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1、Have a look I am a teacher. I like apples. I am not a teacher. I dont like apples. Is this your handbag? Yes ,it is. No,it is not. Do you like apples? Yes ,I do. No ,I do not.Conclusion 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. 主语+be+其他。 主语+动词+
2、其他否定句否定句表示否定意义，句中有否定词not, never等，表示“不”的意思。 I am not a teacher. I dont like apples.主语+be+not+其他。主语+dont+动词+其他。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, was, were）、助动词）、助动词have、has, 或或情态动词情态动词（can, could, must,will 等）等）直接直接not即可得到相应的否定句。即可得到相应的否定句。Exercise My father is a taxi driver
3、. My father is not (isnt) a taxi driver. He can play football very well. He can not (cant) play football very well. Mary will come to China next week. Mary will not (wont) come to China next week. I have finished my homework.I have not(havent) finished my homework.2. 如果句子含有如果句子含有实义动词实义动词则需要借助助则需要借助助
4、动词动词do, does或或didnot动词原形动词原形。注意：注意：do, does, did后面必须使用动后面必须使用动词原形。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like eat sing dance主语+do/dose/did+not+动词原形Exercise I 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. L
5、inda drove to school last night. Linda didnt (did not) drive to school last night.首页首页上页上页下页下页肯定句和否定句之间的转换肯定句和否定句之间的转换肯定句和否定句之间的转换肯定句和否定句之间的转换I like listening to pop music.He goes to work every morning.肯定句和一般疑问句之间的转换肯定句和一般疑问句之间的转换My father is a taxi driver. Is your father a taxi driver?There are som
6、e apples on the table. Are there any apples on the table?As a British, he can play Chinese chess very well. As a British, can he play Chinese chess very well?Mary will come to China next week. Will Mary come to China next week?找出两句话间的联系 一般疑问句：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。 Is this your handbag? Yes
7、 ,it is. No ,it is not. Do you like apples? Yes ,I do. No ,I do not. 一般疑问句的结构结构： be动词/助动词/情态动词 +主语+谓语/表语+其他？（be/do/dose/did/can/could+主语+谓语+其他） Yes ,主语+ be动词/助动词/情态动词 No ,主语+ be动词/助动词/情态动词+not 2. 如果句子中的谓语动词为如果句子中的谓语动词为实义动词实义动词，则需，则需要要借助助动词借助助动词do, does或或did，将它们放在，将它们放在句首，并将句中句首，并将句中实义动词变为原形实义动词变为原形。
8、 I like listening to pop music. Do you like listening to pop music? He goes to work every morning. Does he go to work every morning? Linda drove to school last night. Did Linda drive to school last night? 注意：注意：do, does, did后面必须使用动词原后面必须使用动词原形。形。Exercise找到了找到了没找到没找到加加 do do doesdoes第二步：第二步：提提提提句首（大写
9、）句首（大写）“句号句号”改改“问号问号”如果有如果有第一、第二第一、第二人称，人称，则则互改。互改。第三步：第三步：改改其他照抄其他照抄一字不漏一字不漏第四步：第四步：抄抄第一步：第一步：找找找找 bebe动词、动词、havehave、hashas、情态动词情态动词如何改一般疑问句？上页上页下页下页首页首页基本概念基本概念肯定句和否定句之间的转换肯定句和否定句之间的转换肯定句和一般疑问句之间的转换肯定句和一般疑问句之间的转换练习 将下列句子变为否定句 1. The dog is bigger than the cat. The dog _ _ bigger than the cat. 答案：
10、The dog is not bigger than the cat. 2. My English teacher speaks English very fast. My English teacher _ _ English very fast. 答案：My English teacher doesnt speak English very fast. 3. He can eat three hamburgers at a time. He _ _ eat three hamburgers at a time. 答案： He can not eat three hamburgers at
11、a time.上页上页下页下页首页首页 4. Susie found some money on her way to school. Susie _ _ _ money on her way to school. 答案： Susie didnt find any some money on her way to school. 5. My father is very hard-working. My father _ very hard-working. 答案： My father isnt very hard-working.上页上页下页下页首页首页6. Grandpa tells st
12、ories to us every evening. _. 答案：Grandpa doesnt tell stories to us every evening.7. They were talking loudly at 10:00 p.m. yesterday. _. 答案：They were not talking loudly at 10:00 p.m. yesterday 8. I can do my homework fast. _. 答案： I can not do my homework fast. 9. He ate too much at the party. _. 答案：
13、He didnt eat too much at the party. 上页上页下页下页首页首页10. He doesnt live in London with his uncle. _. 11.There is some water in the cup. _.12. I read books every day. _.13. Peter goes to the zoo once a year. _.14. There will be a meeting next morning. _.15. He is going to be a teacher in the future. _.首页首
14、页上页上页下页下页将下列句子变成一般疑问句1. He took many photos in front of the Summer Palace. _ he _ many photos in front of the Summer Palace? 答案：Did he take many photos in front of the Summer Palace?2. The Earth moves around the Sun. _the Earth _around the Sun? 答案：Does the Earth move around the Sun? 上页上页下页下页首页首页3. T
15、here are many supermarkets in the city. _ _ _supermarkets in the city? 答案：Are there many supermarkets in the city? 4. We must send him to the hospital at once. _we _him to the hospital at once? 答案：Must we send him to the hospital at once? 5. Tom usually gets up at 11:00 a.m. on Sundays. _ 答案：Does Tom usually get up at 11:00 a.m. on Sundays ? 6. I wrote a letter to my uncle the day before yesterday. _ 答案：Did you write a letter to my uncle the day before yesterday? 上页上页下页下页首页首页