精选优质文档-倾情为你奉上（1）：be done（be随人称变化）：was/were done：will be done：be being done（前面的be随人称变化，后面的being固定）：was/were being done（being固定）：will be being done（being固定）：have/has been done：had been done：will have been done：will have been done：have been being done过去将来时：would be done：would have been done：had been being done：would be being done：would have been being done（2）公式：be+动词的过去分词应用范围：表示被动的情况，一般是及物动词有，切记与一些固定词组是没有的。例如：happen, take place英语的是通过动词形式的变化表现出来的。英语中有两种：和。表示主语是动作的。巧记为：主动
