肯定句变否定句的例子英语

英语否定句例子

（1）一般否定句Idon'tknowthis.否定句式Nonewsisgoodnews.否定词noThereisnopersonsmokinghere.

肯定句变否定句20个例子英语如下：

1、I think she is there.

否：I don't think she is there.

2、He can sing this song and that one.

否：He cannot sing this song or that one.

3、Tom went to school too.

否：Tom didn't go to school either.

4、He has had supper already.

否：He hasn't had supper yet.

5、He had a good rest just now.

否：He didn't have a good rest just now.

6、Let's do it.

否：Don't let's do it.或Let's not do it.

7、He always gets there on time.

否：He never gets there on time.

肯定句变否定句方法：

1、be动词的否定式。

be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.

He is reading.——He is not reading. They are from China. ——They are not from China.

2、情态动词的否定式。

情态动词的否定式是在其后面直接加not. 如：

I can swim. ——I can't swim. He can dance. —— He can't dance. You should go to school at seven. ——You shouldn't go to school at seven.

3、实义动词的否定句。

实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ don't / doesn't+动词原形+其它 。

参考I can not play football

肯定句变否定句的例子英语

肯定句变否定句的方法如下：

1、首先，要看肯定句中是否有情态动词，如果有情态动词，直接在情态动词后面加not即可，同时句中如果有some，some就要变成any。

肯定句：Mike can help you solve the problem.译文：迈克可以帮你解决那个问题。

否定句：Mike can't help you solve the problem. 译文：迈克不能帮你解决那个问题。

2、如果肯定句中没有情态动词，那就要看句中有无be动词的相应形式，如果有，直接在be动词后面加not，句中有some，some变any。

肯定句：I am an English teacher.译文：我是一名英语老师。

否定句：I‘m not an English teacher.译文：我不是一名英语老师。

3、如果肯定句中既没有情态动词，也没有be动词，那么就要用相应的助动词加上not来变换，句中有some，some变any。

肯定句：She likes helping others.译文：她喜欢帮助别人。

否定句：She doesn't like helping others.译文：她不喜欢帮助别人。

肯定句变否定句 1. 简单句中含有系动词be和情态动词时，变否定句时需在系动词be和情态动词后加not。如： I am a teacher．→I am not a teacher． He can help me．→He can"t help me． 2. 简单句中谓语动词为行为动词时，要根据时态选用do的相应形式，把肯定句变为否定句。如： The little girl wants to go there．→The little girl doesn"t want to go there． He did his work yesterday．→ He didn"t do his work yesterday． 3．祈使句变否定句时，一般在句首加Don"t，但Let us或Let"s开头的祈使句在 Let us或 Let"s后加not即可。如： Put them over there．→Don"t put them over there． Let us go home．→Let us not go home． 4．主从复合句中，主句是I think，I believe等结构，变否定句时，形式上否定主句，实际上否定从句。如： I don"t think chickens can swim ．我认为鸡不会游泳。 5．“had better ＋动词原形”，变否定句时为“had better not ＋动词原形”。如： You"d better go to school．→ You"d better not go to school． 6．动词不定式变否定式时，常在不定式to前加not。如： The teacher tells me to do it．→ The teacher tells me not to do it． 7．使役动词和感官动词（make，let，hear，see，watch等）后接省略to的不定式，此种不定式变否定句时只需在省略to的动词原形前加not。如： I saw her work．→I saw her not work． 8．特殊形式的否定句，有以下几种： （1）肯定句含有every-的合成词时，变否定句时改为no-。如： Everything is ready．→Nothing is ready． （2）肯定句中含有always， usually和ever时，变否定句时改为never。如： He is always late for school．→He is never late for school． （3）肯定句含有many，much时，变否定句时分别改为few，little。如： Many students know him．→Few students know him． （4）肯定句中含有still时，变否定句时应改为no longer。如： Tom is still in bed．→Tom is no longer in bed． （5）肯定句含有both， both．．．and，all时，变否定句时应改为never，neither．．．nor，none。如： Both of us are students．→Neither of us is a student． （6）肯定句含有nearly， almost时，变否定句时应改为 hardly。如： Lily nearly knows him ．→Lily hardly knows him ． （7）肯定句含有“形容词＋ enough”时，变为否定句时应改为“too ＋形容词的反义词”。如： He is short enough to reach it.→He is too tall to reach it． 9.肯定句变否定句时，某些形容词，不定代词，或副词等也会作相应的改变。例如： 1）. I can see some mountains far away. → I can’t see any mountains far away.(some 变成any) 2）. He has already have peakfast. → He hasn’t have peakfast yet.(already 变成yet) 3）. We can swim, too. → We can’t swim, either.(too变成either) 4）. Jim likes meat very much. → Jim doesn’t like meat at all. (very much变成 not at all) 5）He likes singing and dancing. →He doesn‘t like singing or dancing.(and 变成 or) 和代词all, each, everyone, everybody,及副词both, quite, altogether, always等词连用时表示部分否定。 No all the students prefer maths. 并非所有的学生都喜欢数学。 It is not always sunny here. 这里并不总是阳光明媚。 The answer is not quite proper. 这个答案并不完全正确。

肯定句变否定句20个例子英语如下：

1、I think she is there.

