下载文档原格式
肯定句改否定句和一般疑问句一、实义动词He often goes to bed at ten.We do eye exercises every day.She came to Japan in 1990.二、系动词I am your friend.Her mother is a teacher.There are two books on the desk.Yesterday was July 1, 1995.They were in Beijing in 1990.三、进行时The girl is standing at the station.The students are playing basketball on the playground..I am looking for a dog.四、情态动词Lucy will be back in four days. You can use this dictionary.You need go tomorrow.You should study hard..将下列陈述句变为否定句和一般疑问句。
1.He found his pen under his desk.2.We must go to the meeting right now.3.I wrote him a letter last week.4.My sister sings beautifully.5.Mary missed the bus.6.This bus will take you right to the city.7.They are doing questions and answers with theteachers.8.My father has his lunch at 11:30 everyday.9.There is a policeman at the corner of the road..10.Wang made some model ships for the boys.11.I saw somebody in the room just now.12.There is some wonderful news in today’s paper.13.Xiao Li dropped the letter into the letter box.14.They are playing on the playground.15.Tom often tells them stories in French.16.After class some students play balls.17.Mary is reading newspaper now.18.I telephoned you yesterday.19.You have to go now.20.I have a house in the country.21.We did our homework together.22.They study for examination. 23.We are talking about the film.24.I can go to the zoo today.25.The first class begins at eight o’clock.26.It takes you three hours to go to Paris by air.27.I reviewed my lessons yesterday.28.I’ll go home by bus.29.He forgot to post the letter this morning.30.This room is going to be painted next week.肯定句变否定句和一般疑问句类型答案一、实义动词He often goes to bed at ten.→He does not often go to bed at ten.→Does he often go to bed at ten?We do eye exercises every day.→We don’t do eye exercises every day.→Do you do eye exercises every day?She came to Japan in 1990.→She did not come to Japan in 1990.→Did she come to Japan in 1990?二、系动词I am your friend.→I am not your friend.→Are you my friend?Her mother is a teacher.→Her mother is not a teacher→Is her mother a teacher?There are two books on the desk.→There are not two books on the desk→Are there two books on the desk?Yesterday was July 1, 1995.→Yesterday was not July 1, 1995.→Was yesterday July 1, 1995?They were in Beijing in 1990.→They were not in Beijing in 1990→Were they in Beijing in 1990?三、进行时The girl is standing at the station.→The girl is not standing at the station.→Is the girl standing at the station?The students are playing basketball on the playground. →The students are not playing basketball on the playground.→Are the students playing basketball on the playground?I am looking for a dog.→I am not looking for a dog.→Are you looking for a dog?He was writing letters at this time last night.→He was not writing letters at this time last night.→Was he writing letters at this time last night?We were having a meeting this time yesterday.→We were not having a meeting this time yesterday.→Were you having a meeting this time yesterday?四、情态动词Lucy will be back in four days.→Lucy will not be back in four days.→Will Lucy be back in four days?You can use this dictionary.→You can not use this dictionary.→Can I use this dictionary?You need go tomorrow.→You need not go tomorrow.→Need I go tomorrow?You should study hard.→You should not study hard..→should I study hard?将下列陈述句变为否定句和一般疑问句。
肯定句改否定句英语
一、肯定句改否定句的规则
1.在动词前面加not。
2.有be动词，将be动词提前改成否定形式。
3.有情态动词，将情态动词提前改成否定形式。
4.没有助动词或情态动词，需要添加助动词do或does，然后将动词改为原
型。
二、肯定句改否定句的例子
1.I like English.（我喜欢英语。
）
否定句：I don't like English.
2.He is a student.（他是一个学生。
）
否定句：He is not a student.
3.We can swim.（我们可以游泳。
）
否定句：We cannot swim.
4.They have a book.（他们有一本书。
）
否定句：They do not have a book.
5.My mother is a doctor.（我的妈妈是一位医生。
）
否定句：My mother is not a doctor.
6.The sun rises in the east.（太阳从东方升起。
）
否定句：The sun does not rise in the east.
