七年級(jí)英語(yǔ)上否定句及一般疑問(wèn)句知識(shí)點(diǎn)

1、12句型轉(zhuǎn)換肯定句變否定句及一般疑問(wèn)句一、肯定句變否定句1、含有 be 動(dòng)詞的否定句規(guī)則：在 be 動(dòng)詞后+not. （ is not 可縮寫成isn ； are not 可縮寫成 aren t但 am 與 not 不可縮寫）eg: （ 1 ）肯定句： I am a student. 我是一名 學(xué)生否定句： I am not a student. 我不是一名學(xué)生（2） 肯定句：She is my sister. 她是我的妹妹。否定句： She isntmy sister. 她不是我的妹妹。（3） 肯定句：They are my parents. 他們是我的父母否定句： They arentmy

2、 parents. 他們不是我的父母活學(xué)活用將下列句子變?yōu)榉穸ň銽he keys are on the table._This is my sister._A computer game is in the school library. I am in China now.2、含情態(tài)動(dòng)詞的否定句規(guī)則： 在情態(tài)動(dòng)詞后 + not ， 必要時(shí)可縮寫。 （比如：can not 可縮寫成 cant must not 可縮寫成 mustn）t eg: （ 1）肯定句： I can spell “ English. 我”能拼寫 English ?！狈穸ň洌?I cantspell “ English ”

3、我.不能拼寫 English ”.（ 2）肯定句： I must find it. 我必須找到它 否定句： I mustn t find it. 我禁止找到它?；顚W(xué)活用 將下列句子變?yōu)榉穸ň?.You can eat well for breakfast._2.I can go to school on Monday._3.She can watch TV on Saturday._3、含有實(shí)義動(dòng)詞的句子的否定句構(gòu)成（ 1）第三人稱單數(shù)做主語(yǔ)。（ he、 she、 it 或表示單個(gè)人或物的第三人稱名詞） 規(guī)則：要在行為動(dòng)詞前加上助動(dòng)詞doesn,然后將動(dòng)詞恢復(fù)原形。eg ： 肯定句： He h

4、as a soccer ball. 他有一個(gè)足球。 否定句： He doesn ht ave a soccer ball. 他有一個(gè)足球。（2）其它人稱做主語(yǔ)規(guī)則：在行為動(dòng)詞前加 don t,句子中的行為動(dòng)詞用原形。eg:肯定句：They like bananas.他們喜歡香蕉。否定句：They don t like bananaS 他們不喜歡香蕉。注：（1）在變否定句時(shí)，如遇some應(yīng)變anyHere are some books. Here aren t any books.活學(xué)活用 將下列句子變?yōu)榉穸ň?. I have some basketballs._2. We like bana

5、nas._3. Tom has a volleyball._4. I know you re younrame._5. She wants to buy a hat._1233二、肯定句變一般疑問(wèn)句1、含有 be 動(dòng)詞的句子變一般疑問(wèn)句規(guī)則：把 be 動(dòng)詞提至句首 ,第一人稱變第二人稱，句末句號(hào)變問(wèn)號(hào)。 （ I/we 變成 you My/our 變成 your ）（ 1）肯定句： I am a student. 我是一名 學(xué)生 一般疑問(wèn)句： Are you a student? 你是一名學(xué)生嗎？（ 2）肯定句： She is my sister. 她是我的妹妹。 一般疑問(wèn)句： Is she y

6、our sister? 她是你的妹妹嗎？（ 3）肯定句：They are my parents. 他們是我的父母一般疑問(wèn)句： Are they your parents? 他們是你的父母嗎？活學(xué)活用將下列句子變?yōu)橐话阋蓡?wèn)句1._ The keys are onthe table._2._ This is my sister.3._Acomputer game is in the school library._4.I am in China now._2、含有情態(tài)動(dòng)詞的句子變一般疑問(wèn)句規(guī)則：把情態(tài)動(dòng)詞提至句首 ,第一人稱變第二人稱，句末句號(hào)變問(wèn)號(hào)。 （ I/we 變成 you My/our 變

7、成 your ） eg: （ 1）肯定句： I can spell “ English 我”能.拼寫 English ?！币话阋蓡?wèn)句： Can you spell “ English ”你.能拼寫 English ”嗎？（ 2）肯定句：I must find it. 我必須找到它一般疑問(wèn)句：Must you find it? 你必須找到它嗎？活學(xué)活用將下列句子變?yōu)橐话阋蓡?wèn)句4.You can eat well for breakfast._5.I can go to school on Monday._6.She can watch TV on Saturday._3、含有行為動(dòng)詞的句子變一般

