hehasaleg改为否定句
he has a leg改为否定句是he does not have a leg。题目的has不是助动词，而是作为一般动词，意思是：有，所以改为否定句不能直接用has，而要借用助动词dose。协助主要动词构成谓语的词叫助动词，也叫辅助动词。被协助的动词称作主要动词。助动词用来构成时态和语态，具有语法意义，但除情态助动词外没有词汇意义，不可单独作谓语。常用的助动词有：be、have、has、do、does、did、shall、should、will、would等。
he has a leg改为否定句是he does not have a leg。题目的has不是助动词，而是作为一般动词，意思是：有，所以改为否定句不能直接用has，而要借用助动词dose。协助主要动词构成谓语的词叫助动词，也叫辅助动词。被协助的动词称作主要动词。助动词用来构成时态和语态，具有语法意义，但除情态助动词外没有词汇意义，不可单独作谓语。常用的助动词有：be、have、has、do、does、did、shall、should、will、would等。
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hehasaleg改为否定句
he has a leg改为否定句是he does not have a leg。题目的has不是助动词，而是作为一般动词，意思是：有，所以改为否定句不能直接用has，而要借用助动词dose。协助主要动词构成谓语的词叫助动词，也叫辅助动词。被协助的动词称作主要动词。助动词用来构成时态和语态，具有语法意义，但除情态助动词外没有词汇意义，不可单独作谓语。常用的助动词有：be、have、has、do、does、did、shall、should、will、would等。
He has a ball.(改为否定句和一般疑问句 并作肯定，和否定回答。
常把has作为实义动词看待，其中has体现三单，故借助助动词does。
否定句：He
doesn't
have
a
ball.
一般疑问句：Does
he
have
a
ball?
肯定回答：Yes,
he
does.
否定回答：No,
he
doesn't.
he has a bird否定句的两种形式
he has a bird否定句的两种形式是在助动词has 的后加一个not。例如：He has not a bird. 和 He hasn't a bird .
否定句是表示否定的句子。必须有否定词，古代汉语中否定词可以是副词“不”、“弗”、“毋”、“勿”、“未”、“否”、“非”，可以是动词如“无”。
否定句分类
一般否定句
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.
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.
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.
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.
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.
半否定句
We seldom/hardly/scarcely/barely hear such fine singing.
I know little English. I saw few people.
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.
排除否定
Everyone is ready except you.
He did nothing but play.
But for your help, I couldn't do it.
加强否定
I won't do it at all.
I can't see it any more.
He is no longer a bo.
He has a football.改成否定句has要不要变回原型?
He has a football.当这个句式变为否定句时,在主语he后,实意动词has前要加doesn't,而后面的has必须要回原形!所有的谓语动词是单三这种情况时,变否定句式都要把动词变为原形.
he has a blue and white sweater的否定句？
这个句子中没有情态动词和be动词，借助动词帮忙变成否定，has还原为have.
否定句：He doesn't have a blue and white sweater.
blue and white 蓝白相间 ，所以这里变为否定句不需要把and 变为or.
举例说明如何把含有have和has的句子变成否定句
例1：I have a pen.
I have a pen.
have用于除第三人称单数外的人称实义动词，变否定句不能在have后加not，则需要助动词来帮助解决。do+not= don’t。
例2：My father has a watch.
My father doesn't have a watch.
has 用于第三人称单数外的人称实义动词，变否定句不能在has后加not，则需要助动词来帮助解决。does+not=doesn't
注：变第三人称单数是，要注意动词部分的还原。
have怎么变否定句？？
表示“have”的否定句，在have前加“don’t”，就是don’t have。
表示“has”的否定把“has”改为have，再在前面加“doesn’t”，就是doesn’t have。
在have/has的否定，不能直接在has/have后面加上not，而是需要借助到助动词do/does的否定形式don’t/doesn’t，再加上have。这时候don’t和doesn’t的选择是由主语的人称来决定的。第三人称单数(he, she, it)用doesn’t，其他都用don’t。因此否定句的句型为：主语+don't (doesn't)+have +…。
扩展资料：
has和have用于一般疑问句
在一般疑问句中，我们同样需要借助到助动词Do/Does来帮助我们实现疑问的功能，结构为：Do (Does)+主语+have+…?。而对于Do或Does的疑问句，回答的时候也同样需要用do或does:
肯定回答用：Yes, 主语+do (does).
否定回答用：No, 主语+don't (doesn't).
例如：
—Do you have a ruler? 你有尺子吗?
—Yes, I do., I don't. 是的，我有。/不，我没有。
—Does Lucy have a twin sister? 露茜有个孪生姐姐吗?
—Yes, she does., she doesn't. 是的，有。/不，没有。
He has a good friend 该为否定句时，为什么has要改为have
答案是：
因为he是 第三人称单数，所以改成疑问句或者
否定句时应该加上助动词does，再加上助动词之后
应该把动词改为原形，因此
has
应该
改为have
He
doesn't
have
a
good
friend
☞
♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧
☜
hehasafarm改为否定句
应为：He does not have a farm.
肯定句变否定句的方法：
1.含be动词：Be动词后加not
2.含有实义动词的肯定句改否定句：
实义动词前加do not/does not/did not
3.含情态动词的，直接在情态动词后加not
he has a bowl改为否定句
He doesn't have a bowl。
原句He has a bowl.改成否定句，首先看句中是否有助动词，没有就加助动词，这里根据主语he，且时态为一般现在时，加助动词does的否定式并把实义动词has改回原型have即可。
