this really happened to me yesterday i went to learn after effect.i learn with 2 friends. before i go,i message to 1 of 2 friend to ask the time to learn.(call A) i said " what is the time to learn,6h30? " A didn't reply me. then B messaged me to ask the time to learn... i said "i don't know but i'm asking A" B said "don't ask A because A just ask me" i said "i guess the time is 6h30"(I vaguely remember) B said "ok" then i received message of A A said "yes" .i wrote but i don't know gramar is right or wrong.. help me,please