8、疑問(wèn)句變法（ 1 ）第三人稱單數(shù)做主語(yǔ)規(guī)則：如果主語(yǔ)是單數(shù)第三人稱，那么變成一般疑問(wèn)句時(shí)，須在句首加助動(dòng)詞does，然后將動(dòng)詞恢復(fù)原形；eg ： 肯定句： He has a soccer ball. 他有一個(gè)足球。 一般疑問(wèn)句： Does he have a soccer ball?.他有一個(gè)足球嗎？ （2）其它人稱做主語(yǔ)如主語(yǔ)是其它人稱，則須在句首加助動(dòng)詞do，動(dòng)詞仍是原形。eg:肯定句：They like banan as.他們喜歡香蕉。4一般疑問(wèn)句：Do they like bananas?他們喜歡香蕉嗎？ 注：(1)如句中有 some，變成一般疑問(wèn)句時(shí)應(yīng)變成any。(2)如果句中有第一

9、人稱的詞，變成一般疑問(wèn)句時(shí)須變成相應(yīng)的第二人稱。 比如：I 變成 you ，we 變?yōu)?you, my 變?yōu)?your, our 變成 your。eg: I have a new book.Do you have a new book?Here are some apples.Are here any apples?(3) 般疑問(wèn)句的回答有肯定回答、否定回答兩種，回答時(shí)用人稱代詞。,廣. 一、，. 一,eg:Is he a teacher？Yes, he isCan he play baseball？Yes ,he can No ,he cantDoes he watch TV every d

10、ay？Yes, he does. No, he doesnt.活學(xué)活用將下列句子變?yōu)橐话阋蓡?wèn)句1. I have some basketballs._2. We like bananas._3. Tom has a volleyball._4. I know you re yourame._5. She wants to buy a hat._1. This is a red sweater.= This coat is sweater.這是一件紅色的毛衣。2. That is her ruler.=That ruler is hers.那是他的尺子3. My favorite subject

11、 is English= English is my favorite subject=I like English best我最喜歡的科目是英語(yǔ)4. What s your favorite subject( food, fruit, sport, color)?=What subject( food, fruit, sport, color) do you like best? 你最喜歡什么學(xué)科？5. My mother buys me a dictionary.+ My mother buys a dictionary for me.我的媽媽給我買了一本詞典6. My last name

12、 is Green = My family name is Green.我姓 Green.7. What s your phone number? = What s your telephone 你的電話號(hào)碼是什么？8. Math is difficult.=math is not easy.數(shù)學(xué)很難。9. It boring= Itn6t interestingfun. 它很無(wú)聊10. How much are the trousers?= What s the price of the trousers 褲子的價(jià)格是多少？11. What about=How about12. Thanks

13、 for your help.=Thank you for helping me.感謝你的幫助13. Can I help you?= What can I do for you? 我能幫助你嗎？構(gòu)成：be 動(dòng)詞/be 動(dòng)詞+notYes/No,人稱代詞+ y 情態(tài)動(dòng)詞/情態(tài)動(dòng)詞+not-助動(dòng)詞 do 或 does/don或 doesnYes/No,人稱代詞+ y514. I m OK= I m fin 我很好15. I m Gina= My name is Gina 我是吉娜?！灸M試題】（答題時(shí)間：15分鐘）一. 把下列句子變成否定句。1、 We are in Shenyang._2、 T

14、hey can play football. _3、 He plays soccer ball well. _4、 I am a new teacher. _5、 Tom is at school. _6、 There are some new books. _二 . 把下列句子變?yōu)橐话阋蓡?wèn)句。1、 He can speak English. （并否定回答） _2、 Tom is a new student. （并肯定回答） _3、 She plays the piano well. （并肯定回答） _4、_ We are Chinese.（并否定回答） _5、_ They likesingi

15、ng. （并肯定回答） _三、同義句轉(zhuǎn)換1.I am OK. Thank you. Im_.2. ImGrace. _ _ is Grace.3. This desk is old. This is _ _ desk.4. Can I help you? _ can I do _ you?5. How much are the red socks?_ the _ of the red socks?6. Whatsthe price of the pants? _ _ _ the pants?7. This is my hat. _ _ _ mine四、句型轉(zhuǎn)換1The girl can spe

16、ak English .（ 改為一般疑問(wèn)句 ）_ _ the girl _English ?2 Tom often studies in the library . （ 改為否定句 ）Tom _ _ often _ _ in the library .3. John goes to school at7:00 in the morning. （ 改為否定句 ）John _ _ to school at 7:00 in the morning.4. Peter does his homework at 7:00. （ 改為一般疑問(wèn)句 ）_ Peter _ his homework at 7:00?5. Lucy can play baseball well. （ 改為否定句 ）Lucy _ baseball well.6 There are someEnglish friends in our school. （ 改為一般疑問(wèn)句 ）_ ther