小学六年级下册所有的过去式、比较级、进行时、将来时,急用! 明天要...答:10.以ought和aught结尾,且读音是〔 :t〕的过去式.如:bring—brought,buy— bought,think—thought,catch—caught,teach—taught 11.以ould结尾且读音为〔ud〕的情态动词过去式.如:can—could,shall—should,will—would 12.把动词原形中的o改为a,变成过去式.如:come—came,become—became 13....