7.It was Sunday yesterday.（昨天是星期天。
）
否定句：It was not Sunday yesterday.。
肯定句变否定句练习题三年级英语1. 肯定句：The cat is on the table.否定句：The cat is not on the table.2. 肯定句：I have a new toy.否定句：I do not have a new toy.3. 肯定句：She is playing with her friends.否定句：She is not playing with her friends.4. 肯定句：The sun is shining brightly.否定句：The sun is not shining brightly.5. 肯定句：We can see the stars at night.否定句：We cannot see the stars at night.6. 肯定句：He likes to eat apples.否定句：He does not like to eat apples.7. 肯定句：They are going to the park.否定句：They are not going to the park.8. 肯定句：My sister watches TV every day.否定句：My sister does not watch TV every day.9. 肯定句：The birds are singing in the trees.否定句：The birds are not singing in the trees.10. 肯定句：There is a book on the shelf.否定句：There is not a book on the shelf.11. 肯定句：We have a big house.否定句：We do not have a big house.12. 肯定句：She can swim in the pool.否定句：She cannot swim in the pool.13. 肯定句：They are having lunch now.否定句：They are not having lunch now.14. 肯定句：The flowers are beautiful.否定句：The flowers are not beautiful.15. 肯定句：He is reading a book.否定句：He is not reading a book.16. 肯定句：I am happy to see you.否定句：I am not happy to see you.17. 肯定句：The dog is barking at the door.否定句：The dog is not barking at the door.18. 肯定句：She has a lot of homework.否定句：She does not have a lot of homework.19. 肯定句：They are listening to music.否定句：They are not listening to music. 20. 肯定句：There are many cars on the road.否定句：There are not many cars on the road.这些练习题可以帮助三年级的学生练习将肯定句转换为否定句，理解否定句的结构，并提高他们的英语语法能力。
英语语法：肯定句如何变为否定句？一、陈述句、肯定句、否定句、肯定陈述句、否定陈述句、祈使句•陈述句：Lily is a student. •祈使句：Open the door.•肯定句：Lily is a student. •否定句：Lily is not a student. •肯定陈述句：Lily is a student •否定陈述句：Lily is not a student.t二、动词：一般表示动作或者状态Be动词:is、am、are情态动词：can、should、will、may、must、need助动词: do、does(第三人称单数）实义动词： have、has（第三人称单数）三、动词+not 的缩写三、肯定句改为否定句（1）肯定句改为否定句：找到Be动词，在后面加not。
找到Be动词：is、am、are，在Be动词后面直接加not，变成is not,am not ,are not，或缩写成isn’t,am not,aren’t例如：肯定句1：Amy is a good girl. 否定句1：Amy is not a good girl. 肯定句2：I am a student. 否定句2：I am not a student.肯定句3：These flowers are very beautiful.否定句3：These flowers are not very beautiful.（2）肯定句改为否定句：找到情态动词，在后面加not。
找到情态动词：can、should、will、may、must、need，在情态动词后面直接加not ，变成 can not, should not, will not,may not，must not，need not 或缩写成can’t ，shouldn't，won’t ，mayn't，mustn't，needn’t例如：肯定句1：I can speak English. 否定句1：I can not speak English.肯定句2：You should go now. 否定句2：You should not go now.肯定句3：I must do my homework. 否定句3：I must not do my homework.（3）肯定句改为否定句：在动词前面加 don't 或doesn't。
2024年三年级英语肯定句转换否定句单选题30题1.I have a cat.A.I have not a cat.B.I don't have a cat.C.I haven't cat.答案：B。
肯定句“I have a cat.”变否定句，在have 前加don't，即“I don't have a cat.”。
选项A 表述错误。
选项C 少了a。
2.She has a book.A.She has not a book.B.She doesn't have a book.C.She haven't book.答案：B。
肯定句“She has a book.”变否定句，在has 前加doesn't，同时has 变回原形have，即“She doesn't have a book.”。
选项 A 表述错误。
选项C 少了a 且haven't 用法错误。
3.I like apples.A.I like not apples.B.I don't like apples.C.I haven't like apples.答案：B。
肯定句“I like apples.”变否定句，在like 前加don't，即“I don't like apples.”。
选项A 表述错误。
选项C 用法错误。
4.He has a dog.A.He has not a dog.B.He doesn't have a dog.C.He haven't dog.答案：B。
肯定句“He has a dog.”变否定句，在has 前加doesn't，同时has 变回原形have，即“He doesn't have a dog.”。
选项 A 表述错误。
选项C 少了a 且haven't 用法错误。
5.We have pencils.A.We have not pencils.B.We don't have pencils.C.We haven't pencils.答案：B。
