I've drunk two cups of tea this morning. vs I drank two cups of tea this morning.

[MrPedantic]

[Molly]

[MrPedantic]

I'm sure we all have limitations. Nonetheless, the comment is interesting.

In what context would a non-native ESL student say to an ESL teacher: "Ain't nothing 'bout the present perfect that you can teach me, gal"?

MrP

[Molly]

[Molly]

Mr P, in what context would a native ESL teacher think or say "There isn't anything about the present perfect that I can teach you, dear ESLer"?

[MrPedantic]

[Molly]

[Molly]

In what context would a non-native ESL student say to an ESL teacher: 'Ain't nothing 'bout "if I get/have chance..." that you can teach me, gal'?