To make sure that my parents understood ,I declared that I wanted nothing else 这句话的句型结构怎么分析?还有为什么 un

题目

To make sure that my parents understood ,I declared that I wanted nothing else 这句话的句型结构怎么分析?还有为什么 understand 要用过去式呢?是被动语态?不定式后面应该用一般现在时啊?

答案

to make 动词不定式做目的状语make sure that ...that 是 make sure 的宾语从句I declared that ...后面是 declared 的宾语从句都是表示发生在过去的事情,而且这里的动词全部是谓语动词,所以根据当时的时态翻译 为了...