#1 can be present or future tense. In this instance, it sounds as though the mark has not yet been received.
#2 is past tense. It sounds as though the marks have been received, but the speaker doesn't know whether the subject got a bad mark.
#4 is the wrong tense.
#5 and #7 are mostly correct. I think the preferred phrase is "I did pretty well."
#6 is missing th