肯定句改否定句和一般疑问句一、实义动词He often goes to bed at ten.We do eye exercises every day.She came to Japan in 1990.二、系动词I am your friend.Her mother is a teacher.There are two books on the desk.Yesterday was July 1, 1995.They were in Beijing in 1990.三、进行时The girl is standing at the station.The students are playing basketball on the playground..I am looking for a dog.四、情态动词Lucy will be back in four days. You can use this dictionary.You need go tomorrow.You should study hard..将下列陈述句变为否定句和一般疑问句。
1.He found his pen under his desk.2.We must go to the meeting right now.3.I wrote him a letter last week.4.My sister sings beautifully.5.Mary missed the bus.6.This bus will take you right to the city.7.They are doing questions and answers with theteachers.8.My father has his lunch at 11:30 everyday.9.There is a policeman at the corner of the road..10.Wang made some model ships for the boys.11.I saw somebody in the room just now.12.There is some wonderful news in today’s paper.13.Xiao Li dropped the letter into the letter box.14.They are playing on the playground.15.Tom often tells them stories in French.16.After class some students play balls.17.Mary is reading newspaper now.18.I telephoned you yesterday.19.You have to go now.20.I have a house in the country.21.We did our homework together.22.They study for examination. 23.We are talking about the film.24.I can go to the zoo today.25.The first class begins at eight o’clock.26.It takes you three hours to go to Paris by air.27.I reviewed my lessons yesterday.28.I’ll go home by bus.29.He forgot to post the letter this morning.30.This room is going to be painted next week.肯定句变否定句和一般疑问句类型答案一、实义动词He often goes to bed at ten.→He does not often go to bed at ten.→Does he often go to bed at ten?We do eye exercises every day.→We don’t do eye exercises every day.→Do you do eye exercises every day?She came to Japan in 1990.→She did not come to Japan in 1990.→Did she come to Japan in 1990?二、系动词I am your friend.→I am not your friend.→Are you my friend?Her mother is a teacher.→Her mother is not a teacher→Is her mother a teacher?There are two books on the desk.→There are not two books on the desk→Are there two books on the desk?Yesterday was July 1, 1995.→Yesterday was not July 1, 1995.→Was yesterday July 1, 1995?They were in Beijing in 1990.→They were not in Beijing in 1990→Were they in Beijing in 1990?三、进行时The girl is standing at the station.→The girl is not standing at the station.→Is the girl standing at the station?The students are playing basketball on the playground. →The students are not playing basketball on the playground.→Are the students playing basketball on the playground?I am looking for a dog.→I am not looking for a dog.→Are you looking for a dog?He was writing letters at this time last night.→He was not writing letters at this time last night.→Was he writing letters at this time last night?We were having a meeting this time yesterday.→We were not having a meeting this time yesterday.→Were you having a meeting this time yesterday?四、情态动词Lucy will be back in four days.→Lucy will not be back in four days.→Will Lucy be back in four days?You can use this dictionary.→You can not use this dictionary.→Can I use this dictionary?You need go tomorrow.→You need not go tomorrow.→Need I go tomorrow?You should study hard.→You should not study hard..→should I study hard?将下列陈述句变为否定句和一般疑问句。
三年级英语肯定句转换否定句练习题30题含答案解析1.I am a student.A.I am not a student.B.I'm not student.C.I am no a student.答案解析：A。
在肯定句变否定句时，有be 动词的情况下，在be 动词后加not。
am not 可以缩写为aren't。
2.She is a teacher.A.She is not a teacher.B.She isn't teacher.C.She is no a teacher.答案解析：A。
有be 动词is 的肯定句变否定句，在is 后加not。
3.It is a book.A.It is not a book.B.It isn't book.C.It is no a book.答案解析：A。
有be 动词is 的肯定句变否定句，在is 后加not。
4.This is a pen.A.This is not a pen.B.This isn't pen.C.This is no a pen.答案解析：A。
