1 Corinthians 14:13
14:13 So then, one who speaks in a tongue should pray that he may interpret.
1 Corinthians 12:30
12:30 Not all have gifts of healing, do they? Not all speak in tongues, do they? Not all interpret, do they? 1
1 Corinthians 14:27
14:27 If someone speaks in a tongue, it should be two, or at the most three, one after the other, and someone must interpret.
1 sn The questions in vv. 29-30 all expect a negative response.