间状语：时间状语： always, usually, every morning/night/evening/day/week/year,often,sometimes, twice a week,seldom,once a

2、month, on Sundays e.g. I leave home for school at 7:00 every morning.2021/3/93v2.表示客观事实和普遍真理。表示客观事实和普遍真理。 e.g The earth moves around the sun. Shanghai lies in the east of China. v3表示格言或警句中。表示格言或警句中。ve.g Pride goes before a fall.骄者必败。骄者必败。 注意：此用法如果出现在注意：此用法如果出现在宾语从句宾语从句中，即使主句是过去时，从句中，即使主句是过去时，从句谓语谓语也

3、要用也要用一般现在时。一般现在时。 v例：例：Columbus proved that the earth is round. 2021/3/94表达方法表达方法v主要通过主要通过谓语动词谓语动词的变化和用时间词语的变化和用时间词语来表示，其中最主要的是谓语动词的变来表示，其中最主要的是谓语动词的变化。一般现在时动词变化的规则是：化。一般现在时动词变化的规则是： 2021/3/951.如果主语是如果主语是名词复数名词复数和和第一人称第一人称I、 we ，谓，谓语动词不用做任何变化，即仍然用动词原语动词不用做任何变化，即仍然用动词原形表示：形表示： 肯定句肯定句 主语主语+动词原形动词原形+其他

4、其他 否定句否定句 主语主语+dont+动词原形动词原形+其他其他 一般疑问句一般疑问句 Do+主语主语+动词原形动词原形+其他其他 例例 1) We usually go to school at 7:30. 我们通常我们通常7:30上学去。上学去。go 2) My parents give ten yuan to my sister every week. 我父母每星期给我妹妹十元钱。我父母每星期给我妹妹十元钱。 2021/3/96v2.主语是任何一个单数名词或者是第三人称主语是任何一个单数名词或者是第三人称单数，谓语动词要进行必要的变化。特别单数，谓语动词要进行必要的变化。特别提一点：提

5、一点：不可数名词也算作单数处理不可数名词也算作单数处理。 肯定句肯定句: 主语主语+动词的第三人称单数动词的第三人称单数+其其他他 否定句否定句: 主语主语+doesnt+动词原形动词原形+其他其他 一般疑问句一般疑问句 : Does+主语主语+动词原形动词原形+其他其他 肯定回答肯定回答: Yes，主语，主语+does 否定回答否定回答: No，主语，主语+doesnt 特殊疑问句特殊疑问句: 特殊疑问词特殊疑问词+一般疑问句一般疑问句 2021/3/971、一般动词，在词尾加、一般动词，在词尾加 s ; 如：如： work-works, live-lives, play-plays, si

6、ng- sings. eg: She lives in Ningbo. 她住在宁波。她住在宁波。2、以、以/s/ /z/ 等音素结尾的动词，词尾加等音素结尾的动词，词尾加 -es ，如词尾为，如词尾为e， 只加只加-s. 读作读作 /iz /如：如： teach- teaches, wash- washes. eg: My mother washes the coat.我母亲洗了大衣。我母亲洗了大衣。行为动词行为动词do一般现在时一般现在时第三人称单（第三人称单（he,she,it) 的构成规则：的构成规则：动词变化规律动词变化规律2021/3/983.以辅音字母加以辅音字母加Y 结尾的词，把

7、结尾的词，把y变变i 在加在加es，读作读作ZStudy flystudiesflies4.以辅音字母以辅音字母+O结尾的词，一般情况是在词尾加结尾的词，一般情况是在词尾加es 读作读作Zgo do goesdoes5.特殊情况：特殊情况：have has 2021/3/99getsgoeslivesdraws2021/3/9101.Be 动词的否定式动词的否定式: be + notI am a teacher. You are a workerShe is a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a

8、doctor.We arent friends.is not=isntare not=arent 否定句否定句2021/3/911否定句型否定句型v1.谓语动词或助动词是谓语动词或助动词是 be、have或者情态动或者情态动词词can/may/must 等，在将助动词后加等，在将助动词后加not. I am not at college. Mr. Wang isnt 50 years old. The Jacksons doesnt have two sons. You may not go now. 2021/3/912v2.谓语动词是谓语动词是实义动词实义动词，是在谓语动词前加，是在谓语动

9、词前加do not 或或does not，谓语动词改用动词原，谓语动词改用动词原型。型。 I dont have lunch at home. They dont play basketball on the sportsground. Mr.Jimmy doesnt know French. 2021/3/913Ex1. 将下列各句从肯定式改为否定式将下列各句从肯定式改为否定式I talk to Peter because I like him.Kate comes from America. Kate works with PeterI am Chinese, and I am a stu