否：I don't think she is there.

2、He can sing this song and that one.

否：He cannot sing this song or that one.

3、Tom went to school too.

否：Tom didn't go to school either.

4、He has had supper already.

否：He hasn't had supper yet.

5、He had a good rest just now.

否：He didn't have a good rest just now.

6、Let's do it.

否：Don't let's do it.或Let's not do it.

7、He always gets there on time.

否：He never gets there on time.

肯定句变否定句方法：

1、be动词的否定式。

be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.

He is reading.——He is not reading. They are from China. ——They are not from China.

2、情态动词的否定式。

情态动词的否定式是在其后面直接加not. 如：

I can swim. ——I can't swim. He can dance. —— He can't dance. You should go to school at seven. ——You shouldn't go to school at seven.

3、实义动词的否定句。

实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ don't / doesn't+动词原形+其它 。

否定句英语例句

英语语法中否定句分为九种:

(1)一般否定句

I don't know this.否定句式

No news is good news. 否定词no

There is no person smoking here.

(2)特指否定

He went to his office, not to see him.

I am sorry for not coming on time.

I don't think/believe/suppose/feel/imagine you are right.

(3)部分否定

All the answers are not right

All is not gold that glitters.

I don't know all of them.

I can't see everybody/everything.

Both of them are not right.

(4)全体否定

None of my friends smoke.

I can see nothing/nobody.

Neither of them is right.

Nothing can be so simple as this.

(5) 延续否定

You didn't see him, neither/nor did I.

You don't know, I don't know either.

He doesn't know English, let alone/to say nothing of/not to speak of (更不用说) French.

(6) 半否定句

We seldom/hardly/scarcely/barely hear such fine singing.

I know little English. I saw few people.

(7) 双重否定

You can't make something out of nothing.

What's done cannot be undone.

There is no sweet without sweat.

No gain without pains.

I can't help /keep/ laughing whenever I hear it.

No man is so old but (that) he can learn.

(8)排除否定

Everyone is ready except you.

He did nothing but play.

But for your help, I couldn't do it.

(9)加强否定

I won't do it at all.

I can't see it any more.

He is no longer a boy.

ooooooooo哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦哦oooooooooooooooooooooooooooooooooooooooooooooooooo

一.not 表示否定1. 句型为主语＋联系动词be+表语：在be（am／are／is/was/were）后面加 not 即构成否定句。I am not hungry. 我不饿。I'm not a programmer. 我不是程序员。You are not a lawyer. 你不是律师。They are not Americans 他们不是美国人。It is not a violin. 它不是小提琴。I was not in London at the time. 我那时不在伦敦。My father was not at home yesterday. 我父亲昨天不在家。We were not satisfied with them. 我们对他们不满意。2. 句型为主语＋助动词（be， have和will）+谓语动词：在（be， have和will）后面加 not 即构成否定句。They are not playing chess. 他们不是在下棋。（现在进行时）She is not watching TV. 她不是在看电视。（现在进行时）We are not studying English. 我们不是在学英语。（现在进行时）I was not reading when she was listening to music. （过去进行时）她听音乐时，我没在看书。They were not watching the football match then. （过去进行时）他们那时没在看足球赛。He is not going to come to the party.（一般将来时）他不会来参加派对。They will not help their parents clean up. （一般将来时）她们将不帮父母搞卫生。I have not heard from John for a long time. （现在完成时）我好久没有收到约翰的来信了。She has not read today’s newspaper. （现在完成时）她还没有看今天的报纸。They have not seen that movie on television. （现在完成时）他们还没看过电视上的那部影片。She hadn't been to New York before her parents moved there.（过去完成时）她父母搬到纽约前，她没到过那。3. 句型为主语＋情态动词（can,could,may,might,must,should等）+谓语动词：在情态动词（can,could,may,might,must,should等）后面加 not 即构成否定句。She could not help laughing.她禁不住笑了起来。The old man cann't read and write.

