您好,很高兴为您
this comes from carefully conducted ‘before and after’ evaluations of interventions in schools
这是经过对学校内干预措施进行细致入微的前后评估后得出的.
conducted是动词过去分词作定语修饰名词
This 代词作主语
comes from 谓语短语
carefully 副词,修饰形容词conducted, conducted作形容词修饰后面的名词短语‘before and after’ evaluations
‘before and after’ evaluations名词短语作宾语
of interventions 定语修饰前述名词短语
in schools 地点状语
句子可简化为: This comes from evaluation. 这经过评估得来.
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