不规则动词过去式
am/is –wasare—were have/has—haddo/does—didcan—couldwill—wouldshall—should
swim—swamsing—sang ring—rangsit—satcome—camegive—gave run—ran drink—drank begin—began become—became
buy—boughtbring—broughtthink—thoughtteach—taughtcatch—caught
send—sentbuild—builtgo—wentspend—spentlose—lostlend—lentmean—menatsweep—sweptfeel—feltlearn—learnt/learnedsmell—smeltsleep—slept
put—putcut—cuthit—hitread—readhurt—hurtlet—letbeat—beatcost—cost
write—wroteride—roderise—rosewin—wondrive—drovespeak—spokeget—gotforget—forgotchoose—chosesell—soldwake—wokebreak—broke
fly—flew/fliedblow—blewdraw—drewknow—knewthrow—threwgrow—grewsee—saw
say—said hold—held may—might take—tookmeet—metunderstand—understood stand—stood
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