1. zeitik ah; e.g. When did you come = Zeitik dah na rat?; e.g. It was raining when we arrived = Kan phak ah ruah a sur chuahmah ko; e.g. When will you get to town = Zeitik ah dah khua na phak lai?;
2. nain; e.g. We have only two books when we need three = Cauk pathum kan herh nain pahnih lawng kan ngei;
3. zeitik caan in dah; e.g. Since when has Mr. Brown a car = Zeitik khan dah Mr. Brown cu motocar a ngeih?