New King James Version
What shall we say then? Is the law sin? Certainly not! On the contrary, I would not have known sin except through the law. For I would not have known covetousness unless the law had said, “You shall not covet.”

King James Bible
What shall we say then? Is the law sin? God forbid. Nay, I had not known sin, but by the law: for I had not known lust, except the law had said, Thou shalt not covet.

American Standard Version
What shall we say then? Is the law sin? God forbid. Howbeit, I had not known sin, except through the law: for I had not known coveting, except the law had said, Thou shalt not covet:

Berean Study Bible
What then shall we say? Is the law sin? Certainly not! Indeed, I would not have been mindful of sin if not for the law. For I would not have been aware of coveting if the law had not said, “Do not covet.”

Douay-Rheims Bible
What shall we say, then? Is the law sin? God forbid. But I do not know sin, but by the law; for I had not known concupiscence, if the law did not say: Thou shalt not covet.

English Revised Version
What shall we say then? Is the law sin? God forbid. Howbeit, I had not known sin, except through the law: for I had not known coveting, except the law had said, Thou shalt not covet:

World English Bible
What shall we say then? Is the law sin? May it never be! However, I wouldn't have known sin, except through the law. For I wouldn't have known coveting, unless the law had said, "You shall not covet."

Young's Literal Translation
What, then, shall we say? the law is sin? let it not be! but the sin I did not know except through law, for also the covetousness I had not known if the law had not said:

Romans 7:7 Additional Translations ...