问题描述：
关于英语的句子结构,想问问两个问题
As I held him and assured him that he had done a terrific job and God was certainly not angry with him为什么从句那要用had done 而不用did?还有那些什么过去分词短语好像不要用Be动词后面的动词就能用上过去分词了,为什么呢?
As I held him and assured him that he had done a terrific job and God was certainly not angry with him为什么从句那要用had done 而不用did?还有那些什么过去分词短语好像不要用Be动词后面的动词就能用上过去分词了,为什么呢?
问题解答：
我来补答展开全文阅读