I don't know this. No news is good news.There is no person（smoking）/not a person/not any person（smoking）in the house.He went to his office, not to see him.I am sorry for not coming on time.I don't think / believe/suppose / feel / imagine you are right.All the answers are not rightAll is not gold that glittersI don't know all of them.I can't see everybody/everything.Both of them are not right.

肯定句变否定句20个例子英语

肯定句变否定句20个例子英语如下：

1、I think she is there.

否：I don't think she is there.

2、He can sing this song and that one.

否：He cannot sing this song or that one.

3、Tom went to school too.

否：Tom didn't go to school either.

4、He has had supper already.

否：He hasn't had supper yet.

5、He had a good rest just now.

否：He didn't have a good rest just now.

6、Let's do it.

否：Don't let's do it.或Let's not do it.

7、He always gets there on time.

否：He never gets there on time.

肯定句变否定句方法：

1、be动词的否定式。

be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.

He is reading.——He is not reading. They are from China. ——They are not from China.

2、情态动词的否定式。

情态动词的否定式是在其后面直接加not. 如：

I can swim. ——I can't swim. He can dance. —— He can't dance. You should go to school at seven. ——You shouldn't go to school at seven.

3、实义动词的否定句。

实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ don't / doesn't+动词原形+其它 。

以下对上述三种肯定句变否定句的变化规则依次讲解

1.有be动词或者情态动词的肯定句变否定句

转变方法：在be动词或情态动词后面直接加not

例1. I am a student. → Iam nota student.

例2. You are sad. → Youare not sad.

例3. I can swim. → Ican notswim.

例4. You will go to the park.

→ Youwill notgo to the park.

2.没有be动词也没有情态动词，有实意动词(表示动作的动词)的肯定句变否定句

转变方法：借助助动词（do, does, did）来帮助否定

①当句中的动词是原形时，加don't。

例 like English.

→ I do not like English.

例 have dinner.

→ You do not have dinner.

②当句中的`动词是第三人称单数时，加doesn't ，再加动词原形。

例1. She likes singing.

→She doesn't like singing.

例2. She does her homework.

→ She does not do her homework.

③当句中的动词是过去式时，用didn't，加动词原形

例: We had a great time during our holidays.

→We did not have a great time during our holidays.

3. 动词have/has的特殊说明:

①当have表示“某人有什么的时候”，其否定形式为have not/has not

例: She has two books.

→ She has not two books.

②当have作为实意动词时，其否定形式为 do not have/does not have

例: You have dinner.

→You do not have dinner.

③当have在完成时中作为助动词时，其否定形式为have not/has not

例: I have seen this film.

→ I have not seen this film.

4. 一些特殊说明:

①肯定陈述句中的some/too，在否定陈述句中应改为any/either。

例 has some milk.

→ He hasn’t any milk.

例2. I have books. She has books,too.

→ I have not books. She has not books,either.

②肯定陈述句中若有and连接两个并列的成分，在否定陈述句中通常应改为or。

例: There are students and teachers in the classroom.

→There are not students or teachers in the classroom.

但以下几种状况，不需要改为or

A. 句子中出现两个否定词。

如: Men cannot live without air and water.

B. and列举的成份前都有否定词。

如: It has no eyes and no ears.

C. and列举的成份在否定词前面。

如: Tom and Merry can not write their names.

D. and构成的固定词组。

如: He did not work day and night.

E. and连接两个表示先后发生的动作。

如: Don't drink and drive.

