小松英语-否定句-英语语法习题大全(附答案)
五年级英语现在进行时否定句练习题40题含答案解析
五年级英语现在进行时否定句练习题40题含答案解析1.She ______ reading a book now.A.isB.isn'tC.areD.aren't答案解析：B。
本题考查现在进行时的否定形式。
主语是she，be 动词应该用is，现在进行时的否定形式是在be 动词后加not，所以答案是isn't。
A 选项is 用于肯定句；C 选项are 用于复数主语和you；D 选项aren't 也用于复数主语和you。
2.They ______ playing basketball at the moment.A.isB.isn'tC.areD.aren't答案解析：D。
主语是they，be 动词用are，现在进行时的否定形式是aren't。
A 选项is 用于第三人称单数；B 选项isn't 用于第三人称单数的否定；C 选项are 用于肯定句。
3.He ______ singing a song in the classroom.A.isB.isn'tC.are答案解析：B。
主语是he，be 动词用is，否定形式是isn't。
A 选项is 用于肯定句；C 选项are 用于复数主语和you；D 选项aren't 用于复数主语和you。
4.We ______ doing our homework.A.isB.isn'tC.areD.aren't答案解析：D。
主语是we，be 动词用are，否定形式是aren't。
A 选项is 用于第三人称单数；B 选项isn't 用于第三人称单数的否定；C 选项are 用于肯定句。
5.The girl ______ dancing in the park.A.isB.isn'tC.areD.aren't答案解析：B。
主语是the girl，be 动词用is，否定形式是isn't。
四年级英语否定句单选题40题答案解析版
四年级英语否定句单选题40题答案解析版1.There ____ a cat in the classroom.A.isn'tB.aren'tC.isD.are答案：A。
本题考查be 动词的否定形式。
因为a cat 是单数，所以be 动词用is，否定形式是isn't。
B 选项aren't 用于复数名词；C 选项is 是肯定形式；D 选项are 也用于复数名词。
2.We ____ happy today.A.aren'tB.isn'tC.am notD.are答案：A。
本题中we 是复数人称，be 动词用are，否定形式是aren't。
B 选项isn't 用于第三人称单数；C 选项am not 用于I；D 选项are 是肯定形式。
3.The blackboard ____ clean.A.isn'tB.aren'tC.isD.are答案：A。
blackboard 是单数名词，be 动词用is，否定形式是isn't。
B 选项aren't 用于复数名词；C 选项is 是肯定形式；D 选项are 用于复数名词。
4.They ____ in the library.A.aren'tB.isn'tC.isD.are答案：A。
they 是复数人称，be 动词用are，否定形式是aren't。
B 选项isn't 用于第三人称单数；C 选项is 用于第三人称单数；D 选项are 是肯定形式。
5.The teacher ____ angry.A.isn'tB.aren'tC.isD.are答案：A。
teacher 是第三人称单数，be 动词用is，否定形式是isn't。
B 选项aren't 用于复数名词；C 选项is 是肯定形式；D 选项are 用于复数名词。
六年级英语一般过去时否定句练习题30题(带答案)
六年级英语一般过去时否定句练习题30题(带答案)1. I ________ go to the park yesterday.A.didB.didn'tC.wasD.wasn't答案解析：B。
一般过去时否定句的构成是“主语+didn't+动词原形”。
A 选项did 后缺少动词原形，不能单独使用；C 和D 选项是be 动词的过去式，不能和动词原形go 同时使用。
2. She ________ watch TV last night.A.didB.didn'tC.wasD.wasn't答案解析：B。
理由同上一题，A 选项did 后缺少动词原形；C 和D 选项be 动词不能和watch 同时使用。
3. We ________ play football on Sunday.A.didB.didn'tC.wereD.weren't答案解析：B。
一般过去时否定句用didn't+动词原形，A 选项did后无动词原形；C 和D 选项be 动词后不能跟动词原形play。
4. He ________ read a book in the morning.A.didB.didn'tC.wasD.wasn't答案解析：B。
一般过去时否定句结构是didn't+动词原形，A 选项did 后缺动词原形；C 和D 选项be 动词与read 不能同时使用。
5. They ________ go swimming yesterday afternoon.A.didB.didn'tC.wereD.weren't答案解析：B。
一般过去时否定句为didn't+动词原形，A 选项did 后无动词原形；C 和D 选项be 动词不能与go swimming 搭配。
6. I ________ have breakfast this morning.A.didB.didn'tC.wasD.wasn't答案解析：B。
四年级英语否定句练习题30题含答案解析
四年级英语否定句练习题30题含答案解析1.I am a student.（变为否定句）I am not a student.答案解析：在be 动词后加not 构成否定句。
am not 可缩写为“ain't”，但这种用法不正式，一般不建议使用。
本题中“am not”是正确答案。
2.She is a teacher.（变为否定句）She is not a teacher.答案解析：在is 后面加not 构成否定句。
本题“is not”是正确答案。
3.We are happy.（变为否定句）We are not happy.答案解析：在are 后面加not 构成否定句。
本题“are not”是正确答案。
4.They are friends.（变为否定句）They are not friends.答案解析：在are 后面加not 构成否定句。
本题“are not”是正确答案。
