转换一般疑问句

一楼的错的,一般疑问句是可以回答yes或no的问题,这才是一般疑问句:Do you study English in the morning?

When do you study English?

Do you study English in the morning?

前面加个DO

1when do you study English?
或者
2 what time do you study English?
"what time "是提问具体时间，”when”是不太具体的．

Do you study English in the morning