Explanation:
1. http://www.englishtenses.com/tenses/past_simple
2. http://www.autoenglish.org/7STG05.htm
Exercises:
1. http://www.englishtenses.com/exercise/past_simple_exercise1
2. http://www.autoenglish.org/gr.pastsim.i.htm
3. http://www.autoenglish.org/tenses/gr.pastsimple.pdf
Video:
1. http://www.youtube.com/watch?v=jmYApnLJPzQ
1. http://www.englishtenses.com/tenses/past_simple
2. http://www.autoenglish.org/7STG05.htm
Exercises:
1. http://www.englishtenses.com/exercise/past_simple_exercise1
2. http://www.autoenglish.org/gr.pastsim.i.htm
3. http://www.autoenglish.org/tenses/gr.pastsimple.pdf
Video:
1. http://www.youtube.com/watch?v=jmYApnLJPzQ