were的原形是be ，were是be的过去时复数和第二人称单数形式有时代替 was，用于条件从句、动词 wish 之后等。
1、We were the only people there.
我们是唯一在场的人。
2、Most of the problems were due to human error.
多数问题都是人为错误造成的。
3、There were 50 people there， at the very most.
那儿最多只有50个人。
原形是are，比如说you were原形就是you are
was的原形是am 或者is，比如I was的原形就是I am，再比如he was的原形就是he is
清楚了吗
