Manent illa omnia, iacet: this is my correction of the reading of most MSS.
Cum igitur dubium non sit in infantibus esse peccatum, debet aliquod esse discrimen infantium Ethnicorum, qui manent rei, et infantium in Ecclesia, qui recipiuntur a Deo per ministerium.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "manent" in a variety of sentences. We hope that you will now be able to make sentences using this word.