填写下列单词的过去式 work walk begin study have telephone go see mend

填写下列单词的过去式 work walk begin study have telephone go see mend 写出下列单词的过去式 go read do study swim an,is see walk fly 写出下列单词的过去式：am/is,are,begin,buy,come,do,eat,get,give,go,have/ go、work、come、have、find、help、study、fly、do、make、stay的过去式 下列单词的过去式am/is/are,do,go,come,buy,have,eat,take,hang,see,run, 写出下列动词的三单现,过去式,现在分词形式 go eat take run begin study enjoy get 写出下列动词的过去式和过分去词.1.go 2.study 3.have 4.become 5.see 6.buy 7.d 求下列单词的过去式stay,study,say,see,wait,visit,eat,wear,spend,improv go、eat、have、begin、study的现在分词是什么 求几个单词的现在分词do study go stay sit have see shop read stop 单词变过去式规则比如do,go,have,is,see. do,play,go,study,have,listen,stop,practice的过去式