what is was

what is the word "was" means?
"was" is past tense of "is"

2009-11-29 15:43:05 補充：
vi.
1. (用於第3人稱單數過去式)是[L]
I was a college student.
我以前是個大學生。
v.aux.
1. (與v-ing連用構成現在進行式;與v-ed連用構成被動態)
He was always encouraged to speak English.
人們總是鼓勵他講英語。
He was doing well in school.
他以前在學校很好。

was is the past tense of is!!!!!!!!!!!

was is the past tense過去式 of is （解：是）
e.g. i was the past student of MSS.
meaning:i used to be a student before when i was young

?????????????????????????????????????

2009-11-23 16:40:33 補充：
was即係係(sor,上面打錯野)