1)
What do we know?
1.
Radak: We know our evil, and 1 that of our fathers.
2.
Malbim: We know the answer [why the cure is not coming]. We filled our measure of sin.
1
It is as if it says v'Avon. (PF)
2)
Who sinned against You?
1.
Radak, Malbim: We and our fathers. It is proper that You punish for their sin and ours, for we persisted in their sin.
3)
What kinds of sin does the verse discuss?
1.
Radak: Rish'enu is rebellion. Avon is Mezid. Chatanu is Shogeg.