1 John 1 2
the life was manifested, and we have seen, and bear witness, and declare to you that eternal life which was with the Father and was manifested to us—
Compare with other 3 random translations
CSB 1 John 1:2that life was revealed, and we have seen it and we testify and declare to you the eternal life that was with the Father and was revealed to us —
KJV 1 John 1:2(for the life was manifested, and we have seen it, and bear witness, and show unto you that eternal life, which was with the Father, and was manifested unto us;)
EAS 1 John 1:2He showed himself clearly when he lived on this earth. From long ago he was together with God the Father, and he lives for ever. We saw him and we are telling you what is true. He is the one who has shown himself to us.