the book is helpful that...that是表语从句?The good news is that we have passed the exam.也是表语?第一个句中的that从句做book的定语,因此属于定语从句,表语为helpful?that不是跟在helpful后面么?所以helpful是
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the book is helpful that...that是表语从句?The good news is that we have passed the exam.也是表语?第一个句中的that从句做book的定语,因此属于定语从句,表语为helpful?that不是跟在helpful后面么?所以helpful是
the book is helpful that...that是表语从句?The good news is that we have passed the exam.也是表语?
第一个句中的that从句做book的定语,因此属于定语从句,表语为helpful?that不是跟在helpful后面么?所以helpful是先行词that是修饰helpful啊?
the book is helpful that...that是表语从句?The good news is that we have passed the exam.也是表语?第一个句中的that从句做book的定语,因此属于定语从句,表语为helpful?that不是跟在helpful后面么?所以helpful是
判断一个句子属于哪种从句,要看该从句在句中充当什么句子成分.表语就是连系动词(be动词、seem、turn、look、smell等之后跟名词或动名词的一系列动词,在句中不能独立作谓语)之后,与连系动词一起构成谓语的句子成分.第一个句中的that从句做book的定语,因此属于定语从句,表语为helpful;第二个句子中的that从句就是表语从句,做系动词is的表语,与之一起构成谓语部分.
第一个不是表语从句是定语从句,第二个就是表语从句了,表语从句就是that放在be动词后面