我需要一张不规则动词的过去式表,只要过去式,不要过去分词的,在网上看到的一些都太繁琐,看不大懂耶,那些动词简单写好了,大概小学程度就OK了,

am, is wasare werebabysit babysatbecome becamebend bentbegin beganbite bitbleed bledblow blewbreak brokebring broughtbuild builtburn burntburnedbuy boughtcan couldcatch caughtchoose chosecome camecost...