一、 肯定句改否定句的方法—— 一步法
1. 有be动词/情态动词：在be动词/情态动词后后加not。
2. 无be动词/情态动词，在动词前加don’t / doesn’t / didn’t。 3. 肯定句中的some 改成any。
4. Be动词 am, is , are . 情态动词：can，will，should，must，may。
练习~~~把下列句子变成否定句：
1. I am listening to music. _______________________________________ 2. Mike is a student. _______________________________________ 3. Sarah can clean the classroom.
_______________________________________
4. They are in the zoo. _______________________________________
5. There are some flowers in the vase. _______________________________________ 6. This is my sister.
_______________________________________
7. We are sweeping the floor. ___________________________ 8. We need some masks.
_________________________________
_________________________________
9. They like making the puppet.
10. Su Hai and Su Yang live in a new 11. I put a book on my head.
_________________________________________________
12. They sing “In the classroom” together. _______________________________________________ 13. We play basketball on Sundays. _________________________________________________ 14. Tom likes listening to music. ____________________________________________ 15. We go to school on Sunday. _________________________________________________ 16. His father works hard. _________________________________________________ 17. Alice will go to the Summer Palace. ____________________________________________ 18. You should study hard for yourself . __________________________________________
二、 肯定句改一般疑问句的方法——三步法
1. 有be动词/情态动词：be动词/情态动词提到句首，其余照抄，(some改any，my改your）句末用问号。
2. 无be动词/情态动词，在句首加Do/Does/Did，其余照抄，(some改any，my改your）句末用问号。
3. 加does、did 的句子注意，句子动词要变成原型。
例如： 陈述句: They are in the park. He can play the guitar.. 一般疑问句: 陈述句:
Are they in the park I like the ducks.
Can he play the guitar He likes the dogs.
一般疑问句： Do you like the ducks Does he like the dogs
把下列句子变成一般疑问句
1. I am listening to music. ______________________________________ 2. Mike is a student. _______________________________________
3. Sarah can clean the classroom. ________________________________________ 4. They are in the zoo. ________________________________________
5. There are some flowers in the vase. ___________________________________ is my
are sweeping the
8. We need some masks. _________________________________
9. They like making the puppet. _________________________________ 10. Su Hai and Su Yang live in a new put a book on my
12. They sing “In the classroom” play basketball on
14. Tom likes listening to music. _______________________________________
三、 肯定句改特殊疑问句的方法——四步法
关于特殊疑问词 问人 （谁）
who
多少钱 谁的 问星期 问日期
How much
地点（何地） where
时间（何时） when、what time 东西/职业/事物(什么) what 方式方法程序身体（怎样）how 原因 why 哪一个 年龄
which how old How about
whose (book, pen…) what day what date
问数量多少 (可数名词) How many （people…） 问数量（不可数名词）How much （water…） 颜色 班级 年级
what color what class what grade
..怎么样（提建议）
1、在一般疑问句的基础上，句首添加一个疑问词即可，可根据划线部分确定是什么疑问词。 2、接着找be动词或can，shall， will等放在疑问词后面，若没有则请助动词do/does/did帮忙，写在疑问词后面，how many除外，必须先写物品，再写be动词等。 3、划线部分去掉后剩下的内容照抄，（some 改成any，my改成your等） 4、句点改成问号。
练一练
1、A: ______ _ is the boy in blue B:He’s Mike. 2、A: ______ _ pen is it
B:It’s mine.
3、A: ______ _ is the diary B:It’s under the chair. 4、A: ______ _ is the Christmas Day
B: It’s on the 25th of December.
5、A: ______ _ are the earphones B:They are 25 Yuan. 6、A: ______ _ is the cup
B:It’s blue.
B:It’s Sunday.
7、A: ______ _ is it today
8、A: ______ _ was it yesterday B: It was the 13th of October. 9、A: ______ _ this red one B:It’s beautiful. 10. A: ______ _ is your cousin
B: He’s 15 years old.
11、A: ______ _ do you have dinner B: At 6 o’clock.
综合练习：
1. The children have a good time in the park.
否定句：__________________________________________ 一般疑问句：________________________________________ 对划线部分提问：____________________________________ 2. There are about nine hundred people at the concert.(音乐会)
否定句：__________________________________________ 一般疑问句：________________________________________ 对划线部分提问：____________________________________
3. There is only one problem.
否定句：__________________________________________ 一般疑问句：________________________________________ 肯定/否定回答：____________________________________
4. Ann does her homework every evening.
否定句：__________________________________________ 一般疑问句：________________________________________ 对划线部分提问：____________________________________
5. I read an English book every day.
否定句：__________________________________________ 一般疑问句：________________________________________ 肯定/否定回答：____________________________________ 对划线部分提问：____________________________________
6. My brother is in the park now.
否定句：__________________________________________
一般疑问句：________________________________________ 肯定/否定回答：____________________________________ 对划线部分提问：____________________________________
7. She has some bread for lunch today.
否定句：__________________________________________ 一般疑问句：________________________________________ 肯定/否定回答：____________________________________ 对划线部分提问：____________________________________
8. They read English every day.
否定句：__________________________________________ 一般疑问句：________________________________________ 肯定/否定回答：____________________________________ 对划线部分提问：____________________________________
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