I want to ask him how can I improve my English.还是I want to ask him how I can improve my English.

问题描述:

I want to ask him how can I improve my English.还是I want to ask him how I can improve my English.
为什么?

正确的是:I want to ask him how I can improve my English.
I want to ask him 后面跟的是宾语从句 ,用陈述句语序.