5.My mother is kind.（变为否定句）My mother is not kind.答案解析：在is 后面加not 构成否定句。
本题“is not”是正确答案。
6.My father is tall.（变为否定句）My father is not tall.答案解析：在is 后面加not 构成否定句。
本题“is not”是正确答案。
7.I am at home.（变为否定句）I am not at home.答案解析：在am 后面加not 构成否定句。
本题“am not”是正确答案。
8.She is in the classroom.（变为否定句）She is not in the classroom.答案解析：在is 后面加not 构成否定句。
本题“is not”是正确答案。
9.We are in the park.（变为否定句）We are not in the park.答案解析：在are 后面加not 构成否定句。
四年级英语否定句练习题30题含答案解析
四年级英语否定句练习题30题含答案解析1.She is a teacher.（改为否定句）She ______ a teacher.A.isn'tB.not isC.is not答案解析：A。
含有be 动词的句子变否定句，在be 动词后加not。
isn't 是is not 的缩写形式，B 选项语序错误，C 选项is not 比较正式，通常在书面语中使用，isn't 在口语和书面语中都比较常用。
2.He is a doctor.（改为否定句）He ______ a doctor.A.isn'tB.not isC.is not答案解析：A。
理由同第一题。
3.They are students.（改为否定句）They ______ students.A.aren'tB.not areC.are not答案解析：A。
含有be 动词are 的句子变否定句，在are 后加not，aren't 是are not 的缩写形式，B 选项语序错误，C 选项are not比较正式，aren't 在口语和书面语中都比较常用。
4.The cat is black.（改为否定句）The cat ______ black.A.isn'tB.not isC.is not答案解析：A。
含有be 动词is 的句子变否定句，在is 后加not，isn't 是is not 的缩写形式，B 选项语序错误，C 选项is not 比较正式，isn't 在口语和书面语中都比较常用。
5.The dog is white.（改为否定句）The dog ______ white.A.isn'tB.not isC.is not答案解析：A。
理由同第四题。
6.The book is on the desk.（改为否定句）The book ______ on the desk.A.isn'tB.not isC.is not答案解析：A。
初中英语语法之-否定(各类动词以及句型的否定,附专项练习 参考答案)
否定专项练习1. We are too busy to take a long holiday this year, ________ the fact that we can't afford it.A) not to speak B) not to mention C) to say anything of D) much less2. He didn’t arrive ________ the game had begun.A) until B) after C) when D) before3. They could hardly keep themselves alive, ________ look after a wife and children.A) or not B) and even not C) let alone D) as opposed to4. He is ________ have done such a foolish thing.A) as experienced as to B) more experienced than toC) too experienced to D) only too experienced to5. All knowledge is ________ , and when it fails to lead the students into the correct path, it is either in itself bad, or it has been very imperfectly acquired.A) bad B) not well C) worse D) not good6. ________ other big cats, leopards are expert climbers.A) The most unlike B) They are unlike mostC) Unlike the most D) Unlike most7. We should ________ look down upon the people who are inferior to us.A) by no means B) by any means C) at all D) in any way8. It won’t be long ________ imperialism comes to its end.A) when B) after C) until D) before9. She can ________ be held responsible for the terrible accident.A) in any way B) in a wayC) in no way D) in the way10. You are not to let anyone know where we are going ________.A) under no circumstances B) under any circumstancesC) by every means D) at no time11. Miss Keller was so intelligent that I could not ________ .A) but admire her B) admire herC) admiring her D) to admire her12. The ministry had no alternative ________ our rates.A) except raising B) but raiseC) but to raise D) without raising13. I will not