小学英语所有句型转换的方法基本助动词只有三个： be, do, have, 他们没有词汇意义，只有 语法作用， 如协助构成进行体， 完成体， 被动态， 否定句， 疑问句等。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：cannot3、 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.Theyarein thezoo.5. Therearesomeflowersin the vase6.Thisis mysister.7.Weare sweepingthefloor.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。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 twelve studens 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 mans shoulders.（改为一般疑问句）15. Its ten oclock.（ 对画线部分提问）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 mending my bike now.（ 同上）4. There are twelve studens 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 mans shoulders.（改为一般疑问句）15. Its ten oclock.（ 对画线部分提问）关于特殊疑问词组针对人提问（谁）地点（何地）时间（何时）方式方法程序（怎样）年龄how oldwhowhere when what time how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颜色what color班级what class年级what grade时间what time选择某个which练一练1、A: _which classis 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:?A: I want to make a kite.12A:is your cousin? B: He s 15 years old.13、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）1.1 get up at six thirty every day.（用 yesterday morning everyday） 4. Jim is good at English and Maths. （对画线部分提问）5. Ben runs fast. I run faster.（两旬合并为一句）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）24.The children have school today.（改为否定句）9. How can I get to 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）12. Don t go along this street.（改为肯定句）14. The policeman caught the thief.（改问现在进行时）15. I get to the shopping centre by bus. （对画线部分提问）16. It always rains in summer there.（改为一般疑问句，作肯定回答）17. It s cold in winter there.（对画线部分提问）18. I like autumn best.（改为否定句）19. Do you like spring?（加上winter 改为选择疑问句）20. Su Yang is asking Ben some questions.（对画线部分提问）21. Please turn off the light.（改为否定句）22. I know his telephone number.（改为一般疑问句）25. I d like to join them.（改为一般疑问句）26. They are going to see a film tomorrow.（对画线部分提问）27. I like collecting stamps and singing.（改为否定旬）28. He often cleans his bedroom.（改为一般疑问句）29. Liu Tao is watering flowers in the garden.（对画线部分提问）30. David and Mike are going to planting trees this afternoon.（对画线部分提问）31. He did his homework in the classroom.（改为否