Review of Tenses 2 (Present Perfect – Past Simple)

Present Perfect (I have finished / Has he finished ? / They haven’t finished) : is used for experiences we have already have or  haven’t had yet.
OR : for activities that started time ago and haven’t finished yet (already, just, yet, since, for,…)

Past simpleI played / Did he play? / She didn’t play :  is used for activities we did in the past. They are finished and completed (yesterday, last Monday/week/month/year, when…, in 2000, etc)