陈述句变否定句一般疑问句特殊疑问句和练习试题
陈述句变否定句一般疑问句特殊疑问句及练习(全面)
句型转换的方法思考：肯定句句型结构？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，should， will等后加not。
如：cannot， should not， will not；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。
4、 some 改成any。
把下面的句子变成否定句。
1.She is watching TV now.2.We go to school on Sunday.3.His father works hard.4.Jack's mother is a nurse.5.The cat runs fast.一般疑问句二、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，shall， will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.________________________________________3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
陈述句变否定句一般疑问句特殊疑问句及练习(改)
简单句各句式转换的方法一、肯定句改否定句的方法：一步法1、如果肯定句中已有be,则在be动词后加not。
如：is not ，are not ，am not，was not，were not；2、肯定句中如已有can，should，will等，则在其后加not。
如：cannot，should not，will not；3、肯定句中如没有上述Be动词或情态动词则先借助动词do/does/did的否定don’t/doesn’t/didn’t。
4、肯定句中如有some则改成any。
eg:把下面的句子变成否定句。
1.She is watching TV now.2.We go to schoolonSunday.3.His father works hard.4.Jack's mother is a nurse.5.The cat runs fast.6.They like readingbooks.7.My grandpa gives mea hot dog.8.Tom often walks to school.9.I have a doll.10.It is eating fish.二、肯定句改一般疑问句的方法——三步法1、肯定句中有be动词时，把be动词提到句首，剩下（some 改成any，的照抄，my改成your等）句号改成问号。
2、肯定句中已有can，shall，will等时，则把这些词放到句首，剩下的照抄，（some 改成any，my改成your等）句号改成问号。
3、如果肯定句中没有上述单词，则在句首借助动词Do/Does/Did帮忙，把后面的动词变为原形，剩下（some 改成any，的照抄，my改成your等）句号改成问号。
eg: They are in the park.He can play theguitar.Are they in the park? Can he play the guitar?I like the ducks.He likes the dogs.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 someflowers in the vase.6.This is my sister.7.We are sweeping the floor.8. We need somemasks.9. They like making the puppet.10. Su Hai and Su Yanglive in a new house. 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.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，句首添加一个特殊疑问词即可，特殊疑问词可根据划线部分确定（即：特殊疑问词+一般疑问句构成特殊疑问句，但注意：Which, whose,how many除外，必须先在这些词后加名词，再加一般问句。
英语所有句型转换的方法陈述句变否定句一般疑问句特殊疑问句及练习
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. 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。
陈述句变否定句一般疑问句特殊疑问句及练习 (1)
小学英语句型转换的方法二、肯定句改一般疑问句的方法——两步法（陈述句变一般疑问句，其实并不难。
1.原句中有be 动词（is，am,are，was,were) ，can，will(将要),shall（将，应）, 快快提上前，Am 改为Are，I 改为you, we改为you, my 改为your，some改为any,句号变问号; 2.若句中没有be 动词、can、will和shall, 请助动词Do，Does或Did在句首帮忙，三单用Does，其他全用Do，过去用Did ,动词还原须记得，I 改为you, we改为you, my 改为your，some改为any,句号变问号。
）1、把be动词和can，will，shall放在句首，剩下的照抄。
（Am 改为Are，I 改为you, we改为you, my 改为your，some改为any,句号变问号）例如：陈述句: They are in the park. I can play the guitar..一般疑问句: —Are they in the park —Can you play the guitar 1. I am listening to music with my sister.______________________________________2. I like playing football._______________________________________3. She likes reading stories.________________________________________4. They will go to the zoo.________________________________________5. We are going to see a film this evening.________________________________________6. I_________________________________________are sweeping the floor.__________________________________________3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
英语所有句型转换的方法(陈述句变否定句-一般疑问句特殊疑问句及练习)
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. 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。
陈述句、疑问句等句型转换及练习(大量)
句型转换一、肯定句变否定句:1、在be动词后加not。
如：is not ，are not ，am not，was not，were not；2、在情态动词can，should，will等后加not。
如：cannot，should not，will not；3、既有be动词又有情态动词，在情态动词后加not。
如：There won’t be a meeting.4、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。
特殊情况:1. 如果肯定句中有连词and ，变为否定句时，通常要将and 变为or 。
例如：The girl can sing and dance. → The girl cannot sing or dance.2. 如果肯定句中some ，变为否定句时，some 一般要改为any 。
