2 and when you and your children return to the LORD your God and obey him with all your heart and with all your soul according to everything I command you today,

Read Deuteronomy 30:2 Using Other Translations

And shalt return unto the LORD thy God, and shalt obey his voice according to all that I command thee this day, thou and thy children, with all thine heart, and with all thy soul;
and return to the LORD your God, you and your children, and obey his voice in all that I command you today, with all your heart and with all your soul,
If at that time you and your children return to the LORD your God, and if you obey with all your heart and all your soul all the commands I have given you today,