小学英语四年级专项练习（句型转换）
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；
例如：He is in the classroom. (改为否定句）
He is not ( isn’t ) in the classroom.
2、在can，should， will等后加not。
如：can not， should not， will not；
例如： Mike can sing English songs. ( 改为否定句）
Mike can not ( can’t ) sing English songs.
3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。
例如： I like pizza. ( 改为否定句）
I don’t like pizza.
4、句中有some 的要改成any。
例如： There are some books on the desk. ( 改为否定句）
There are not ( aren’t ) any books on the desk.
练习
1. I’m in the TV room.
2. I like dolls.
3. He’s cold.
4.John is walking in the park.
5.Tom and Marry are friends.
6.I’m a student.
7.She will go to Beijing tomorrow,
8. We get there by bike.
9.He likes apples.
10.There are some flowers in the picture.
11.I often play football with my friend.
12. We are from China.
13.Sit down.
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。
例如： They are in the park.
Are they in the park?
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： He can play the guitar.
Can he play the guitar?
4、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： I like the ducks. He likes the dogs.
Do you like the ducks? Does he like the dogs?
练习
1.This is my fan.
2. I like this cat.
3.I can see a boy.
4.She’s a nice girl.
5.They’re his shoes.
6.We need some masks.
7.I am listening to music.
8.Mike is a student.
9.Sarah can clean the classroom.
10.They are in the zoo.
11.There are some flowers in the vase.
12.This is my sister.
13.We are sweeping the floor.
14.They like making the puppet.
15.Su Hai and Su Yang live in a new house.
16.I put a book on my head.
17.They sing “In the classroom”together.
18.We play basketball on Sundays.
19.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、接着找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。
对划线部分提问训练题的答题技巧
１、划线部分是“事或物”，特殊疑问词用what
如: This is a book.
---What is this?
I often play football on Saturdays .
---What do you often do on Saturdays ?
２、划线部分是“人”，特殊疑问词用who
如:He is my brother. ---Who is he ?
３、划线部分是“地点”，特殊疑问词用where
如:The box is on the desk.---Where is the box ?
４、划线部分是“时间”，特殊疑问词用what time或when
如:It's seven twenty . ---What time is it ?
I usually get up at six . --- When do you usually get up?
５、划线部分是“年龄”，特殊疑问词用how old
如:I am twelve . ---How old are you?
My father is thirty-three . ---How old is your father ?
６、划线部分是“职业”，特殊疑问词用what
如:Mike is a worker. ---What is Mike ?
７、划线部分是“颜色”，特殊疑问词用what colour
如: My hat is blue . ---What colour is your hat？
８、划线部分是“数量”，特殊疑问词用how many或how much
如:I can see five kites .---How many kites can you see ?
There is some milk in the glass. ---How much milk is there in the glass ?
９、划线部分是“多少钱”，特殊疑问词用how much
如:This pen is nine yuan . ---How much is this pen ?
10划线部分是“形容词性物主代词或名词性物主代词”，特殊疑问词用whose 如:That is my book . ---Whose book is that ?
The bag is yours. ---Whose is the bag ?
练习：
1. That car is yellow. (提示:问颜色)
2. My sister is 15 years old. (提示:问年龄)
3. The sunglasses are Jim’s. (提示:问归属)
4. Tom likes monkeys.(提示:问”谁”)
5. I have eleven books in my bag.(提示: 问数量)
6. I do my homework on Saturday.(提示:问时间)
7. She wants some eggs.(提示:问”什么”)
8. I’m fine, thank you.(提示: 问怎么样)
9. I go to school by bus.(提示:问方式)
10.We go to school five times a week.(提示:问频率)
11. I’m in Class 3.(提示:问地点)
12. The panda is black and white.
13. Her kite is under the bed.
14. I come to school by bike.
