ืฉืืืื ืืขืืจ ืคืฉืื
He did not walk ยท She didn't eat
ืฉืืืื ืืขืืจ ืคืฉืื
โข ืฉืืืื ืืขืืจ โ did not + ืคืืขื ืืฆืืจืช ืืืกืืก
โข ืืืจื did not ืืคืืขื ืืืืจ ืืฆืืจืช ืืืกืืก (ืืื -ed ืืืื ืฆืืจืช ืขืืจ ืืืืืืช)
โข ืฆืืจืช ืืงืืฆืืจ: did not โ didn't
ืฆืืจืช ืืคืืขื ืืฉืืืื ืืขืืจ ืืื ืืื ืืืืคืื.
โ ๏ธ ืืืจื: ืืืจื did not / didn't ืืคืืขื ืชืืื ืืฆืืจืช ืืืกืืก. ืื ื ืืื: He didn't walked ยท ื ืืื: He didn't walk.