"do"与can、will、would、shall、may、must助动词用法一样吗 有什么区别
"do"与can、will、would、shall、may、must助动词用法一样吗 有什么区别
can、will、would、shall、may、must等助动词具体怎么用,还有do和have,
情态助动词用法?can,shall,need,must,will,may,have to的用法
情态动词的用法can/could/may/might/will/would/shall/should/must/can'
will would ; shall should ; can could ; must need ; may migh
must,can,may ,should,would,need和shall的区别
shall should may might can could must虚拟语气的用法与区别比较
助动词:can ,may .must的基本用法!
Will would; shall should ;can could区别和用法
用can,could,may,might,must,should,shall,will,would填空
情态动词造句can (could),may (might),must shall (should,will (would
请问情态动词should shall will would can could must need may have t