一、 肯定句變否定句

1> 看肯定句中有沒有be動詞（am、is、 are、 was、 were）或情態(tài)動詞（can），如果有，直接在其后加not，其余照抄就可以。

1、在be動詞后加not。如：is not ， are not ， am not， was not， were not；

2、在can，等后加not。如：can not(縮寫 can’t)

2> 如果句中沒有be動詞或情態(tài)動詞，變否定要找助動詞do的相應(yīng)形式（do、does、did）幫忙，且原句的謂語動詞要變回原形。

否定句中and，some與any的用法

1. 否定句中and要變?yōu)閛r

2. 否定句中some要變?yōu)閍ny

二、一般疑問句

1、定義: 以be動詞/助動詞/情態(tài)動詞開頭的句子叫一般疑問句。

2、特點(diǎn)：用yes/no回答。

例：Is your father a teacher? 翻譯：你的父親是一名老師嗎？ 結(jié)構(gòu)：Be動詞+主語+其他

Does Tom like apples? 翻譯：湯姆喜歡蘋果嗎？ 結(jié)構(gòu)：助動詞+主語+動詞原形+其他

Can Jenny speak English? 翻譯：珍妮會說英語嗎？ 結(jié)構(gòu)：情態(tài)動詞+主語+動詞原形+其他

3、陳述句變成一般疑問句的方法：

1）看陳述句中有沒有be動詞（am/is/are/was/were）或情態(tài)動詞（can），如果有，將其提到句首，其余照抄，句末打上“？”即可。

例：It was rainy yesterday.

變一般疑問句→

Tom's father can play the piano.

變一般疑問句→

2）如果句中沒有be動詞或情態(tài)動詞，句首加do的相應(yīng)形式（do、does、did），其余照抄，且原句的謂語動詞要變回原形。

例：They go to school by bike. →

Bill gets up at 6:30 every day. →

The students saw a film yesterday. →

注：1.如果陳述句中有第一人稱，則變問句時(shí)要變?yōu)榈诙朔Q。

I usually have lunch at school.

2.如果陳述句中有some,則變問句時(shí)往往要變成any。

There is some water on the playground.

4、一般疑問句的回答。

例：---Does she clean her room every day? ---Yes, ________.

---Is Anna′s father a doctor? ---No，________.

---Can she dance? ---Yes,________.

如果問句主語是 this that,回答時(shí)用____代替；若問句主語是these, those,回答時(shí)用 _____代替。

--Is this your bag? --Yes, ________ ./ No,________ .

--Are those your books? --Yes, ________. / No, ________.

練習(xí)：肯定句變一般疑問句

1. His father was an English teacher.

2. These cats are crying.

3. They can swim.

4. I went to school on foot.

5. His father goes to work by bus.

6. Lingling and Amy can sing English songs..

7. Kitty is leaning English now.

8. The two boys under the tree were hungry.

9. Lingling and Amy watch television at night.

10. I can finish my homework by myself.

11. I have some good friends.

三、特殊疑問句

1、定義：以 特殊疑問詞 開頭，對句中某一成分提問的句子叫特殊疑問句。常用的特殊疑問詞有：what ,who, whose, which, when, where, how, why等。

2、結(jié)構(gòu)：特殊疑問句=特殊疑問詞+一般疑問句

3、語序：

如：1)Who is singing in the room﹖ 2)Where is he?

２>．如疑問詞作其他成分，即對其他成分提問，其語序是：疑問詞+助/be/情+主語+其他

如： 1)what class are you in﹖ 2)What does she look like﹖

注：回答特殊疑問句時(shí)，不能用yes／no，即問什么答什么。

如：Where's the restaurant﹖ It is near the station．

4、對劃線部分提問做題方法：

四字口訣：找詞變句

找詞：找劃線部分對應(yīng)的特殊疑問詞 變句：將剩余部分變問、

練習(xí)：就畫線部分提問

1.He is my father.__________________________________

2.They are under the tree.__________________________________

3.I often watch TV after dinner.(晚飯后)__________________________________

4.Lily swims in the swimming pool.(游泳池)__________________________________

5.Superman flies in the sky.__________________________________

6.I often brush my teeth in the evening.__________________________________

7.Alan likes playing with Bill.__________________________________

8.The supermarket is near the school.__________________________________

9.Jennifer has a pair of earrings(耳環(huán)).__________________________________

10.The flowers are in the flower pot(花盆).__________________________________

11.The monkey sleeps at night.__________________________________

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