We usually do our homework after school.

问题描述:

We usually do our homework after school.
Helen often does her housework after office.
这两句中的often usually有什么区别啊?
这里的do是实义东西动词怎么变疑问句啊?

这里的do是实义东西动词怎么变疑问句啊?
Do you usually do our homework after school?
Does Helen often do her housework after office?
一样的,在句子开头加助动词DO作为实义动词的DO
变回原形就好了~