新概念三语法问题

问题描述:

新概念三语法问题
such is human nature ,that a great many people are often willing to sacrifice higher pay for the priviliege of becoming white-collar workers.
这句话中 such做代词放在句首了,书上说这句话 倒装了,哪倒装了?什么引起的?
this can give rise to curious situations ,as it did in the case of alfred bolggs who worked as a dustman for the ellesmere corporation
这个did可不可以换为was?did什么成分 作用?

第一句没看出来倒装,是不是前面一句话?第二句的did 不能换.意思是gave rise to