static S ai_tripelize_helperVerb(S a, S v) {
  // a = "do", middle, v = "love", rest = "me"
  if (eqic(a, "does")) v = verbToThirdPerson(v) + "?";
  else if (eqicOneOf(a, "do")) v += "?";
  else if (eqic(a, "did")) v = verbToPast(v) + "?";
  else v = a + " " + v + "?";
  ret v;
}