肯定句变否定句 1. 简单句中含有系动词be和情态动词时，变否定句时需在系动词be和情态动词后加not。如： I am a teacher．→I am not a teacher． He can help me．→He can"t help me． 2. 简单句中谓语动词为行为动词时，要根据时态选用do的相应形式，把肯定句变为否定句。如： The little girl wants to go there．→The little girl doesn"t want to go there． He did his work yesterday．→ He didn"t do his work yesterday． 3．祈使句变否定句时，一般在句首加Don"t，但Let us或Let"s开头的祈使句在 Let us或 Let"s后加not即可。如： Put them over there．→Don"t put them over there． Let us go home．→Let us not go home． 4．主从复合句中，主句是I think，I believe等结构，变否定句时，形式上否定主句，实际上否定从句。如： I don"t think chickens can swim ．我认为鸡不会游泳。 5．“had better ＋动词原形”，变否定句时为“had better not ＋动词原形”。如： You"d better go to school．→ You"d better not go to school． 6．动词不定式变否定式时，常在不定式to前加not。如： The teacher tells me to do it．→ The teacher tells me not to do it． 7．使役动词和感官动词（make，let，hear，see，watch等）后接省略to的不定式，此种不定式变否定句时只需在省略to的动词原形前加not。如： I saw her work．→I saw her not work． 8．特殊形式的否定句，有以下几种： （1）肯定句含有every-的合成词时，变否定句时改为no-。如： Everything is ready．→Nothing is ready． （2）肯定句中含有always， usually和ever时，变否定句时改为never。如： He is always late for school．→He is never late for school． （3）肯定句含有many，much时，变否定句时分别改为few，little。如： Many students know him．→Few students know him． （4）肯定句中含有still时，变否定句时应改为no longer。如： Tom is still in bed．→Tom is no longer in bed． （5）肯定句含有both， both．．．and，all时，变否定句时应改为never，neither．．．nor，none。如： Both of us are students．→Neither of us is a student． （6）肯定句含有nearly， almost时，变否定句时应改为 hardly。如： Lily nearly knows him ．→Lily hardly knows him ． （7）肯定句含有“形容词＋ enough”时，变为否定句时应改为“too ＋形容词的反义词”。如： He is short enough to reach it.→He is too tall to reach it． 9.肯定句变否定句时，某些形容词，不定代词，或副词等也会作相应的改变。例如： 1）. I can see some mountains far away. → I can’t see any mountains far away.(some 变成any) 2）. He has already have peakfast. → He hasn’t have peakfast yet.(already 变成yet) 3）. We can swim, too. → We can’t swim, either.(too变成either) 4）. Jim likes meat very much. → Jim doesn’t like meat at all. (very much变成 not at all) 5）He likes singing and dancing. →He doesn‘t like singing or dancing.(and 变成 or) 和代词all, each, everyone, everybody,及副词both, quite, altogether, always等词连用时表示部分否定。 No all the students prefer maths. 并非所有的学生都喜欢数学。 It is not always sunny here. 这里并不总是阳光明媚。 The answer is not quite proper. 这个答案并不完全正确。

肯定句变否定句英语例句

肯定句变否定句的方法如下：

1、首先，要看肯定句中是否有情态动词，如果有情态动词，直接在情态动词后面加not即可，同时句中如果有some，some就要变成any。

肯定句：Mike can help you solve the problem.译文：迈克可以帮你解决那个问题。

否定句：Mike can't help you solve the problem. 译文：迈克不能帮你解决那个问题。

2、如果肯定句中没有情态动词，那就要看句中有无be动词的相应形式，如果有，直接在be动词后面加not，句中有some，some变any。

肯定句：I am an English teacher.译文：我是一名英语老师。

否定句：I‘m not an English teacher.译文：我不是一名英语老师。

3、如果肯定句中既没有情态动词，也没有be动词，那么就要用相应的助动词加上not来变换，句中有some，some变any。

肯定句：She likes helping others.译文：她喜欢帮助别人。

否定句：She doesn't like helping others.译文：她不喜欢帮助别人。

1.主系表结构的句子 I am a I am not a teacher. He is in He is not in Beijing. We are We are not classmates. It was cold It was not cold yesterday. 这些句子中都有系词,am,is,are,was,were,只要在系词后面+not ,就变成否定句了. 2.主谓宾的句子 He runs He doesn't run fast.主语是三单人称,do也要用三单形式does They learn from They don't learn from me. We went to school by bike .----- We didn't go to school by bike.谓语动词是过去式,do也要变过去式did 这些句子中都有谓语动词,只要在主语后面+do的适当形式+not 就行了. 3.句中有助动词或情态动词的 I will get up earlier I will not get up earlier tomorrow. She can dance She can't dance well. He has gone He has not gone abroad. 只需要在助动词或情态动词后面直接+not ,就可以变否定句了. OK?希望能帮到你啊!

肯定句变否定句20个例子英语如下：

1、I think she is there.

否：I don't think she is there.

2、He can sing this song and that one.

否：He cannot sing this song or that one.

3、Tom went to school too.

否：Tom didn't go to school either.

4、He has had supper already.

否：He hasn't had supper yet.

5、He had a good rest just now.

否：He didn't have a good rest just now.

6、Let's do it.

否：Don't let's do it.或Let's not do it.

7、He always gets there on time.

否：He never gets there on time.

肯定句变否定句方法：

1、be动词的否定式。

be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.

He is reading.——He is not reading. They are from China. ——They are not from China.

2、情态动词的否定式。

情态动词的否定式是在其后面直接加not. 如：

I can swim. ——I can't swim. He can dance. —— He can't dance. You should go to school at seven. ——You shouldn't go to school at seven.

3、实义动词的否定句。

实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ don't / doesn't+动词原形+其它 。