NET

19 Now if you forget the Lord your God at all and follow other gods, worshiping and prostrating yourselves before them, I testify to you today that you will surely be annihilated.

Darby

19 And it shall be, if thou do at all forget Jehovah thy God, and go after other gods, and serve them, and bow down to them, I testify against you this day that ye shall utterly perish.

KJV

19 And it shall be, if thou do at all forget the LORD thy God, and walk after other gods, and serve them, and worship them, I testify against you this day that ye shall surely perish.

Strong's

19 And it shall be, if thou do at all^H7911 forget^H7911 the LORD^H3068 thy God^H430, and walk^H1980 after^H310 other^H312 gods^H430, and serve^H5647 them, and worship^H7812 them, I testify^H5749 against you this day^H3117 that ye shall surely^H6 perish^H6.