could的否定句?
could的否定句?
Could you come here?的否定答句
could的否定形式是什么
could的否定缩写形式
The French book could be Tom's的否定句怎么变?
may,can,could,must的肯定否定句应怎么回答?
用could造句我需要的是肯定句和否定句各5句,当然越多越好哦~
Could I do sth?的否定回答
could you please open the door?改为否定句
Could you please open the window改成否定句
Could you please follow me?改为否定句
They could play on the computers变为否定句