ืฉืืืืช ืื / ืื ืืขืืจ ืคืฉืื
Did she wait? ยท Did they play?
ืฉืืืืช ืื / ืื ืืขืืจ ืคืฉืื
โข ืฉืืืืช ืื / ืื ืืขืืจ โ ืืชืืืืืช ื-Did
โข ืืืื ื: Did + ื ืืฉื + ืคืืขื ืืฆืืจืช ืืืกืืก
โข Did ืืชืืื ืืื ืื ืืฉืืื (I / you / he / she / it / we / they)
โข ืืืจื Did ืืคืืขื ืชืืื ืืฆืืจืช ืืืกืืก
ืืฆืืจื ืืื ืืื ืืืืคืื
ืืฆืืจื ืืื ืืื ืื ืืฉืืื
ืืืจื ืืื ืขืื ืื ืขื ืฉืืืืช ืื / ืื ืืขืืจ ืืชืฉืืืืช ืงืฆืจืืช ืขื did / didn't.
Did they walk to school?
Did you clean the room?