lose confidence in the great cause ________.A) at no time B) at timesC) at a time D) at any time14. No human beings could possibly copy down all these facts, ________ remember and organize them.A) much more B) much lessC) still more D) more than15. The students cannot be ________ careful in performing the experiment as it is such a critical link in the whole project.A) very B) tooC) quite D) so16. ________ to finish quickly.A) No every student wantsB) No every student wantC) Not every student wantsD) Not every student want17. The students are ________ with these two famous scientists in the lab.A) too pleased to workB) too pleased that they cannot workC) only too pleased to workD) so pleased that they cannot work18. He does not know English, ________ German or French.A) nothing to say about B) to say nothing ofC) anything to say about D) to say anything of19. It's nearly impossible to go through a major city ________ a person who is or appears to be homeless.A) not to have seen B) not to seeC) without seeing D) without being seen20. I've got ________ Sundays free this month.A) never B) notC) none D) no21. The book is ________ me, but I'll never give up studying.A) above B) overC) under D) below22. I don't believe it. I think he is ________ such a thing.A) the only person to do B) the first person to doC) the last person to do D) the very person to do23. The experiment is ________ ; it was a great success.A) far from being a failure B) far away from a failureC) more than a failure D) nothing but a failure24. You can't be ________ careful when driving on the highway.A) very B) quiteC) so D) too25. The old lady whom Jack quarreled with yesterday is ________ Mary.A) not other than B) none other thanC) nobody other than D) no one other than26. If we're attacked we can't but ________ in self-defense.A) to fight back B) fight backC) fighting back D) only to fight back27. I know nothing about his journey ________ he is to be away for a month.A) provided that B) supposing thatC) now that D) except that28. I have never been back since we moved out, not even to the town, ________ to the house where I was born.A) still less B) still notC) even not D) no to mention29. I ________ her skill of performance, though I don't like her personally.A) can't but admitting B) can't help but admittingC) can't help but to admit D) can't help but admit30. She is ________ diligent than he is.A) no B) notC) no more D) not more1-5 BACBD 6-10 DADCB 11-15 ACDBB 16-20 CCBCD 21-25 ACADB 26-30 BDADC。
含有be动词句子的否定句 英语语法练习题(含答案)
