what does that sign means?用到了哪些语法现象为什么是does儿不是do

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/18 21:02:48

这是一个特殊疑问句,句子主语是that sign,是第三人称单数,所以当然用does,而不能用do了.
再问：那she must have a good rest . 为什么have不是has呢。mean和must都是实意动词么。（对不起，还有许多不懂的，请多指教）
再答： must是非常常见的情态动词啊，而情态动词之后加的就是动词原形，所以只能用have，has是have的三单形式，适用于该动词单独做谓语的情况。如：She has a good rest every day.

（）What（）this sign（ A.do；means B.does;mean C.does;means D.d What does that sign mean? 一个简单的语法疑问what does he do?where does he come from?为什么这里是he,不是 do you know what that means?do you know what does that means What does that sign mean? It means you shouldn't ______(litt what does that means?哪个词错了? What does that sign mean课件 What does the sign on the wall means?改错 What does the sign meas?It means "No t____" what does she do in the morning?为什么还要在she后面加上do,前面不是有does了吗 what does photovoice means? what does "underway" means?

what does that sign means?用到了哪些语法现象 为什么是does儿不是do

what does that sign means?用到了哪些语法现象为什么是does儿不是do