Past Simple: was / were

We use this tense when you want to talk about something at a definite time in the past: yesterday, last night, in 2006 etc.

           

The past simple of be is  ''was'' or ''were'': the form depends on the subject as it is almost always the case.

I                     was  at home	yesterday
YOU             were at the cinema	yesterday morning
HE / SHE /   was   at school	yesterday afternoon
IT                  was cold	last night
WE               were in Rome	last week
YOU             were students	in 1999
THEY          were   absent	two days ago

Click on these link and do the exercises:

http://www.englisch-hilfen.de/en/exercises/tenses/was_were.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=5133
http://a4esl.org/q/h/lb/was.html
http://www.ego4u.com/en/cram-up/grammar/simple-past/exercises?03