含有be动词句子的否定句英语语法练习题（含答案）一、按照要求改写下面的句子1.Alice is tall .（改成否定句）___________________________________2.You aren’t friends.（改成肯定句）___________________________________3.Judy and James are classmates.（改成否定句）___________________________________4.We’re going to have a picnic.（改成否定句）___________________________________5.George isn’t hiding under the desk.（改成肯定句）___________________________________6.Peppa isn’t behind the curtain.（改成肯定句）___________________________________7.These are my friends.（改成否定句）___________________________________8.That is not fair.（改成肯定句）___________________________________9.This is Tower Bridge.（改成否定句）___________________________________10.That is my uncle.（改成否定句）___________________________________11.Those are her brothers.（改成否定句）___________________________________12.There is a really big puddle.（改成否定句）___________________________________13.There is not lots of snow.（改成肯定句）___________________________________二、找出两张图片的不同之处，用there is.../there are.../there isn’t.../there aren’t...回答三、先阅读下面这一篇别人介绍Amy的文章，然后画上自己的自画像或者贴上自己的照片，仿写一篇文章介绍自己答案：一、按照要求改写下面的句子1.Alice is tall .（改成否定句）Alice isn’t tall.2.You aren’t friends.（改成肯定句）You are friends.3.Judy and James are classmates.（改成否定句）Judy and James aren’t classmates.4.We’re going to have a picnic.（改成否定句）We’re not going to have a picnic.5.George isn’t hiding under the desk.（改成肯定句）George is hiding under the desk.6.Peppa isn’t behind the curtain.（改成肯定句）Peppa is behind the curtain.7.These are my friends.（改成否定句）These aren’t my friends.8.That is not fair.（改成肯定句）That is fair.9.This is Tower Bridge.（改成否定句）This isn’t Tower Bridge.10.That is my uncle.（改成否定句）That isn’t my uncle.11.Those are her brothers.（改成否定句）Those aren’t her brothers.12.There is a really big puddle.（改成否定句）There isn’t a really big puddle.13.There is not lots of snow.（改成肯定句）There is lots of snow.二、找出两张图片的不同之处，用there is.../there are.../there isn’t.../there aren’t...回答三、先阅读下面这一篇别人介绍Amy的文章，然后画上自己的自画像或者贴上自己的照片，仿写一篇文章介绍自己自画像或者照片。
四年级英语否定句练习题30题(答案解析)
四年级英语否定句练习题30题(答案解析)1.There isn't a library in our school.A.is a libraryB.isn't a libraryC.are a library答案解析：本题考查be 动词在否定句中的用法。
在我们学校没有图书馆，isn't 是否定形式，符合题意。
A 选项是肯定形式，与题干不符；C 选项be 动词使用错误，library 是单数，be 动词应用is。
2.She isn't a good student.A.is a good studentB.isn't a good studentC.are a good student答案解析：她不是一个好学生。
isn't 是否定形式，符合题意。
A 选项是肯定形式，与题干不符；C 选项be 动词使用错误，she 是第三人称单数，be 动词应用is。
3.We aren't in the classroom.A.are in the classroomB.aren't in the classroomC.is in the classroom答案解析：我们不在教室里。
aren't 是否定形式，符合题意。
A 选项是肯定形式，与题干不符；C 选项be 动词使用错误，we 是复数，be 动词应用are。
4.There aren't any apples on the table.A.are any applesB.aren't any applesC.is any apples答案解析：桌子上没有苹果。
aren't 是否定形式，符合题意。
A 选项是肯定形式，与题干不符；C 选项be 动词使用错误，apples 是复数，be 动词应用are。
5.He isn't tall.A.is tallB.isn't tallC.are tall答案解析：他不高。
小升初英语现在进行时否定句练习题50题含答案解析
小升初英语现在进行时否定句练习题50题含答案解析1.She is not reading a book.A.She is reading a book.B.She isn't reading a magazine.C.She is reading a newspaper.答案解析：本题考查现在进行时的否定句结构。
正确答案是“She is not reading a book.”，A 选项是肯定句，与题目不符；B 选项中“reading a magazine”与题目中的“reading a book”不同；C 选项中“reading a newspaper”也与题目中的“reading a book”不同。
2.They are not playing football.A.They are playing basketball.B.They aren't playing volleyball.C.They are playing football.答案解析：本题考查现在进行时否定句的识别。
