陈述句变成一般疑问句
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陈述句变成一般疑问句:
陈述句变为一般疑问句,首先看句中有没有系动词be或情态动词,如果
有,把be或情态动词直接提到句首就可以了;如果没有,要用助动词do或does 来帮助。基本句式如下:
Be +主语+宾语+其他+ ?
情态动词+主语+谓语+宾语+其他+ ?
Do(Does) + 主语+谓语+宾语+其他+ ?
(1)如果句子中有be动词(也就是说有is,am,are,were,was等)或是情态动词的(如can, could,will,would 等),把be动词或情态动词直接提前,剩下的照抄,然后末尾加上问号。
如:
He is a stude nt.(他是一个学生。)
一般疑问句就是:Is he a stude nt?.(他是一个学生吗?)
They can play football.(他们会踢足球。)
变成Can they play football?(他们会踢足球吗?)
注意:如果主语是I或是we的,一般疑问句一般情况下要把人称改为you。反
之you 要改成I,we,me 或us。
如:
I am a student. —般疑问句就变成Are you a student?
We can help you.(我们能帮你。)变成Can you help me?(你们能帮我吗?)(2)如果没有be动词和情态动词的,就要用助动词来提问,助动词有
do,does,did。
而选择哪个助动词就要由陈述句中的动词时态或形式来决定了。如:
She speaks En glish very well.(她英语说得很好。)
一般疑问句变成Does she speak En glish very well?(她英语说得很好吗?)We
fini shed our homework yesterday. (我们昨天完成作业的。)
变为Did you finish your homework yesterday? (你们昨天完成作业的吗?)
I go to school on foot. (我走路去上学。)变为Do you go to school on foot? (你走路去上学吗?)
选择好助动词后就可以把原句跟上去,要注意的是后面的动词要用原形了。如例子中的speak,finish 等。
另外,完成时态和have、has got (have got是有”的意思)中的have或
has也是提前,即与第一种be动词情态动词的用法相同。
如:
I have got a sister.(我有一个妹妹)改为:Have you got a sister?(你有一个妹妹吗?)完成时的例子:
I have ever been to Beijing.(我曾经去过北京) Have you ever been to Beiji ng? (你曾经去过北京吗?)
英语怎样做否定句,一般疑问句,对划线部分提问
一、否定句
1.主语+be动词+表语结构
变否定句,直接在be动词后面加个not就可以了。
Mr. White is a very good teacher.-->Mr. White is not a very good teacher.
2.主语+动词+其他
当此句为一般现在时,在动词之前加don't或does n't (第三人称单数形式),并
将动词变为原形就可以了
He loves playi ng football with his frien ds.-->He does n't love playi ng football with his frie nds.
当此句为过去时,在动词之前加did n't,并且把动词变为原形
Tom's sister graduated from high school last year.-->Tom's sister did n't graduate from high school last year.
3.主语+情态动词+动词+其他在情态动词后面加not就可以了
I can drive a car.-->I cannot drive a car.
4.主语+have/has+动词过去分词+其他
在have/has后面加not就可以了
The stude nts have done their homework.-->The stude nts have not done their homework.
二、一般疑问句
1.主语+be动词+表语结构
变一般疑问句,把be动词提前,句子就变成be动词+主语+表语结构?
Mr. White is a very good teacher.-->Is Mr. White a very good teacher?
2.主语+动词+其他
当句子为一般现在时,在句首加do或does,并且把动词变为原形,句子变成Do/Does+主语+动词原形+其他?
He loves playing football with his friends.-->Does he love playing football with his frie nds?
句子为一般过去时,在句首加did,句子变成Did+主语+动词+其他?
Tom's sister graduated from high school last year.-->Did Tom's sister graduate from high school last year?
3.主语+情态动词+动词+其他
将情态动词提前,句子变成情态动词+主语+动词原形+其他?
I can drive a car.-->Ca n you drive a car?
4.主语+have/has+动词过去分词+其他
将have/has提前,句子变成have/has+主语+动词过去分词+其他The stude nts have done their homework.-->Have the stude nts done their homework?
三、对划线部分提问