Come and see it.中,为什么?

Come and see it.中,为什么? Come upstairs and see it.这里为什么不能把and替换为to? come upstairs and see it 为什么不能用`come downstairs and see it come upstairs and see it 与come upstairs to see it 那句对 为什么come upstairs and see it 在英语中不能用come upstairs to see it.求详解.讲讲语法吧, come upstairs and see me为什么不能用come upstairs to see it come upstairs and see it的反意疑问句 come upstairs and see it 为什么用and 不用to可是书上说不能用 come upstairs to see it ... Come and see. and 在表示目的时的用法问题,如 come and see me 可以写成 come to see me 为什么.新概念书上说英语中没有 come upstaris to see it 的用法,而一定是用come upstairs and see it ( )A:Tom!B:Yes?A:____ B:Yes.A:Come to see it B:Coming and see C:Comes to see it D:Come and see i Come and see this machine .It will help you see the houses of the future 为什么在英文中,不能用Come upstairs to see it..而是要用 Come upstairs and see it不可以用to的!参见P26没人能回答吗?看来只好关闭问题了... Does he often come to see you on Sunday?为什么是come to see 而不是comes to see,comes to sees,come and to see ? it would be a shame to have come all this way and not see them为何用 would,用it is a shame 是否可以?all this way Come and see you,ok. Come and see for yourselt. Come upstairs and see it把And换成To讲得通吗