Past tense and Past continuous

Past tense is Details of actions that finished in the past

Past continuous is …

•Action in progress at a definite time in the past .

•The action was still happening when another action started in the past .

Example :

• The cat was sleeping on the sofa.
• I was eating the dinner when someone knocked at the door.
• While he was watching TV, I was working hard.
• I was wondering if you could help me.

URL :

http://en.wikipedia.org/wiki/Past_tense

http://www.englishpage.com/verbpage/simplepast.html

http://www.englishclub.com/grammar/verb-tenses_past.htm

http://www.englishtenseswithcartoons.com/tenses/past_continuous

http://esl.about.com/od/grammarstructures/a/pastcont.htm

http://esl.about.com/od/grammarstructures/p/g_pastsc.htm