I want to make sure that
Quiero asegurarme de que eres lo que dices que eres.
I want to make sure that you are who you say you are.
Primero quiero asegurarme de que no estás mintiendo.
First I want to make sure you're not lying.
Quiero asegurarme de que sea usted quien dice ser.
I want to make sure that you are who you say you are.
Solo quiero asegurarme de que Tom está bien.
I just want to make sure Tom is okay.
Quiero asegurarme de que haya suficiente.
I want to make sure there's enough.
Quiero asegurarme de que seas quien dices ser.
I want to make sure you are who you say you are.
Quiero asegurarme de que Tom esté a salvo.
I want to make sure Tom is safe.
Quiero asegurarme de que no le pasará nada a Tom.
I want to make sure nothing happens to Tom.
Quiero asegurarme de que estés a salvo.
I want to make sure you're safe.
Quiero asegurarme de que sean quienes dicen ser.
I want to make sure they are who they say they are.