正确答案是“They are not playing football.”，A 选项是“They are playing basketball.”与题目中的“playing football”不同；B 选项中“playing volleyball”与题目中的“playing football”不同；C 选项是肯定句，与题目要求不符。
3.I am not writing a letter.A.I am writing a story.B.I am not writing an email.C.I am writing a poem.答案解析：本题考查现在进行时否定句的判断。
正确答案是“I amnot writing a letter.”，A 选项“writing a story”与题目中的“writing a letter”不同；B 选项“writing an email”与题目中的“writing a letter”不同；C 选项“writing a poem”与题目中的“writing a letter”不同。
小升初英语现在进行时的否定句形式练习题40题含答案解析
小升初英语现在进行时的否定句形式练习题40题含答案解析1.The boy is not reading a book.A.reading a bookB.watching TVC.playing gamesD.doing homework答案解析：A。
本题中“The boy is not reading a book”为现在进行时的否定句，意思是“男孩不在读书”。
选项A“reading a book”与题干中重复，题干是否定句，所以选项 A 不正确。
选项B“watching TV”“看电视”，题干中未提及，不能判断男孩此时不在看电视。
选项C“playing games”“玩游戏”，题干中未提及，不能判断男孩此时不在玩游戏。
选项D“doing homework”“做作业”，题干中未提及，不能判断男孩此时不在做作业。
2.She is not singing a song.A.singing a songB.drawing a pictureC.runningD.swimming答案解析：A。
本题中“She is not singing a song”为现在进行时的否定句，意思是“她不在唱歌”。
选项A“singing a song”与题干中重复，题干是否定句，所以选项 A 不正确。
选项B“drawing a picture”“画画”，题干中未提及，不能判断她此时不在画画。
选项C“running”“跑步”，题干中未提及，不能判断她此时不在跑步。
选项D“swimming”“游泳”，题干中未提及，不能判断她此时不在游泳。
3.They are not playing football.A.playing footballB.playing basketballC.playing volleyballD.playing tennis答案解析：A。
本题中“They are not playing football”为现在进行时的否定句，意思是“他们不在踢足球”。
四年级英语否定句练习题30题带答案
四年级英语否定句练习题30题带答案1. The cat ______ white.A. isB. isn'tC. areD. aren't答案解析：B。
原句“The cat is white.”是主系表结构，描述猫是白色的。
在变为否定句时，因为主语“the cat”是单数第三人称，be动词要用“is”，其否定形式是“isn't”，所以选B。
2. There ______ five apples on the table.A. isB. isn'tC. areD. aren't答案解析：D。
原句“There are five apples on the table.”是there be句型，表示桌子上有五个苹果。
“five apples”是复数，be动词用“are”，变为否定句时，be 动词“are”的否定形式是“aren't”，所以选D。
3. My dog ______ big.A. isB. isn'tC. areD. aren't答案解析：B。
原句“My dog is big.”是主系表结构，描述我的狗是大的。
主语“my dog”是单数第三人称，be动词用“is”，否定形式为“isn't”，所以选B。
4. The sky ______ black.A. isB. isn'tC. areD. aren't答案解析：B。
原句“The sky is black.”是主系表结构，描述天空是黑色的。
“the sky”是单数第三人称，be动词用“is”，否定形式为“isn't”，所以选B。
5. There ______ a book in my bag.A. isB. isn'tC. areD. aren't答案解析：A。
原句“There is a book in my bag.”是there be句型，表示我的包里有一本书。
高二英语情态动词否定用法练习题20题含答案解析
高二英语情态动词否定用法练习题20题含答案解析1.You mustn't talk loudly in the library.A.can talk loudlyB.should talk loudlyC.may talk loudly答案解析：图书馆里禁止大声说话，mustn't 表示禁止。
A 选项可以大声说话，与题干不符；B 选项应该大声说话，也不符合图书馆的规定；C 选项可以大声说话，同样错误。
2.You can't eat in class.A.must eat in classB.should eat in classC.may eat in class答案解析：课堂上不能吃东西，can't 表示不能。
A 选项必须在课堂上吃东西，错误；B 选项应该在课堂上吃东西，错误；C 选项可以在课堂上吃东西，错误。
3.You shouldn't be late for school.A.must be late for schoolB.can be late for schoolC.may be late for school答案解析：上学不应该迟到，shouldn't 表示不应该。
A 选项必须迟到，错误；B 选项可以迟到，错误；C 选项可以迟到，错误。
4.You needn't do all the homework in one day.A.must do all the homework in one dayB.should do all the homework in one dayC.may do all the homework in one day答案解析：你不必在一天内做完所有作业，needn't 表示不必。