例如：)There are some boys in the room. → There are not any boys in the room.3. 如果肯定句中有too （也），变为否定句时，应将too 改为either 。
例如：Wang Ling is a teacher, too. → Wang Ling is not a teacher, either.4. 如果肯定句中有already ，变为否定句时，应将already 改为yet ，并放在句末。
例如：The worker has finished his work already. → The worker has not finished his work yet.5. 如果肯定句中有“ had better ”，变为否定句时，not 要放在“ had better ”之后。
例如：You had better write to your teacher. → You had better not write to your teacher.6. 如果肯定句中有always ，变为否定句时，要将always 改为never 。
英语中把陈述句改为一般疑问句和特殊疑问句
将陈述句改为否定句，一般疑问句和特殊疑问句一、将肯定句变为否定句1、谓语动词是be 动词,助动词have, has, will,情态动词can 等时，只要直接在这些词后面加not 就构成否定形式。
eg. Lily has already read this new book. (改为否定句) Lilythis new book.2、谓语动词是行为动词而又没有助动词或情态动词时，必须在谓语动词前加助动词，一般现在时加助动词do ，第三人称单数加does，一般过去时加did，再和not 构成否定结构。
必须指出的是：don't, doesn't, didn't 后都用动词原形。
eg.1)Jill has lunch at school every day. (改为否定句) Jilllunch at school every day.2)T he children had a good time at the party. (改为否定句) Thechildren a good time at the party.3)R ose didn't drink any milk this morning.（改为肯定句) Rosemilk this morning.二、陈述句变一般疑问句A.一般疑问句：以be 动词, have /has/do 等助动词、can/may 等情态动词开头，以yes 或no 来回答的问句。
它的基本结构是：Be/Have /Has/Did 等助动词（包括情态动词）＋主语＋谓语＋┄？回答常用简略回答。
1、谓语动词是be 动词、助动词、情态动词时，只要直接把这些词置于句首，句末改成问号。
eg. There's something wrong with his bike.（改成疑问句）wrong with his bike?2、谓语动词是行为动词时，必须在句首加上助动词Do、Does（三单）、Did（过去式）加上这些助动词后，句子中谓语动词必须用原形。
陈述句变否定句一般疑问句特殊疑问句及练习(全面)
希伯伦语法一一、肯定句改否定句的方法——一步法She is watching TV now.______________________________________________________________________________W e go to school on Sunday.____________________________________________________________________________ His father works hard._______________________________________________________________________________ Jack's mothe r is a nurse._____________________________________________________________________________The cat runs fast._____________________________________________________________________________________ They like reading books.____________________________________________________________________________My grandpa gives me a hot dog.__________________________________________________________________________T om often walks to school._______________________________________________________________________________ I have a doll.____________________________________________________________________________________________ It is eating fish._________________________________________________________________________________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.__________________________________________1.W e need some masks._________________________________2.They like making the puppet._________________________________3.Su Hai and Su Y ang 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.T om likes listening to music____________________________________________综合训练（一）陈述句变一般疑问句练习1.His father is an English teacher._______________________________________________________________2.These cats are crying.______________________________________________________________3.They can swim.___________________________________________________________________4.I like to read English.______________________________________________________________5.I go to school on foot.______________________________________________________________6.He likes English.______________________________________________________________7.His father goes to work by bus.______________________________________________________________8.He is crying under the tree.______________________________________________________________9.His birthday is on the twentieth of November.______________________________________________________________10.Mrs.Li and Kitty are in a big shop.