Difference between Did & Have/Has, Simple past V/S Present perfect tense

[@abhaykotnala5747]

Nice sir💖

[@ranaji20003]

Nice sir 👍

[@Dr.Khan_Physiotherapist]

Nicee sir g

[@akhileshgaur7271]

बहुत बढ़िया सर 👌👌👌

[@sunitaoberoi5001]

Welldone sir

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Nice class sir 🙏

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Nice class sir 👍