What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 21:48:43
What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?

What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?
What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?

What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?
What does she do in the morning?一般现在时,对动词提问,主语三单借助于does
What is she doing now 现在进行时,构成be+动词ing形式.所以用is

前一句的时态是一般现在时,这种时态表达的动作是经常反复发生的
后一句的时态是现在进行时,这种时态表达的动作是正在发生的

What does she do in the morning?属于一般现在时的特殊疑问句,对动词提问,主语单三时要借助于does,特殊疑问句是由“疑问词what,when, where等 + 一般疑问句”构成的。
What is she doing now ?属于现在进行时、特殊疑问句,规定谓语动词部分由“be+动词ing”构成。本句中,根据主语是she,所以选用is这个助动词。...

全部展开

What does she do in the morning?属于一般现在时的特殊疑问句,对动词提问,主语单三时要借助于does,特殊疑问句是由“疑问词what,when, where等 + 一般疑问句”构成的。
What is she doing now ?属于现在进行时、特殊疑问句,规定谓语动词部分由“be+动词ing”构成。本句中,根据主语是she,所以选用is这个助动词。

收起

What does she do in the morning?属于一般现在时的特殊疑问句,对动词提问,主语单三时要借助于does,特殊疑问句是由“疑问词what,when, where等 + 一般疑问句”构成的。
What is she doing now ?现在进行时,构成be+动词ing形式。所以用is

时态的问题,前一句的时态是一般现在时,后一句的时态是现在进行时