had been warned与have warned有什么区别

had been warned与have warned有什么区别 have been married与had married有什么区别 THE TWO PLAYERS HAD BEEN WARNED OF THE DANGER,BUT __OF THEM had been和have been有什么区别?请举例 -He should have been warned of the danger.-______,but he wou 高中英语倒装句1He should have been warned of the danger. ---______, A storm is on the way.the farmers have been warned ( )in the He shou have been warned of the danger,so he was.为什么不是so he ——He shoule have been warned of the danger.——____,but he wou 8._______ somebody had told us,we could have warned you. have done.have been done .had done.had been done 有什么区别?怎么用?有 have been 和had been 什么区别