((仁爱版))[[初一英语课件]]仁爱版七年级英语上《句型转换》PPT

陈述句

肯定句 否定句 一般疑问句 特殊疑问句

疑问句

专项练习

——句型转换

祥富中学

王金红

一.肯定句变否定句

1. 句子中有 ，在be后加 句子中有be， 后加not。 后加 。 1) I am a student. I am not a student. 2) They are blue . They aren’t blue. 3) He is Kangkang. He isn’t Kangkang .

谓语是动词原形，在动词前加don’t。 。 2. 谓语是动词原形，在动词前加 1) I have a book . I don’t have a book. 2) They like Chinese . They don’t like Chinese. 3) We come from China. We don’t come from China.

3谓语动词是第三人称单数，在动词前加 谓语动词是第三人称单数， doesn’t，动词用原形。 doesn’t，动词用原形。

1)She has a small mouth. She doesn’t have a small mouth. 2)Maria likes China. Maria doesn’t like China. 3)Jane comes from the U.S.A. Jane doesn’t come from the U.S.A.

练习：将下列句子变成否定句。

1. I am a teacher. I am not a teacher. 2. We are students. We aren’t students. 3. Jane is a girl. Jane isn’t a girl. 4. They like English. Theydon’t like Chinese 5. I come from China. Idon’t come from China. 6. He likes Chinese. He doesn’t like Chinese. 7. Maria comes from Cuba. Maria doesn’t come from Cuba. 8. We know Maria. We don’t know Maria.

二.肯定句变一般疑问句 肯定句变一般疑问句

1.句子中有be，把be提到句首 1) I am a student. Are you a student? 2) They are blue. Are they blue? 3) He is Kangkang. Is he Kangkang?

2.谓语是动词原形，在句首加do。 谓语是动词原形，在句首加 。 谓语是动词原形 1) I have a book . Do you have a book? 2) They like Chinese . Do they like Chinese? 3) We come from China. Do you come from China?

3.谓语动词是第三人称单数，在句首加 谓语动词是第三人称单数，

Does，动词用原形。 Does，动词用原形。

1) She has a small mouth. Does she have a small mouth? 2) Maria likes China. Does Maria like China? 3) Jane comes from the U.S.A. Does Jane come from the U.S.A? 4) She knows Maria. Does she know Maria?

练习:将下列句子变成一般疑问句。 练习 将下列句子变成一般疑问句。 将下列句子变成一般疑问句

Are you a teacher? 1. I am a teacher. Are they Students? 2. They are students. Is Jane a girl? 3. Jane is a girl. 4. They like English. Do they like English? 5. I come from China. Do you come from China? 6. He likes Chinese. Does he like Chinese? 7. Maria comes from Cuba. Does Maria come from Cuba? 8.We speak Chinese. Do you speak Chinese?

一般疑问句做肯定,否定回答 三.一般疑问句做肯定 否定回答 一般疑问句做肯定

Are you Maria ? 肯定回答： 肯定回答：Yes , I am. 否定回答：No,I’m not. 否定回答： 肯定回答： Yes , 主+助/系. 助系 否定回答: 否定回答 No, 主+助/系+not. 助系

2.问句和答语的助动词保持一致. 1) Are you a student? 肯: Yes, I am. 否： No, I