what is known to everybody is that the moon travels around the earth once every month该句子的结构是什么用what 引导,连词在从句中充当主语,表语或状语在该句中,哪部分缺少主语啊

问题描述:

what is known to everybody is that the moon travels around the earth once every month
该句子的结构是什么
用what 引导,连词在从句中充当主语,表语或状语
在该句中,哪部分缺少主语啊

What is known to everybody这个由what引导的句子作为整句的主语,这叫主语从句。第二个is是全句的谓语动次。后面的that及其所引导的句子作为宾语,叫宾语从句。整个句子(不论主句还是从句)不缺主语,是个完全正确的佳句。谢谢,希望能帮到你。

what is known to everybody这是由what引导的句子作为整个句子的主语,即主语从句.is为联系动词,that the moon travels around the earth once every month这是由that引导的表语从句,与动词be is一起构成谓语.在该句...