what about可以跟THAT引导的宾语从句吗?

问题描述:

what about可以跟THAT引导的宾语从句吗?
比如,what about my opening the door for you?
what about that I open(ed) the door for you?

what about 后面不能跟句子
所以what about that I open(ed) the door for you?
是错误的