more than one example is necessary to make the students understand this rule clearly

分类: 作业答案 • 2022-01-16 00:00:31

问题描述：

more than one example is necessary to make the students understand this rule clearly
主语是?
谓语动词是is么? 后面是什么结构
to在这里是介词么表什么?

答

主语是more than one example
is后是形容词necessary,后面是不定式结构
to是不定式结构,用来解释necessary