英语滴He told me he couldn't sleep because of noise.The next mo
英语滴 He told me he couldn't sleep because of noise.The next morning he found the door[ had been ]blocked(堵住).请问这里的HAD BEEN为啥要用过去完成时啊? 用被动不行吗?was blocked? 请问2楼: 也就是说从句动作发生在主句之后就得用完成时是吗? 这里还有个句子:My dog had taken it to the garden.又该如何解释呢?发生在什么动作之前啊?