How much did the book cost 为什么用did ,而不是was
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How much did the book cost 为什么用did ,而不是was
cost 是动词,所以用助动词did提问,was是系动词不可以用来对动词提问滴!
cost 是动词啊
答案:【How much did the book cost ?】
翻译;这本书花费了多少钱?
解析;was后面的动词要加ing,而动词cost没有加ing,所以不能用was.再说了用was的话
就变成了过去进行时,与事实不符。
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答案:【How much did the book cost ?】
翻译;这本书花费了多少钱?
解析;was后面的动词要加ing,而动词cost没有加ing,所以不能用was.再说了用was的话
就变成了过去进行时,与事实不符。
不懂再问,在线为你解答
【帮到你望及时采纳,你的10分满意,我们团队的无限动力】
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本来就不是be动词,跟was有什么关系?
在此cost是动词,提问时带上助动词
cost 是使役动词,并且cost的过去时,过去分词均为cost。根据句意判断时态为过去时,所以以助动词did提问。(PS:如果还有疑问,可以继续追问,很高兴为你解答,谢谢(*^__^*)
陈述句是the book cost XXXyuan.
原句中没有be动词存在,提问就要借用助动词do,考虑到已经买了,用过去时所以是did.
我来回答你吧,满意就给满意回答哦。
原因和cost这个词有关,cost是动词,在疑问句中当然要用助动词do\did啦,而不是用be动词。
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