am的过去式是:was。例如,
I was in Class 1,Grade 9 last term.(上学期我在九年级一班。)
I was thirteen years old last year.(去年我十三岁。)
I was ill the other day.But now I am feeling much better.(几天前我生病了。但是现在我感觉好多了。)
I was given a gift for my birthday by my father last year.(去年我过生日爸爸给了我一件礼物。)