有be 动词is 的肯定句变否定句，在is 后加not。
5.That is an apple.A.That is not an apple.B.That isn't apple.C.That is no an apple.答案解析：A。
有be 动词is 的肯定句变否定句，在is 后加not。
6.We are friends.A.We are not friends.B.We aren't friends.C.We are no friends.答案解析：A。
有be 动词are 的肯定句变否定句，在are 后加not。
are not 可以缩写为aren't。
7.They are students.A.They are not students.B.They aren't students.C.They are no students.答案解析：A。
三年级英语肯定句转换否定句单选题30题1. I like apples.A. I don't like apples.B. I not like apples.C. I no like apples.答案：A。
解析：在肯定句变否定句时，要在动词前加don't 或doesn't。
I 是第一人称，用don't，所以是I don't like apples.2. The cat is cute.A. The cat isn't cute.B. The cat not is cute.C. The cat no is cute.答案：A。
解析：is 的否定形式是isn't，所以The cat is cute. 的否定句是The cat isn't cute.3. We have bananas.A. We don't have bananas.B. We not have bananas.C. We no have bananas.答案：A。
解析：have 表示“有”时，否定形式是don't have，所以We have bananas. 变为否定句是We don't have bananas.4. The dog has a toy.A. The dog doesn't have a toy.B. The dog not has a toy.C. The dog no has a toy.答案：A。
解析：has 是have 的第三人称单数形式，否定形式是doesn't have，所以The dog has a toy. 否定句是The dog doesn't have a toy.5. They like oranges.A. They don't like oranges.B. They not like oranges.C. They no like oranges.答案：A。
专题 : 把一定句改成否认句把一定句改成否认句分以下状况：1、句中有 be 动词的，在 be 动词后加 not；2、句中有神态动词的（ can ,should，must ，would ），在神态动词后边加 not；3、句中没有 be 动词和神态动词的，在动词前加don’t或 doesn’；t①句中动词为原形的，加don’t如.： I like apples.I do n’liket apples.②句中动词为三单式的，加doesn’t，并将三单式的动词复原成原形。
如： He likes apples.He doesn’t like apples.③时态为过去时的 ,要加 didn ’t 并且动词过去式要改为原形,例 :I went to school yesterday →.I didn ’got to school yesterday .4.一定句中的 some在否认句中应改为 any如： There are some students in the classroom. There are not any students in the classroom.将以下各句改成否认句1、Tom’s brother is walking in the park.______________________________________________________ 2、There are some books in the bookcase.______________________________________________________3、The students of Class 5 are cleaning the classroom.______________________________________________________ 4、I ’m a student.5、Stop and wait at a red light._________________________________________________ 6、Your father can ride a bike.______________________________________________________ 7、They can play football after school.______________________________________________________ 8、We come from China.______________________________________________________ 9、 Touch the door.______________________________________________________将以下否认句变一定句1、Don’t goat a red light.2、Don’t run on the ferry._______________________________________________ 3、I don’t go to school.4、 The ferry doesn’t work. _______________________________________________ 5、Don’t turn left on the road.______________________________________________________。
三年级英语肯定句转换否定句练习题50题含答案解析1.I am a boy.A.I am not a boy.答案解析：肯定句变否定句，在be 动词后加not。
此句中在am 后加not 变为否定句。
2.She is a teacher.A.She is not a teacher.答案解析：肯定句变否定句，在be 动词后加not。
此句中在is 后加not 变为否定句。
3.He is a student.A.He is not a student.答案解析：肯定句变否定句，在be 动词后加not。
此句中在is 后加not 变为否定句。
4.We are friends.A.We are not friends.答案解析：肯定句变否定句，在be 动词后加not。
此句中在are 后加not 变为否定句。
5.They are happy.A.They are not happy.答案解析：肯定句变否定句，在be 动词后加not。
此句中在are 后加not 变为否定句。
6.I have a book.A.I do not have a book.答案解析：肯定句中有实义动词have，变否定句借助助动词do，在do 后加not，have 用原形。
7.She has a pen.A.She does not have a pen.答案解析：肯定句中有实义动词has，变否定句借助助动词does，在does 后加not，has 变为have。
8.He likes apples.A.He does not like apples.答案解析：肯定句中有实义动词likes，变否定句借助助动词does，在does 后加not，likes 变为like。
9.We play games.A.We do not play games.答案解析：肯定句中有实义动词play，变否定句借助助动词do，在do 后加not。
10.They sing songs.A.They do not sing songs.答案解析：肯定句中有实义动词sing，变否定句借助助动词do，在do 后加not。
