英语好的进,I have to be going now,——这几句话为什么要加ingI have to going nowI have to leaving now.这两句话为什么go 与leave都要加ing,不加可不可以,为什么,楼下可以说祥细点吗。

问题描述:

英语好的进,I have to be going now,——这几句话为什么要加ing
I have to going now
I have to leaving now.
这两句话为什么go 与leave都要加ing,不加可不可以,为什么,
楼下可以说祥细点吗。

因为前面有be动词