小学英语四大时态课件.ppt
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- 小学英语 四大 时态 课件
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1、四种时态 一般现在时 现在进行时 将来时 过去时The earth goes around the sun.He jumped high on last Sports Day. Mary likes Chinese.Mary likes Chinese.Do you do your homework every day?Whos going to New York soon? It was Bens birthday last Friday.请说出以下句子的时态四种时态动词1.概念:表示_和_的词。2.英文表达: verb3.英文缩写: v.动作状态jump 跳run 跑I am a teac
2、her.She is a student.You are a boy.动作amisare状态Find verb in the following phrase.ride a bike fly a kite make a cake color the dog clean the road follow the nurse一般现在时 一般现在时:表示经常性的事情,习惯性的动作或一般性事实。时间状语: often 经常, usually通常, always 总是,every day每天,sometimes 有时等。 always,usually,often,sometimes, seldom和nev
3、er都是用来表示时间的频度副词,但它们所表示的动作频率不同。 通常说来,always表示100%,usually表示80%,often表示60%,sometimes表示40%,seldom表示20%,never表示0%。 Sun Mon Tue Wed ThurFriSat句子结构:1.主语+is/am/are+其他 2.主语(非单三非单三)+动词原形+其他 3.主语(单三单三)+动词s或es+其他非单三非单三:I, you, we, they, 复数。单三单三:he, she, it, 单个人,单个物。第一人称第一人称 :我,我们(:我,我们(I,we)第二人称:你,你们(第二人称:你,你们
4、(you)第三人称:除了第一第二人称,其他都是第三人称:除了第一第二人称,其他都是第第三三人称人称单单数:数:男他男他,女她女她,动物它动物它(he.she.it),某人,某物,某件事某人,某物,某件事he .she. itEric .Jennymy unclea dog. a deskthe baseballmy school第三人称单数第三人称单数你能分辨出第三人称单数吗?this5 orangesshe ice-creamtheythe boyitthose sheBob and Tomwe his fatherIthe catsome breadmy grandparents一般现在时
5、 动词变单三:1) 直接加s, 如: come-comes2)以o, x, s, sh, ch 结尾+es , 如: do-does, wash-washes,go-goes3) 辅音字母加y结尾,把y改为i ,+es, 如:fly-flies, worry-worries, carry-carries4) 特殊: have-has一般现在时 1.go- 2.get- e- 4.put- 5.have- 6.see - 7.take- 8.do- 9.read- 10.know- 11.buy- 12.say- goesgetscomesputshasseestakesdoes readskn
6、owsbuyssays1.I _ three friends in England.2. They_ a big room.3. Helen _ two cats.4. Jack and Cindy _ a son.5. She _ a big apple.6.Do you_ a bag ?7.Bobs brother _a nice watch.havehavehashavehashave用用 have or has 填空。填空。第三人称单数用第三人称单数用has,非第三人称单数和复数用,非第三人称单数和复数用have.has1.I _ pears very much.2. They_ th
7、eir school.3. Helen _ vegetables. 4. Jack and Cindy _ bread.5. She _hamburgers with chicken.6. Does he_ fruit ?7.Bobs brother _carrots.用用 like or likes 填空填空。likelikelikelikeslikeslikelikesI like apples.I eat bananas.I need a book.I play soccer.I call Mary.I ask teacher.She likes apples.She eats bana
8、nas.She _a book. She _soccer.She _Mary.She _teacher.needsplayscallsasksI have a baseball.She has a baseball.Do you have a pen?Does she have a pen?I go to school.She goes to school 陈述句:用于说明一个事实或表达说话人的看法或观点的句子。 陈述句陈述句分为肯定句肯定句和否定句否定句。 肯定句肯定句表示肯定的意义; I am a teacher. I like apples. 否定句否定句表示否定意义,句中有否定词not
9、, never等,表示“不”的意思。 I am not a teacher. I dont like apples.肯定句和否定句之间的转换肯定句和否定句之间的转换1. 如果肯定句中有如果肯定句中有be动词(动词(am, is, are, )或者情态动词,只需在或者情态动词,只需在be动词或者情态动动词或者情态动词之后加词之后加not即可得到相应的否定句。即可得到相应的否定句。2. 如果句子中没有如果句子中没有be动词或者情态动词,动词或者情态动词,则需要借助则需要借助助动词助动词do、does,将,将not放在它放在它的后面,并将句中实义动词变为原形。的后面,并将句中实义动词变为原形。 注意
10、:注意:do, does, 后面必须后面必须使用动词原形。使用动词原形。肯定句和否定句之间的转换肯定句和否定句之间的转换 My father is a taxi driver. My father is not (isnt) a taxi driver. There are some apples on the table. There are not (arent) any apples on the table. He can play football very well. He can not (cant) play football very well.More Examples I
11、 like listening to pop music. I dont (do not) like listening to pop music. He goes to work every morning. He doesnt (dose not) go to work every morning. Linda drives to school every day. Linda doesnt (does not) drive to school every day.1.I _ pears very much.2. They_ their school.3. Helen _ vegetabl
12、es. 4. Jack and Cindy _ bread.5. She _hamburgers.6.Bobs brother _carrots and rice.likelikelikeslikeslikelikes改为否定句改为否定句1. I like the schoolbag.2. He likes fruit.3. They eat bread.4. Helen eats chicken.5. My father plays soccer.6. I want to watch TV.7. She wants to have lunch.8. Eric goes to school.9
