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请大侠帮忙解释一下这两个what引导的宾语从句,

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请大侠帮忙解释一下这两个what引导的宾语从句,
1.He demonstrated his invention‘s virtue and what he considers its potentially revolutionary effect on human transportation.2.Here's a breakdown of the words and themes they chose,and what their choices suggest about their leadership styles.之前我以为第一句里的 what he considers是插入语(有这么用的插入语么?)因为这样我才能理解后面的effect是demonstrate的宾语,直到遇见后一句话,我就彻底迷糊了,因为后面的 what their choices 明显是缺少了就不对的呀.这方面的讲解属于哪一类语法知识呢?
请大侠帮忙解释一下这两个what引导的宾语从句,
第一句的what he considers和第二句的what their choices都不是插入语.
第一个what引导一个名词性从句,做demonstrate的宾语.在这个名词性从句中,what和its potentially revolutionary effect是consider的双宾语.
这个从句的语序反过来就是:
he considers (what) (its potentially revolutionary effect on human transportation).
consider在这里的意思是:以为,认为,视为,把…看做.
例句:She considered (herself) (superior to others)
注意上面两句consider的双宾语.
第二个what第一个what引导一个名词性从句,做breakdown的定语.在这个名词性从句中,what做suggest的宾语.about their leadership styles做what的定语.
这个从句的语序反过来就是:
their choices suggest what about their leadership styles.