你能写出多少个情态动词和助动词?
问题描述：
你能写出多少个情态动词和助动词?
每种词8～9个就行了
答
情态动词：can /could
may/might
shall/should
will/would
must
ought to
may/might
shall/should
will/would
must
ought to
最常用的助动词有：be,have,do,shall,will,should,would