You must do as I told you to do.
问题描述:
You must do as I told you to do.
to do在这里做什么成分?
答
1.固定结构:及物动词tell + 宾语you + 宾语补足语(to do sth).
所以,该句中的to do即是宾语补足语.
2.而且,上述结构是简单的tell sb to do sth“吩咐某人去做某事”短语.