A 选项必须在一天内做完所有作业，错误；B 选项应该在一天内做完所有作业，错误；C 选项可以在一天内做完所有作业，错误。
小升初英语现在进行时否定句练习题20题带答案解析
小升初英语现在进行时否定句练习题20题带答案解析1.She ______ reading a book now.A.isn'tB.aren'tC.am notD.not答案解析：A。
主语是she，be 动词用is，现在进行时的否定形式是isn't。
B 选项aren't 用于主语是复数或you 的时候；C 选项am not 用于主语是I 的时候；D 选项缺少be 动词。
2.They ______ playing football at the moment.A.isn'tB.aren'tC.am notD.not答案解析：B。
主语是they，be 动词用are，现在进行时的否定形式是aren't。
A 选项isn't 用于主语是第三人称单数的时候；C 选项am not 用于主语是I 的时候；D 选项缺少be 动词。
3.I ______ doing my homework.A.isn'tB.aren'tC.am notD.not答案解析：C。
主语是I，be 动词用am，现在进行时的否定形式是am not。
A 选项isn't 用于主语是第三人称单数的时候；B 选项aren't 用于主语是复数或you 的时候；D 选项缺少be 动词。
4.He ______ watching TV.A.isn'tB.aren'tC.am notD.not答案解析：A。
主语是he，be 动词用is，现在进行时的否定形式是isn't。
B 选项aren't 用于主语是复数或you 的时候；C 选项am not 用于主语是I 的时候；D 选项缺少be 动词。
5.We ______ having a picnic.A.isn'tB.aren'tC.am notD.not答案解析：B。
主语是we，be 动词用are，现在进行时的否定形式是aren't。
四年级英语否定句练习题40题
四年级英语否定句练习题40题1.There ____ a cat on the table.A.isn'tB.aren'tC.am notD.be not答案：A。
本题考查be 动词的否定形式。
主语是a cat，是单数，be 动词用is，否定形式是isn't。
B 选项aren't 用于复数主语。
C 选项am not 用于I 做主语。
D 选项be not 不是正确的用法。
2.There ____ any apples in the basket.A.isn'tB.aren'tC.am notD.be not答案：B。
主语是apples，是复数，be 动词用are，否定形式是aren't。
A 选项isn't 用于单数主语。
C 选项am not 用于I 做主语。
D 选项be not 不是正确的用法。
3.The dog ____ black.A.isn'tB.aren'tC.am notD.be not答案：A。
主语是the dog，是单数，be 动词用is，否定形式是isn't。
B 选项aren't 用于复数主语。
C 选项am not 用于I 做主语。
D 选项be not 不是正确的用法。
4.There ____ a book on the desk.A.isn'tB.aren'tC.am notD.be not答案：A。
主语是a book，是单数，be 动词用is，否定形式是isn't。
B 选项aren't 用于复数主语。
C 选项am not 用于I 做主语。
D 选项be not 不是正确的用法。
5.The bird ____ in the cage.A.isn'tB.aren'tC.am notD.be not答案：A。
主语是the bird，是单数，be 动词用is，否定形式是isn't。
四年级英语否定句练习题40题
四年级英语否定句练习题40题1.She is a teacher.A.isn'tB.notC.don't答案解析：A。
be 动词的否定形式是在be 动词后加not，is not 可缩写为isn't。
选项B 单独的not 不能直接用来否定be 动词。
选项C don't 是用来否定实义动词的，不能否定be 动词。
2.He is a student.A.isn'tB.notC.don't答案解析：A。
理由同上。
3.They are friends.A.aren'tB.notC.don't答案解析：A。
be 动词are 的否定形式是aren't。
选项B 和C 错误原因同上。
4.I am happy.A.amn'tB.notD.am not答案解析：D。
am 的否定形式是am not，不能缩写为amn't。
选项B 单独的not 不能直接否定be 动词。
选项C aren't 是are 的否定形式，不能用于I。
5.My brother is tall.A.isn'tB.notC.don't答案解析：A。
理由同上。
6.The girl is beautiful.A.isn'tB.notC.don't答案解析：A。
理由同上。
7.We are in the classroom.A.aren'tB.notC.don't答案解析：A。
理由同上。
8.My mother is a nurse.A.isn'tC.don't答案解析：A。
理由同上。
9.The dog is cute.A.isn'tB.notC.don't答案解析：A。
理由同上。
10.The book is on the desk.A.isn'tB.notC.don't答案解析：A。
五年级英语否定句单选题40题答案解析版
五年级英语否定句单选题40题答案解析版1.There ____ a dog in the classroom.A.isn'tB.aren'tC.be notD.not be答案：A。
“a dog”是单数，be 动词否定形式要用isn't。
B 选项aren't 用于复数名词；C 选项be not 形式错误；D 选项not be 顺序错误。
2.My brother ____ at home now.A.isn'tB.aren'tC.be notD.not be答案：A。
“my brother”是第三人称单数，be 动词否定形式要用isn't。
B 选项aren't 用于复数名词；C 选项be not 形式错误；D 选项not be 顺序错误。
3.We ____ happy today.A.aren'tB.isn'tC.be notD.not be答案：A。
