NET
12 He replied, “Surely I will be with you, and this will be the sign to you that I have sent you: When you bring the people out of Egypt, you and they will serve God at this mountain.”
Darby
12 And he said, For I will be with thee; and this shall be the sign to thee that I have sent thee: when thou hast brought forth the people out of Egypt, ye shall serve God upon this mountain.
KJV
12 And he said, Certainly I will be with thee; and this [shall be] a token unto thee, that I have sent thee: When thou hast brought forth the people out of Egypt, ye shall serve God upon this mountain.