come to do为什么不是祈使句

Will you come to my hometown?(祈使句) my friends never come to visit me为什么不是comes? 祈使句用to do还是 doing come to doing和come to do let sb do 为什么不是let sb to do? 将You can come to our school改为祈使句. 祈使句为什么有两个动词如please come in with some homework to do为什么不是to be done come to do 里, come 是不及物动词? come to do,还是come doing pay attention to为什么一定是doing,为什么不是do 英语Do you want to come to my birthday party want和come后面为什么加to