become,blow,break,build,burn,buy,can,catch,choose,come,cost,cut,b...答:become, became , become blow, blew ,blown break, broke , broken build, built , built burn, burnt , burnt buy, bought , bought can, could (没有过去分词,只有一般现在时和一般过去时两种形式)catch, caught , caught choose,chose , chosen come, came , come cost, cost cost cut...