do study go clean stay visit have dont isnt 的过去式怎么写

do study go clean stay visit have dont isnt 的过去式怎么写 写出下列动词过去式 spend,ask ,study,is,go,play,watch,stay,visit,clean 写出它们的过去式：study、visit、stay、have、pratice. look play clean go do visit stay study dance live stop shop go、work、come、have、find、help、study、fly、do、make、stay的过去式 clean,visit,have,get,read,go的过去式 clean、visit、wash、study、like、do、go、read、is、see加过去式 clean do call visit want tall watch的过去式怎么写? visit,clean,have,sit,watch,stay,piay,study,read,find的三单,现在分词 用所给单词填空： have , study , go , do , visit , stay , enjoy do,have.go.see.play.study.clean.stop第三人称单数,现在分词和过去式 do,play,go,study,have,listen,stop,practice的过去式