1、are的过去式是were。are是be的第二人称单复数现在式,am和is是单数形式;am,is的过去式是was,are的过去式是were。过去分词都是been。

2、are的过去式例句:

(1)We were all badly bitten by mosquitoes.我们都被蚊子咬惨了。

(2)Engineers noticed that the pipes were not expanding as expected.工程师注意到管道并没有如预期那样膨胀。

(3)They were knocking around together for about a year.他们交往大概有一年了。