过去时的不规则动词都有哪些

am/is –was are—were have/has—had do/does—did can—could will—would shall—should swim—swam sing—sang ring—rang sit—sat come—came give—gave run—ran drink—drank become—became begin—began buy—bought bring—brought catch—caught think—thought teach—taught send—sent build—built go—went spend—spent lose—lost lend—lent mean—menat sweep—swept feel—felt learn—learnt/learned smell—smelt sleep—slept put—put cut—cut hit—hit read—read hurt—hurt let—let beat—beat cost—cost write—wrote ride—rode rise—rose win—won drive—drove speak—spoke get—got forget—forgot choose—chose sell—sold wake—woke break—broke fly—flew/flied blow—blew draw—drew know—knew throw—threw grow—grew see—saw say—said hold—held take—took understand—understood stand—stood may—might meet—met eat—ate leave—left wear—wore hear—heard make—made hang—hung lie—lay fall—fell dig—dug find—found steal—stole