13、. We think about food.10.Paul helps his classmates.改为否定句改为否定句 一般疑问句一般疑问句:一般疑问句是指可以直接用yes或no来回答的疑问句,这种疑问句句末多用升调。 如: Is this your handbag? -Yes ,it is. / - No ,it is not. Do you like apples? -Yes ,I do. / - No ,I do not. 一般疑问句的基本结构一般疑问句的基本结构: be动词/助动词/情态动词+主语+谓语/表语+其他? 一般疑问句的回答一般疑问句的回答: Yes ,主语+ be动词/
14、助动词/情态动词 No ,主语+ be动词/助动词/情态动词+not1. I like the schoolbag.2. He likes fruit.3. They eat bread.4. Helen eats chicken.5. My father plays soccer.6. I want to watch TV.7. She wants to have lunch.8. Eric goes to school.9. We think about food.10.Paul helps his classmates.改为一般疑问句改为一般疑问句1.I _ pears very muc
15、h.2. They_ their school.3. Helen _ vegetables. 4. Jack and Cindy _ bread.5. She _hamburgers.6.Bobs brother _carrots and rice.likelikelikeslikeslikelikes改为一般疑问句,并肯定改为一般疑问句,并肯定/否定回答否定回答一般现在时(1)当句子中有be动词或情态动词时 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 yo
16、u swim否定句 I can not swim.一般现在时 (2) 当句子中即没有当句子中即没有be动词,也没有情态动词时动词,也没有情态动词时 陈述句:陈述句:We get up at 7:00 every morning.疑问句疑问句Do you get up at 7:00 every morning? 肯定回答:肯定回答:Yes,we do. 否定回答:否定回答:No,we dont.否定句否定句We dont get up at 7:00 every morning.陈述句:陈述句:She has a little brother.疑问句疑问句 Does she have a li
17、ttle brother? 肯定回答:肯定回答:Yes, she does. 否定回答:否定回答:No, she doesnt.否定句否定句 She doesnt have a little brother. 肯定句,否定句和一般疑问句之间转化的步骤 1仔细审题仔细审题 2看句子中含有哪类动词看句子中含有哪类动词 3复查复查一般现在时 1. She is a girl.否定句:一般疑问句: 肯定回答:否定回答:She isnt a girl.Is she a girl?Yes, she is.No, she isnt.一般现在时 2. He often goes to school at se
18、ven .否定句: 一般疑问句: He doesnt often go to school at seven .Does he often go to school at seven?肯定回答:Yes,he does.否定回答:No,he doesnt. I have a baseball. (否定句) I _ have a baseball.(一般疑问句) _ you _ a baseball?(肯定回答) Yes, I _. (否定回答) No, I _. She has a tennis ball. (否定句) She _ _ a baseball.(一般疑问句) _ she _ a b
19、aseball?(肯定回答) Yes, she _. (否定回答) No, she _.dontDohavedodontdoesnt haveDoeshavedoesdoesnt选择题 ( )1.Tom is a worker. He _ in a factory. His sisters _ in a hospital. work, work B. works, work C. work, works ( )2. Who _ English best in your class? speak B. speaks C. speaking ( )3. He often _ the windows
20、 . A. is cleaning B. clean C. cleans ( )4. We _ music and often _ to music. like, listen B. likes, listens C. like, are listening BBCA ( )5. She sometimes _ up at six in the morning. A.get B. gets C. gets ( )6. Mary usually_to me . A. will write B. write C. writes ( )7. He doesnt _ cats. A. likes B.
21、 like C. liking ( )8. My sister_often clean the room. A. didnt B. isnt C. doesnt CCBC填空1.I _ from China. (be) 2.Jack and Tom _ my friends. (be) 3.Your parents _(read) books every day.4.Li Lei always _ to school at 7:30.(go)5.You always _ (do) your homework well. amarereadgoesdo6. The child often _ (
22、watch) TV in the evening.7. Wang Kai and Wang Li_ (have)lunch every day. 8.We often_ (play) in the playground. 9. Chen Jie sometimes _(go) to the park with her sister. watcheshaveplaygoes10. He often _ (have) dinner at home.11. Daming and Tommy _ (be) in Class One.12. We _ (not watch) TV on Monday.1
23、3. Nick_ (not go) to the zoo on Sundays.14. They _ (like) the apples.15.Do you _(eat)dinner at home.16.They dont _(get)up at five.hasaredont watchdoesnt golikeeatget按要求完成句子1.Do you often play football after school? (肯定回答)2. I have many books. (改为否定句)3. My sister likes peaches.(改为否定句)4. She lives in
24、a small town near New York. (改为一般疑问句并做肯否回答)5. I watch TV every day. (同上) 6. Tom has got a toy. (同上) 现在进行时句子结构句子结构:主语主语+be+动词的现在分词动词的现在分词 口诀:我用am,你用are,is用在他她它,单数名词使用is ,复数名词使用are定义定义:现在进行时表示现在或当前一般时间正现在进行时表示现在或当前一般时间正在进行的动作常与在进行的动作常与Listen,Look,now,连用连用现在进行时 动词动词ing的变化规律: 1)直接加ing ,如:open-opening, c
25、lean-cleaning2) 去掉词尾不发音的e ,如:take-taking, have-having, 3) 重读闭音节的,双写最后的字母,加 ing , 如: put-putting, begin-beginning ,swim-swimming, run-running, 现在进行时 study_ make_ swim_ stop_ come_ close_ have_ run_ drive_ wash_ begin watch_ take talk putstudyingmakingswimmingstoppingcomingclosinghavingrunningdrivingw
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