- Interrogative1. whenComponents2ครั้งkrángtime,occasionVery commonLearn this earlyไหนnăiwhichever oneVery commonLearn this early
- Indefinite PronounBuilt up from ครั้งไหน3ครั้งkrángtime,occasionVery commonLearn this earlyไหนnăiwhichever oneVery commonLearn this earlyแต่ครั้งไหนครั้งไรdtàe kráng năi kráng raifrom time inmemorialObscureSafe to skip for now

