taking the recent accident which happened in yunnanas an example,had the departments concerned paid more attention to peoples complaints,there would have been so much injury and death.
请问上述 中间插入一个had...done本身是什么句式,什么结构?表达什么意思,另外后面那个would have是将来完成时吗?表示本不会?请高手解答,had done这个句式,求例句。