feature tense a bad score

zabdul :i think you'll be very sad
togar    : why you very sad
zabdul : because i bad a score
togar    :why you have a bad score
zabdul  : because yesterday I left the bimbel
togar    : you should go yesterday
zabdul  : yes i am very sorry
togar    : ok,do not repeat it again,bye.
zabdul :wait where are you going ?
togar   : i'm going to eat in bazzar.
zabdul :oh, can I just eat with you?
togar    :ohhh, yes sure.