帮忙划分一下句子从句，说一下是什么从句

Question

帮忙划分一下句子从句，说一下是什么从句Expert suggests that the speech stages are reached in a fixed sequence and at a constant age, but there are cases where speech has started late in child who eventually turns out to be of high IQ

Answer 1

这是并列复合句。

第一分句 Expert suggests that the speech stages are reached in a fixed sequence and at a constant age

〔主句〕Expert suggests
〔宾语从句〕that the speech stages are reached in a fixed sequence and at a constant age,

第二分句 but there are cases where speech has started late in child who eventually turns out to be of high IQ

〔主句〕there are cases
〔修饰 cases 的定语从句〕where speech has started late in child who eventually turns out to be of high IQ （其中 who eventually turns out to be of high IQ 是嵌套的定语从句，修饰 child）

Answer 2

为您解答
Expert主语 suggests谓语(that the speech stages从句主语 are reached 从句谓语in a fixed sequence状语 and at a constant age状语)宾语从句， but 连词there表语 are 系动词cases主语(where关系副词 speech从句主语 has started 从句谓语late状语 in child介宾短语做状语【 who eventually turns out to be of high IQ】介宾短语状语的定语从句修饰介词宾语)定语从句追答

其中出现了双层从句

Answer 3

that 引导的，到age 是一个宾语从句，作 suggests 的宾语。追答

where 引起的到句
末是一个定语从句，修饰 cases。

who 引起的到句末是一个定语从句，修饰 child。

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