How much does it weigh为毛不可以把does换成is?如题= =.= =.

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How much does it weigh为毛不可以把does换成is?如题= =.= =.

How much does it weigh为毛不可以把does换成is?如题= =.= =.
How much does it weigh为毛不可以把does换成is?
如题= =.= =.

How much does it weigh为毛不可以把does换成is?如题= =.= =.
不可以,因为weigh 是实义动词,实义动词作谓语的疑问句要借助助动词DO / DOES / DID ,因为主语是IT 是第三人称单数,故用DOES

换成is就要改为How much is it weighing/is his weight或者作系动词,或者用正在进行时。
原来那句How much does it weigh.是一般现在时

因为 weigh 是行为动词,没有系动词be, 也没有助动词be

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因为由how引导的一般疑问句,句子是一般现在时,句中已经有weight这个动词了,如果把does换成is,整个句子的时态都要改变了,所以这里只能是助动词

不可以,weigh(称重)是一般动词,不是be动词,必须借助助动词does构成疑问句,表示“这个东西有多重?”希望我能帮助你解疑释惑。