KJV : And he said <0559> (8799), Behold, I make <03772> (8802) a covenant <01285>: before all thy people <05971> I will do <06213> (8799) marvels <06381> (8737), such as have not been done <01254> (8738) in all the earth <0776>, nor in any nation <01471>: and all the people <05971> among <07130> which thou [art] shall see <07200> (8804) the work <04639> of the LORD <03068>: for it [is] a terrible thing <03372> (8737) that I will do <06213> (8802) with thee.
NASB : Then God said, "Behold, I am going to make a covenant. Before all your people I will perform miracles which have not been produced in all the earth nor among any of the nations; and all the people among whom you live will see the working of the LORD, for it is a fearful thing that I am going to perform with you.
NASB# : Then God said<559>, "Behold<2009>, I am going to make<3772> a covenant<1285>. Before<5048> all<3605> your people<5971> I will perform<6213> miracles<6381> which<834> have not been produced<1254> in all<3605> the earth<776> nor<3808> among any<3605> of the nations<1471>; and all<3605> the people<5971> among<7130> whom<834> you live will see<7200> the working<4639> of the LORD<3068>, for it is a fearful<3372> thing<3372> that I am going to perform<6213> with you.