Emperor Wu Di ordered expansion of the existing wall to protect land won when his armies defeated the northern tribes.
请问老师:
这个won when引导的句子作为后置定语吗?还是状语?
还原后是不是 land that was won when ...
不能说won when 引导的句子,这种说法是错误的。won是过去分词,when从句是won的时间状语,二者共同构成过去分词短语作后置定语,不是从句作定语。
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