How to differentiate between the tenses?

[Sebongilebo]

Dear,Torsten

Thanks for the english that lesson that you sent me, the problem i experience when i speak english is the present tense, past tense and present continuous tense.please differentiate them for me.

I believe in you, and hope you'll assist me

kind Regards
BOBO(Nickname)

[Torsten]

Hi Bobo,

I suggest you read this: http://www.english-test.net/esl/lesson-plans/The_Tenses.html

TOEIC listening, photographs: Sitting on a dock