英语过去式变化规律有几种?答:如: let—let,must—must,put—put,read—read〔red〕15.不符合上述规律的动词过去式。如:am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,feel—felt,find—found,fly—flew,go—went,have /has— had,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took过去式...