10、dent.They know each other.I dont talk to Peter because I dont like him.Kate doesnt come from America.Kate doesnt work with Peter.I am not Chinese, and I am not a studentThey dont know each other.2021/3/914疑问句型问句型v1.对于谓语动词或助动词是对于谓语动词或助动词是 be、have、can/may/must 等，将这些词移到主语前面。等，将这些词移到主语前面。 vAre you stude

11、nts？vYes, we are. / No, we arent. vIs Jane in the classroom? vYes, he is. / No, he isnt. vDoes the house have two rooms?vYes,it does / No, it doesnt. vIs there any water in the glass?vYes, there is. / No, there isnt. vCan you swim? vYes, I can. / No, I cant. 2021/3/915v2.谓语动词是实义动词，方法是在主语前加助谓语动词是实义动词

12、，方法是在主语前加助动词动词do或或does构成，句中动词要改用原型动词。构成，句中动词要改用原型动词。do用于第一人称和名词复数，用于第一人称和名词复数，does用于第三人用于第三人称单数和名词单数或不可数名词。称单数和名词单数或不可数名词。 vDo you know it？vYes, I do. / No, I dont. vDoes she have a pen？vYes, she does. / No, she hasnt.have 这里这里是实义动词是实义动词 vDo they play basketball after school? vYes, they do. / No, th

13、ey dont. 2021/3/916概念：用概念：用 yes 或或 no 来回答的疑问句叫做一般疑来回答的疑问句叫做一般疑问句。问句。III一般疑问句一般疑问句I am a teacher. You are a worker. He is a student. We are friends. 1.对于对于BE 动词，疑问句要求把动词，疑问句要求把BE 提前，第一人称的单数和复数提前，第一人称的单数和复数（I/WE），第一变成第二人称。），第一变成第二人称。疑疑问问句句Are you a teacher?Are you a worker?Is he a student?Are you frie

14、nds?2021/3/9172.对于实意动词，疑问句要求是：当主对于实意动词，疑问句要求是：当主语是他语是他(he)，她，她(she)，它，它(it)时，句子前时，句子前面加面加DOES，并把动词恢复原形；当主，并把动词恢复原形；当主语是其他人称时，句前加语是其他人称时，句前加DO ，第一人，第一人(I/we) 称换第二人称称换第二人称(you)。I often go there.You like the music.He goes to work by bus .We /You/They like it.Do you often go there ?Do you like the music

15、.?Does he go to work by bus ?Do you/they like it?2021/3/918Ex1.请做练习1.Her parents live in Shanghai .否否: Her parents_ in Shanghai.疑：疑： _ her parents_ in Shanghai?.2.You study English .否：否： You study English .疑：疑： you study English ? 3. How often Tom football?A.is ,play B. do,play C. does, play D.does,

16、plays dont liveDo liveDontDo C2021/3/919请把下列句子变成否定句和疑问句。请把下列句子变成否定句和疑问句。 The sun rises in the east.2.Tom gets up at six in the morning.The sun doesnt rise in the east.Does the sun rise in the east?Tom doesnt get up at six in the morning.Does Tom get up at six in the morning?2021/3/9203. They live in

17、 Shanhai.4. I am a student.They dont live in Shanhai.Do they live in Shanhai?I am not a student. Are you a student?2021/3/921. 特殊疑问句特殊疑问句特殊疑问句在考试中涉及的比较多，主要特殊疑问句在考试中涉及的比较多，主要以以选择选择和和转换句型转换句型为主，首先要掌握为主，首先要掌握一些一些常 用 疑 问 词 的 意 思常 用 疑 问 词 的 意 思 如 ：如 ： w h a t （ 什（ 什么）么）,when, what time（什么时间）（什么时间）, who（谁

18、）（谁）, where（在哪里）（在哪里）, why（为什么）（为什么）, how（怎样）（怎样）, how many+可数名词的复数可数名词的复数（多少），（多少）， how long（多长时间）（多长时间）, how often（多久一次）（多久一次） 等，其次掌握它的等，其次掌握它的语语序序，即就是特殊疑问词，即就是特殊疑问词+一般疑问句语序一般疑问句语序（Who）除外）除外2021/3/922一、疑问词一、疑问词+ 一般疑问句句序：一般疑问句句序：Where are you from? Im from the north.What do you want? I want the boo

