my friends never come to visit me的come为什么不加s

my friends never come to visit me为什么不是comes? My friends never come to visit me.中的never在句子中充当什么成分? 1、my friends never come to visit me.2、our teacher frequently 新概念第二册的my friends never come to see me,这个句子为什么不用comes 英语语法!急求!She wants to come to my nirthday party.其中,come 为什么不加 where is tom come from?come为什么不加S come home come不是不及物动词吗?中间怎么不加to,对比come to my home 求文档: 英语改错Today,my mother come to my school to visit me.becau I come over to visit my sister. to come to my house为什么加to come to my office.为什么要加to 1.My old friends will come to see me tomorrow.（改为否定句） My old