The next six forms address the listener; the last two refer to the speaker. Read the complete verb form instead of memorizing an isolated ending.
Attached object
Meaning
Complete form
كَ
you (one male)
ضَرَبَكَ
كُمَا
you two (males)
ضَرَبَكُمَا
كُمْ
you all (males)
ضَرَبَكُمْ
كِ
you (one female)
ضَرَبَكِ
كُمَا
you two (females)
ضَرَبَكُمَا
كُنَّ
you all (females)
ضَرَبَكُنَّ
نِي
me
ضَرَبَنِي
نَا
us
ضَرَبَنَا