Question

They are cleaning the classroom.的主补是什么

Answer 1

问：They are cleaning the classroom.的主补是什么

答：您好很高兴为您服务。They are cleaning the classroom的意思是他们正在打扫教室。主语是they 谓语是are cleaning 宾语是classroom这句话中并没有补语。

答：主语补足语，（以下简称主补）顾名思义，是对主语的补充，使得句子更加完整。请看下面的例句，并注意观察谓语动词的语态： 1. He was called Jack. 他曾被人称为杰克。Jack 是主补。 2. I was made angry. 我被人气坏了。angry 是主补。 3. The book was put there. 那本书曾被放在那里。there 是主补。 4. The book was thrown into a dustbin. 那本书曾被扔进垃圾箱。into a dustben 是主补。 5. The boy was made to work hard 10 hours a day. 那男孩曾被迫一天干10小时的重活。to work hard 是主补。 6. The water was kept boiling for ten minutes. 水被保持沸腾10分钟。boiling 是主补。