could 用法 she could hardly speak english 3 years ago这里的could是过去式还是语气委婉?

could 用法 she could hardly speak english 3 years ago这里的could是过去式还是语气委婉? can.could的用法 could的用法 She Could Be could could you please的用法 could和should的用法? can 和could的用法? could的用法要全 she could notsee anything means she could see （ ） How could she act__(different)? we never guessed that she could walkWe never guessed that she could walk_C_far.A / B such C that D as此处that是什么用法阿？ she was ( )angry ( )she could hardly speak 翻译Lingling could hardly hear the traffic.could she? ）she read when she was four years old?_yes,she( ).选项A.can,can B.could,could C.could,could't D.could,can can,might,may,could,must的用法 情态动词should和could的用法 can,might,may,could,must的用法