there should be some definite rules carried out,这句语法对吗?

题目

there should be some definite rules carried out,这句语法对吗?

答案

应该要实施一些明确的规则
那既然有应该（should be）了,说明还没被实施,用不定式表目的作状语
there should be some definite rules to carry out
若是 有一些已经被实施的明确的规则了,就用过去分词作定语,表示完成的了
there are some definite rules carried out
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