含有have或has的句子如何变一般疑问句，否定句和对划线部分提问，动词原形的句子也是，明天就交

如果把have作为现在完成时的标志，规则是：把have 或has提前到句首，其余不变。例证：
1） I have won the football match before I leave school.→Have you won the football match before I leave school?回答：Yes, I have.
2) She has finished her homework.→Has she finished her homework?回答：Yes,she has./No,she hasn't.

如果把have(has)当作实义动词，那么规则是：方法一：将have或者has提前到句首，其余部分不变。
具体举例如下：1） You have a football.→Have you a football?
2） He has classes tomorrow.→Has he a football?
方法二：在句首加Do（当用have时）或does（当用has时），其余部分不变。
举例：1） You have a football.→Do you have a football?
2) He has classes tomorrow.→Does he has classes tomorrow?

其他动词原形的句子把动词当成have来用即可，但是只能用方法二。

否定句一般来说只要在动词前面加don't或doesn't即可。举例：
1) I have a football.→I don't have a football.
2) He loves studying.→He doesn't love studying.

对划线部分提问，划线部分是地点、时间、人物，分别用Where/When/Who代替划线部分，并把它放在句首即可。
例如：
1） She met James in the street(划线）yesterday.→Where did she meet James yesterday?
2）She met James(划线）in the street yesterday.→Who did she meet in the street yesterday?
3） She met James in the street yesterday(划线）.→When did she meet James in the street?

主语是第一第二人称(I,you)或者复数(we,they)时，用have
主语是第三人称(he,she,it)时，用has

He has a pen.
一般疑问句: Does he have a pen?
对划线提问（划的应该是a pen）: What does he have?
否定句： He does not have a pen.

注意主语是我(I)时的变化：
I have a pen
一般疑问句: Do you have a pen?
对划线提问（划的应该是a pen）: What do you have?
否定句：I don't have a pen.

要把原句中的I换成you

有两种变法：1、把has 或have 放在句首，其他成分的位置不变。比如：He has a dog变成一般疑问句就是Has he a dog?
2. 用does/do。上面的句子也可以变成Does he have a dog?

have has 变否定是haven't。一般疑问就是直接have 提前。划线提问看词的成分。

句式一样，不过have用助动词用do，has用助动词does！
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