______________________________________________________________11.Kitty is wearing her new uniform.______________________________________________________________12.The boy under the tree is hungry.______________________________________________________________13.He goes to school every day.______________________________________________________________15.I want to have a model car.______________________________________________________________16.She wants a cup of coffee.______________________________________________________________17.Mrs.Li and Kitty watch television at night.______________________________________________________________18.I do my homework after school______________________________________________________________综合训练（二）将下列句子改成一般疑问句：1.It is a lovely dog.________________________________________2.She is lovely girl.________________________________________3.Y ou are a singer.______________________________4.They are Lily’s cousins.___________________________________5.W e are classmates.______________________________________6.I am a doctor.________________________________________7.There is a bird in the tree.________________________________8.There are many stars in the sky.____________________________10.I love my parents._______________________________________11.I play compu te r games every night._________________________14.We have a pleasant home.__________________________________15.We like to climb the mountain.______________________________16.They go to church on Sunday.______________________________17.They walk to school every morning.__________________________18.It is a beautiful park.______________________________3．划线部分是谓语动词及宾语时，应使用what…do/doing/done替换划线部分。
陈述句变否定句一般疑问句特殊疑问句及练习测试 (3)
精心整理句型转换的方法一、肯定句改否定句的方法——一步法1、在be 动词后加not 。
如：isnot ，arenot ，amnot ，wasnot ，werenot ；2、在can ，should ，will 等后加not 。
如：cannot ，shouldnot ，willnot ；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 。
4、some 1、把be 2、把can 一般疑问句:Aretheyinthepark?Canheplaytheguitar?把下列句子变成一般疑问句1.Iamlisteningtomusic.2.Mikeisastudent.3.Sarahcancleantheclassroom.4.Theyareinthezoo.5.Therearesomeflowersinthevase.6.Thisismysister.7.Wearesweepingthefloor.3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some改成any，my改成your等）句点改成问号。
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，howmany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.Thegirlissingingintheclassroom.(改为否定句)(改为一般疑问句)2.Theyarelookingforbag.(对画线部分提问）3.Iamridingmybikenow.(同上)4.Therearetwelvestudentsoverthere.(同上）5.IcanspeakEnglish.(改为一般疑问句）1.what意为“什么”，用来对“事”或“职业”提问。
英语所有句型转换的方法（陈述句变否定句,一般疑问句特殊疑问句及练习）
英语所有句型转换的方法（陈述句变否定句,一般疑问句特殊疑问句及练习）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. 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。
陈述句变否定句一般疑问句特殊疑问句及练习(全面)
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.Jim is good at English and Maths. （对画线部分提问）4. The policeman caught the thief. （改为一般疑问句，作否定回答）5. Turn right at the third crossing. （改为否定句）6. How can I get to the shopping centre? （改为同义句）7. Are they American cars? （改为单数）8. Don’t go along this street. （改为肯定句）9. I get to the shopping centre by bus. （对画线部分提问）10. It always rains in summer there. （改为一般疑问句，作肯定回答）11. It’s cold in winter there. （对画线部分提问）12. I like autumn best. （改为否定句）13. Su Yang is asking Ben some questions. （对画线部分提问）14. Please turn off the light. （改为否定句）15. I know his telephone number. （改为一般疑问句）16. The children have school today. （改为否定句）17. I’d like to join them.（改为一般疑问句）18. They are going to see a film tomorrow. （对画线部分提问）19. I like collecting stamps and singing. （改为否定句）20. He often cleans his bedroom. （改为一般疑问句）21. Liu Tao is watering flowers in the garden. （对画线部分提问）22. David and Mike are going to planting trees this afternoon. （对画线部分提问）23. He did his homework in the classroom. （改为否定句）24. Wang Bing is heavier than Gao Shan. （对画线部分提问）25. Tom jumps as far as Mike. （改为否定句）26. The boy can jump higher than the girl. (改为否定句)27. Liu Tao needs some pencils. （改为否定句）28. Mary can fly. （变为一般疑问句，并作否定回答）29. He has a brother. （改为一般疑问句）30. Nancy drew some pictures yesterday. （改为否定句）。
