.情态动词的用法小结I、can的主要用法1.表示能力(indicating ability) I can run very fast.2.表示获得的知识或技能（indicating acquired knowledge or skill） They can speak French.3.与感官动词连用(used with verbs of perception) I can hear music.4.表示许可(indicating permission) Can I read your newspapers?5.表示要求 （indicating requests） Can you feed the cat?6.表示可能性（indicating possibility） He cant have slept through all that noise.7.用以表示疑惑或怀疑（used to express bewilderment or incredulity） Can she be se
