can be 能不能造个句

can be 能不能造个句 can be是固定用法吗?能不能讲解一下 i wish i could be you 这里的could能不能幻城can we should be able to catch thembe able to should 能不能换成can can be 关于英语情态动词can 和could的问题.how can you say that?中的can 能不能换成 could.It could be very interedting to go out for a drive.中的could能不能换成can. In a word,if we pay much attention,the problem can be solved.solved能不能变成：solve?In a word,if we pay much attention,the problem can be solved.solved能不能变成：solve? Drugs can be anything that changes the way your mind or boby works.此句的that能不能换成which. must和can能不能连用? can前面能不能加must can 后面能不能接名词 Can be tough,Can be strong. can be.must be区别may be can we be friends? how can that be? how can it be.. You can be beautiful I can be your