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句型转换的方法一、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，should， will等后加not。
如：cannot， should not， will not；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。
4、 some 改成any。
把下面的句子变成否定句。
1.She is watching TV now.2.We go to school on Sunday.3.His father works hard.4.Jack's mother is a nurse.5.The cat runs fast.6.They like reading books.7.My grandpa gives me a hot dog.8.Tom often walks to school.9.I have a doll.10.It is eating fish.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，shall， will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/Did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，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。
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 man's shoulders.(改为一般疑问句）15. It's ten o'clock.(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 waiter and the waitress play table tennis every day.( 改为否定句）13. The boy is standing on the man's shoulders.(改为一般疑问句）14. It's ten o'clock.(对画线部分提问）以疑问词开头，对句中某一成分提问的句子叫特殊疑问句。
常用的疑问词有：what（什么）， who（谁），whose（谁的）， which（哪个）， when（何时）， where（哪里）， how（怎样）， why（为何）等。
1.what意为“什么”，用来对“事”或“职业”提问。
What is this? 这个是什么？What is your father? 你爸爸是做什么的？2. who意为“谁”，用来对“人”提问。
Who is behind the door? 谁在门后？3. whose意为“谁的”，用来对物主代词及名词所有格进行提问。
Whose bag is this? 这个包是谁的？4. which意为“哪个”，既可以对“人”提问，也可以对“物”提问。
which season do you like best? 你最喜欢哪个季节？5. when意为“什么时候”，对时间提问。
对具体钟点提问用“what time”。
When did you arrive? 你什么时候到的？What time does the first class begin? 几点钟开始第一堂课？6. why 意为“为什么”，对原因提问。
Why are you late? 你为什么迟到?Why don’t we go to together? 我们为什么不一起去？7. where 意为“在哪里”，对地点提问。
where is lily? Lily在哪里？8. how 意为“怎样”，对方式、程度、状态等提问。
How are you today? 你今天怎么样？How do you go to school every day? 你每天怎么去学校?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: _______ ? A: I want to make a kite.12、A:_______ 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）3.Jim is good at English and Maths. （对画线部分提问）4. The policeman caught the thief. （改为一般疑问句，作否定回答）5. Turn right at the third crossing. （改为否定句）6. How can I get to the shopping centre? （改为同义句）7. Are they American cars? （改为单数）8. Don’t go along this street. （改为肯定句）9. I get to the shopping centre by bus. （对画线部分提问）10. It always rains in summer there. （改为一般疑问句，作肯定回答）11. It’s cold in winter there. （对画线部分提问）12. I like autumn best. （改为否定句）13. Su Yang is asking Ben some questions. （对画线部分提问）14. Please turn off the light. （改为否定句）15. I know his telephone number. （改为一般疑问句）16. The children have school today. （改为否定句）17. I’d like to join them.（改为一般疑问句）18. They are going to see a film tomorrow. （对画线部分提问）19. I like collecting stamps and singing. （改为否定句）20. He often cleans his bedroom. （改为一般疑问句）21. Liu Tao is watering flowers in the garden. （对画线部分提问）22. David and Mike are going to planting trees this afternoon. （对画线部分提问）23. He did his homework in the classroom. （改为否定句）24. Wang Bing is heavier than Gao Shan. （对画线部分提问）25. Tom jumps as far as Mike. （改为否定句）26. The boy can jump higher than the girl. (改为否定句)27. Liu Tao needs some pencils. （改为否定句）28. Mary can fly. （变为一般疑问句，并作否定回答）29. He has a brother. （改为一般疑问句）30. Nancy drew some pictures yesterday. （改为否定句）31. Liu Tao usually reads newspaper. （改为过去时）。