I can very well.这句英文短句有语法错误吗?

I can very well.这句英文短句有语法错误吗? I can already sing very well.(改同义句) I can already sing ___ _____. 用英文完成答句写出五个带有单词can的问句,并完成答句,例如：Can do dance?Yes,I can dance very well.Can you fly?No,I can't.What can you do?I can play computer games very well. I table tennis well play very can ( .) how can I study English very well I can do it very well. i()(know )you can sing very well. i study english very well.同义句 I am very well的同义句 对副词well 提问 比如,I can swim very well.对very well提问 I can swim very well.can是谓语?swim呢? Can you ( )a bike Yes,I can ( )it very well? I can speak english very well有没有语法毛病I can speak english very well这句话有没有什么毛病呀,是不是什么中国式的英语 I canpiay ()piano,()I can't piay it very well. I can skate well改成否定句 I know him very well 的同义句I know him very well I ---- ---- ---- him. He can swim very well改为同义句He ___ ___ ___ swim very well. He can dance very well.(否定句）He____dance very well.