坚持这项工作由一个有经验的工人做She insisted that this work should be done by an exp她坚持这项工作由一个有经验的工人来做She insisted that the work should be done by an experienced worker.1：为什么should可以去掉?2：be done换成to do可以吗?为什么?
问题描述：
坚持这项工作由一个有经验的工人做She insisted that this work should be done by an exp
她坚持这项工作由一个有经验的工人来做
She insisted that the work should be done by an experienced worker.
1：为什么should可以去掉?
2：be done换成to do可以吗?为什么?
答
She insisted that this work should be done by an experienced worker. she insists that this job should be done by an experienced worker. ..
答
1：为什么should可以去掉?
您好,这个是一个固定的表达,也就是说：当insist（坚持要求）引导宾语从句时,从句的谓语动词是should +动词原形,而且should 可以省略.
2：be done换成to do可以吗?为什么?
不能,没有insist sth to do结构