can, could和will, would的用法以及区别答:首先从意思区分,can, could是[能,可以]的意思 will, would是[将,将要]的意思,而这could是can的过去式,would是will的过去式,一个用于现在时一个用于过去时不用解释了吧.语法上没什么特点,从意思区分即可
can、will、would、shall、may、must等助动词具体怎么用,还有do和ha...答:can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) . 情态动词的位置: 情态动词在句中放在谓语动词之前, 谓语动词前若有助动词,则在助动词之前,疑问句中, 情态动词则在主语之前。 I can see you. Come here. 我能看见你,过来吧。 He must have ...