dwelled

不规则动词的过去式大体上归纳有以下六条记忆法: 1. 以t结尾的词,过去式与原形相同。如:put—put,let—let,cut—cut,beat—beat 2. 以d结尾的词,把d变成t。如:build—built,lend—lent,send—sent,spend—spent 3. 以n结尾的词,在词后加t。如:mean—meant,burn—burnt,learn—learnt ...