Don't eat in the classroom.中in the classroom是什么成分We don't have to come to school every day.中We是什么成分I must get up early at 6:30every morning.中 at 6:30every morning是什么成分What are the rules?中are是什么成分I must do my homework after school.中must do是什么成分
问题描述：
Don't eat in the classroom.中in the classroom是什么成分
We don't have to come to school every day.中We是什么成分
I must get up early at 6:30every morning.中 at 6:30every morning是什么成分
What are the rules?中are是什么成分
I must do my homework after school.中must do是什么成分
答
in the classroom 是地点状语
We don't have to come to school every day.中We是主语
I must get up early at 6:30every morning.中 at 6:30every morning是什时间状语
What are the rules?中are是系词。
I must do my homework after school.中must do是谓语
答
Don't eat in the classroom.中in the classroom是什么成分（作地点状语）We don't have to come to school every day.中We是什么成分（作主语）I must get up early at 6:30every morning.中 at 6:30every morning...