19、ks on your desk.特殊疑问句的语序特殊疑问句的语序 2021/3/923二，与陈述句的语序同： （疑问词作主语或修饰主语) Who gives you the present. Mr. Wang gives me the present. What is in the box? Which is mine? Whose book is on the desk?2021/3/924 Tom goes to school every day by bike.1.就就Tom 提问提问 2.就就goes to school提问提问 3.就就by bike提问提问 Ex.请做练习。请做练习

20、。1.Who goes to school every day by bike?2.What does Tom do every day by bike ?3.How does Tom go to school every day? 2021/3/925Ex2. 将下列句子变成其否定句，并就斜体部分提问。将下列句子变成其否定句，并就斜体部分提问。 1. She comes from America.2. I usually go to school by bike. Does she come from America?She doesnt come from Ameica.Where doe

21、s she come from?I dont usually go to school by bike.Do you usually go to school by bike? How do you usually go to school ?2021/3/926V 选择疑问句选择疑问句选择疑问句选择疑问句: (直接回答，与直接回答，与YES 和和NO 无关）无关）1Does she work in a factory or in an office? 2Which do you like best, football, basketball or volleyball?Eg: Does sh

22、e play football or basketball? A.Yes, she does B. she plays football. C. No, she doesnt 2021/3/927.反意疑问句反意疑问句2021/3/928例如；例如； 1. She lives in Ningbo,_ ? 疑问句：疑问句：Does she live in Ningbo?2. They are students,_ ? Are they students?3.It seldom snows in kunming,_? Does it snow in kunming?arent theydoes i

23、tdoesnt she2021/3/929v1.I goes to school at six every day.v2.He dont like playing football.v3. They likes playing games.v4. Daming watchs TV in the evening.v5. Does he usually has a party?v6. What do they on Sunday? 7. What they eat in the party?v8. Lily haves lunch at school.改错题改错题2021/3/930v1.I go

24、 to school at six every day.v2.He doesnt like playing football.v3. They like playing games.v4. Daming watches TV in the evening.v5. Does he usually have a party?v6. What do they do on Sunday? 7. What do they eat in the party?v8. Lily has lunch at school.2021/3/931用所给动词的正确形式填空：用所给动词的正确形式填空：1.We often

25、 _(play) in the playground.2.She often _(watch) TV with her dog.3.The earth _(go) around the sun.4.My mother _look) after my little sister at home. 5. Lucy _(have) some friends here.6.Fang Ming _(not like )rice at all.7.We_(go)to school at 7:30 in the morning .8.Mary seldom _ (come) here. 9.Her uncl

26、e often _ (drive) to Beijing. 10.Tom _ (want) _ ( work) in Hainan. playwatcheslooksdoesnt likehasgocomeswantsdrivesto workgoes2021/3/9321._ you have a book ? A Do B. Are C. Is D. Have2.Does Li Lei like to watch TV? _.A. Yes, he like. B. No, he doesnt .C. Yes, hed like. D. No, he likes.3.She doesnt _

27、 her homework in the afternoon. A. doing B. to do C. does D. do4.How _ Mr. Smith _ to England? A. do, go B. is , go C. does, go D. does , goes 2021/3/9335. _ she _ home at six every day? A. Is , leave B. Does , leave C. Is , leaves D. Does , left6.I want_homework now. A .doing B. to do C.to do my D.

28、do my7.Its time_. A.go to school B.play games C.to go home D.to do my homeworks8_you _the blackboard? Yes,I can. A.Can, clean B.Am, cleaning C.Are, cleaning D.Do, clean9_go and help her. A.Lets me B.Lets us C.Lets D.Lets to2021/3/93410.Do they have a new car? Yes,_. A.they are B.they have C.they don

29、t D.they do11.He often _ supper at 6:00 in the evening. A. have B. has C. is having D. is eating12. Its 6 oclock in the morning. Its time _. A. get up B. gets up C. to get up D. gets up 2021/3/93513.The students will go to the Summer Palace if it _ tomorrow. A.dont rain B. doesnt rain C. wont rain D

30、. isnt rain14. There _ an English film next week. A.will have B. is going to have C. is going to be D. was going to be15. The picture _ nice. A.looks B.is looked C.look D.is looking2021/3/936 We often_(play) in the playgound.2. He _(get) up at six oclock.3. _you _(brush) your teeth every morning.4. What (do) _he usually (do)_ after school?5. Danny _ (study) English,Chinese,Maths,Science and Art an school. playgets bru