英语用am,is,are,was,were造句?

问题描述:

英语用am,is,are,was,were造句?
造六句
要用第三人称,
am的过去式是was
I am a student.
I was student last year.

l am a student.
He is a student.
we are students
I was student last year
They were students last year.