问题描述：
关于同位语从句和宾语从句 .
The school made a rule that students have to stand up when class begins.这个句子后面的同位语从句.
但是 The school made it a rule that students have to stand up when class begins.通常这样的表达比较地道,现在的这句话是同位语从句还是宾语从句 我觉得是宾语从句吧.因为students have to stand up when class begins是made的宾语,a rule 是宾补,it是形式宾语 .
为什么a rule是真正主语，而不是 that从句
The school made a rule that students have to stand up when class begins.这个句子后面的同位语从句.
但是 The school made it a rule that students have to stand up when class begins.通常这样的表达比较地道,现在的这句话是同位语从句还是宾语从句 我觉得是宾语从句吧.因为students have to stand up when class begins是made的宾语,a rule 是宾补,it是形式宾语 .
为什么a rule是真正主语，而不是 that从句
问题解答：
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