一、 肯定句改否定句的方法——一步法
1、 在be动词后加not。如：is not ， are not ， am not， was not， were not；
2、 在can，等后加not。如：cannot
3、 上述都没有的，在动词前加助动词否定形式do not, does not. (don’t/doesn’t)
4、 some 改成any。
二、 肯定句改一般疑问句的方法——三步法
1、 把be动词放在句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 2、 把can，等放到句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 例如：陈述句: They are in the park. He can play the guitar..
一般疑问句: Are they in the park? Can he play the guitar?
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. ________________________________________
6. This is my sister.
_________________________________________
7. We are sweeping the floor. __________________________________________
3、 上述都没有的，在句首请助动词Do/Does帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
例如：陈述句: I like the ducks. He likes the dogs.
一般疑问句: Do you like the ducks? Does he like the dogs?
把下列句子改为一般疑问句。
1. We need some masks.
_________________________________
2. They like making the puppet.
_________________________________
3. Su Hai and Su Yang live in a new house. _________________________________________________
4. I put a book on my head.
_________________________________________________
5. They sing “In the classroom” together. _________________________________________________
6. We play basketball on Sundays. _________________________________________________
7. Tom likes listening to music
____________________________________________
三、 肯定句改特殊疑问句的方法——四步法
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be动词或can，等放在疑问词后面，若没有则请助动词do/does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。
句型转换题
1. The girl is singing in the classroom.(改为否定句）(改为一般疑问句)
2. They are looking for bag.(对画线部分提问）
3. I am riding my bike now.(同上）
4. There are blue什么特殊意思twelve students over there.(同上）
5. I can speak English.(改为一般疑问句）
6. I am writing now.(同上）
7. I have a desk and a chair.(用He做主语改写句子）
8. She is buying some food in the supermarket.（改为否定句）
9. I am ill. （对画线部分提问）
10. Does she like growing flowers? （给予否定回答）
11. I will make model planes with my classmates on Sunday. (对画线部分提问）
12. The girl dances beautifully.（改为感叹句）
13. The waiter and the waitress play table tennis every day.( 改为否定句）
14. The boy is standing on the man's shoulders.(改为一般疑问句）
15. It's ten o'clock.(.(对画线部分提问）
关于特殊疑问词组
针对人提问 （谁） who
地点（何地） where
时间（何时） when what time
方式方法程序（怎样） how
年龄 how old
可数名词问多少 How many
不可数名词问多少，多少钱 How much
东西职业事物(什么) what
颜 what color
班级 what class
年级 what grade
时间 what time
选择某个 which which class
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 Chirstmas 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.
7、A: _______ is it today? B:It’s Sunday.
8、A: _______ was it yesterday? B: It was the 13th of October.
9、A: _______ this red one? B:It’s beautiful.
10、A: Can I have some paper and some crayons? B: _______ ?
11、A:_______ is your cousin? B: He’s 15 years old.
12、A:_______ do you have dinner? B: At 6 o’clock.
1.He does well in Maths. (改为否定句) 2.Mike runs as fast as Ben. （改为一般疑问句） 3.I get up at six thirty every day. （用yesterday morning every day） 4.Jim is good at English and Maths. （对画线部分提问） 5. Ben runs fast. I run faster. （两句合并为一句） 6. The policeman caught the thief. （改为一般疑问句，作否定回答） 7. He is thirty kilos. （对画线部分提问） 8. Turn right at the third crossing. （改为否定句） 9. How can I get t
o the shopping centre? （改为同义句） 10 The computer is very nice. （改为感叹句） 11. Are they American cars? （改为单数）
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