“we”是复数，be 动词否定形式要用aren't。
B 选项isn't 用于第三人称单数；C 选项be not 形式错误；D 选项not be 顺序错误。
4.They ____ in the park.A.aren'tB.isn'tC.be notD.not be答案：A。
“they”是复数，be 动词否定形式要用aren't。
B 选项isn't 用于第三人称单数；C 选项be not 形式错误；D 选项not be 顺序错误。
5.The cat ____ on the bed.A.isn'tB.aren'tC.be notD.not be答案：A。
“the cat”是单数，be 动词否定形式要用isn't。
B 选项aren't 用于复数名词；C 选项be not 形式错误；D 选项not be 顺序错误。
六年级英语一般过去时否定句练习题30题(答案解析)
六年级英语一般过去时否定句练习题30题(答案解析)1. I ______ play football yesterday.A.don'tB.didn'tC.wasn'tD.weren't答案解析：B。
一般过去时否定句的构成是“主语+didn't+动词原形”。
A 选项don't 是一般现在时的否定形式；C 和 D 选项was/were+not 后面要接动词的现在分词形式，不能接动词原形play。
2. She ______ go to the park last weekend.A.don'tB.didn'tC.wasn'tD.weren't答案解析：B。
理由同上一题。
A 选项don't 错误原因同上；C 和D 选项was/were+not 后面不能接动词原形go。
3. We ______ watch TV on Monday.A.don'tB.didn'tC.wasn'tD.weren't答案解析：B。
一般过去时否定句用didn't+动词原形。
A 选项don't 是一般现在时否定；C 和D 选项was/were+not 后面接动词现在分词不合适。
4. He ______ read a book last night.A.don'tB.didn'tC.wasn'tD.weren't答案解析：B。
一般过去时否定句结构决定。
A 选项don't 是现在时否定；C 和 D 选项was/were+not 不适用此处read（过去式）的否定。
5. They ______ swim in the river yesterday.A.don'tB.didn'tC.wasn'tD.weren't答案解析：B。
一般过去时否定句正确形式是didn't+动词原形。
六年级英语一般过去时否定句练习题30题含答案解析
六年级英语一般过去时否定句练习题30题含答案解析1.He didn't go to school yesterday.A.didn't go to parkB.didn't go to zooC.didn't go to hospital答案解析：答案是A。
本题考查一般过去时否定句的用法。
B 选项和C 选项都是其他地点，与题干中的school 没有直接关联。
A 选项与题干中的school 一样都是表示没去某个地点，但是park 与题干中的yesterday 的日常活动场景不太符合上学这个情境，所以不选A。
题干中的句子是标准的一般过去时否定句，didn't+动词原形表示过去没有做某事。
2.She didn't eat an apple after lunch.A.didn't eat a bananaB.didn't eat an orangeC.didn't eat a pear答案解析：答案是B。
A 选项banana 和题干中的apple 都是水果，但题干是after lunch 的场景，香蕉在这个场景下不是很常见。
C 选项pear 同理。
B 选项orange 在午餐后吃比较常见，但是题干是否定句，意思是她午餐后没有吃苹果，也没有吃橘子。
这里考查的是一般过去时否定句didn't eat 的用法，后面跟的是食物名称。
3.They didn't play football in the park.A.didn't play basketball in the parkB.didn't play volleyball in the parkC.didn't play tennis in the park答案解析：答案是A。
B 选项volleyball 和C 选项tennis 在公园里玩相对较少，而football 和basketball 在公园比较常见。
四年级英语否定句练习题30题(带答案)
四年级英语否定句练习题30题(带答案)1. My cat ______ lazy. It is very active.A. isB. isn'tC. areD. aren't答案解析：A选项“is”是肯定形式，不符合句子意思，因为后面说猫很活跃，不是懒的，所以这里要用否定形式；C选项“are”用于复数主语，而“my cat”是单数，不能用“are”；D选项“aren't”也是用于复数主语的否定形式；正确答案是B“isn't”，在将肯定句变为否定句时，如果句子中有be动词（这里是is），就在be动词后加not，这里缩写为isn't。
2. The boy ______ tall. He is short.A. isB. isn'tC. areD. aren't答案解析：A选项“is”是肯定形式，句子说男孩是矮的，不是高的，所以不能用肯定形式；C选项“are”用于复数主语，“the boy”是单数；D选项“aren't”用于复数主语的否定形式；正确答案是B“isn't”，将肯定句转换为否定句时，句子中的be动词is后面加not，缩写成isn't。
3. My sister ______ a teacher. She is a student.A. isB. isn'tC. areD. aren't答案解析：A选项“is”为肯定形式，根据句子意思姐姐是学生不是老师，不能用肯定形式；C选项“are”用于复数主语，“my sister”是单数；D选项“aren't”用于复数主语的否定形式；正确答案是B“isn't”，肯定句变否定句，be动词is后加not，写成isn't。
4. The dog ______ quiet. It is noisy.A. isB. isn'tC. areD. aren't答案解析：A选项“is”是肯定形式，狗是吵闹的不是安静的，所以不能用肯定形式；C选项“are”用于复数主语，“the dog”是单数；D 选项“aren't”用于复数主语的否定形式；正确答案是B“isn't”，在有be 动词is的肯定句变为否定句时，is后加not，缩写为isn't。