用所给的动词填空 动词:can could couldn't could have
1个回答
have
could
could have
cant
can
can
相关问题
用can、can't、could、couldn't、may填空
用could,should,couldn't,shouldn't填空
英语动词填空 Could I have a talk wit
could(can)后用不用加动词原形?
where can(could) they have gone to?为什么没有be动词?
"couldn't open " 为什么是过去?could是情态动词还是动词过去式?那open这个动词原形算什么?
情态动词can't have done 和couldn't have done 有什么区别吗
should have done ,shouldn't have done.could have done,couldn
有没有can have done sth?could have done sth有两种意思吗?can't/couldn'
White a passage about yourself using can ,can't,could couldn