What is the difference between were and have been, and are these sentences gramatically correct? Was、were的用法和与is、am、are的区别区别如下:1、were是are的过去式,表示复数。2、was是is,am的过去式,表示单数。例句:there were many trees on the playground.以前的. No bootable device found中文翻译:找不到可引导设备 戴尔电脑重装系统开机出现no bootable device found原因分析:
如何正确理解 had done、have done、have been doing 这 3 种时态? Mugshots and making headlines ——从句对. If you were talking about all the other aspects, the cost would be even greater.
1) some of the best known writers of detective fiction in the twentieth century were. 在英语中,you作为第二人称,其后的be动词通常使用are或were。are表示现在时态,were表示过去时态。例如:that's my wife you were talking to(刚才和你说话. From other's conversation,i found out they mentioned i was and sometimes they also mentioned i were.