.分析下这句英语语法

问题描述:

.分析下这句英语语法
“I’ll be here for as long as you need me为什么后面会跟for 如果没有正确麽?2.Each person has her own unique path of grief to follow后面 to follow是做什么成分?

去掉for不就连不上you啦?你看诶:I'll be here for you..这样是成立的.
但是去掉for的话,那前面的I'll be here和后面的成分不就连不上了啊?
to follow 就相当于with.伴随.