Hello Michael, Here is the simple difference between each one of them. PAST SIMPLE: (Using the past of any regular or irregular verb) An action that has finished no matter the duration of time a) When using the verb TO BE, i.e: "We were in Paris together" b) When using any verb in past, regular or irregular, i.e.: " I ate the cookies" PRESENT PERFECT (Using has or have + the participle of the verb) An action that was repeated many times in the past. a) She has studied that lesson over and over. b) I have heard that story before. For further information, do not hesitate in contacting me. Best regards, GMartin

Hello Michael, Here is the simple difference between each one of them. PAST SIMPLE: (Using the past of any regular or irregular verb) An action that has finished no matter the duration of time a) When using the verb TO BE, i.e: "We were in Paris together" b) When using any verb in past, regular or irregular, i.e.: " I ate the cookies" PRESENT PERFECT (Using has or have + the participle of the verb) An action that was repeated many times in the past. a) She has studied that lesson over and over. b) I have heard that story before. For further information, do not hesitate in contacting me. Best regards, GMartin