afsakaðu (imperative, sing) = sorry/excuse me (to one person)
afsakið (imperative, plur) = sorry/excuse me (to multiple people)
ég afsaka (informal, 1st, sing, pres) = I am sorry
við afsökum (informal, 1st, plur, pres) = we are sorry
þú afsakar (informal, 2nd, sing, pres) = you are sorry
þið afsakið (informal, 2nd, plur, pres) = you (all) are sorry
hann/hún/það afsakar (informal, 3rd, sing, pres) = he/she/it is sorry
þeir/þær/þau afsaka (informal, 3rd, plur, pres) = they (all) are sorry
ég afsakaði (informal, 1st, sing, past) = I apologized
við afsökuðum (informal, 1st, plur, past) = we apologized
þú afsakaðir (informal, 2nd, sing, past) = you apologized
þið afsökuðuð (informal, 2nd, plur, past) = you (all) apologized
hann/hún/það afsakaði (informal, 3rd, sing, past) = he/she/they/it apologized
þeir/þær/þau afsökuðu (informal, 3rd, plur, past) = they (all) apologized
ég afsaki (informal, 1st, sing, pres) = I am sorry (to/for __)
við afsökum (informal, 1st, plur, pres) = we are sorry (to/for __)
þú afsakir (informal, 2nd, sing, pres) = you are sorry (to/for __)
þið afsakið (informal, 2nd, plur, pres) = you (all) are sorry (to/for __)
hann/hún/það afsaki (informal, 3rd, sing, pres) = he/she/they/it is sorry (to/for __)
þeir/þær/þau afsaki (informal, 3rd, plur, pres) = they (all) are sorry (to/for __)
ég afsakaði (informal, 1st, sing, past) = I was sorry (to/for __)
við afsökuðum (informal, 1st, plur, past) = we were sorry (to/for __)
þú afsakaðir (informal, 2nd, sing, past) = you were sorry (to/for __)
þið afsökuðuð (informal, 2nd, plur, past) = you (all) were sorry (to/for __)
hann/hún/það afsakaði (informal, 3rd, sing, past) = he/she/they/it was sorry (to/for __)
þeir/þær/þau afsökuðu (informal, 3rd, plur, past) = they (all) were sorry (to/for __)
Middle Voice:
ég/þú/hann/hún/það afsakast (informal, 1st, 2nd, 3rd, sing, pres) = to be apologized to by (me, you, he, she, it, them)
við afsökumst (informal, 1st, plur, pres) = to be apologized to by me
þið afsakist (informal, 2nd, plur, pres) = to be apologized to by you
þeir/þær/þau afsakast (informal, 4rd, plur, pres) = to be apologized to by them (all)
ég/þú/hann/hún/það afsakaðist (informal, 1st, 2nd, 3rd, sing, past) = was apologized to be (me, you, he, she, it, them)
við afsökuðumst (informal, 1st, plur, past) = was apologized to be me
þið afsökuðust (informal, 2nd, plur, past) = was apologized to by you
þeir/þær/þau afsökuðust (informal, 3rd, plur, past) = was apologized to by them (all)
Hunter 
Hunter