Difference between past indefinite and past perfect?

[Lohaniumesh]

Anyone can please help me where to use past indefinite and where to use past perfect....

[Hieupt]

This link may be helpful to you: http://www.ego4u.com/en/cram-up/grammar/simpas-pasper

BTW, this topic is already posted by other members: http://www.english-test.net/forum/ftopic45465.html#present_perfect_vs_past_perfect

Please read some recent topics before you post anything, it would help to save time of others...
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Thank you very much,
Hieu Phan.

P/s: Please just correct if I'm wrong somewhere!

[Lohaniumesh]

I am new to this community and name of that topic was different that's why i didn't see it....and thnks for your help....