swim take buy run go help listen dance clean talk visit have begin arrive find sing sleep eat pass写出三单及过去分词的形式

问题描述:

swim take buy run go help listen dance clean talk visit have begin arrive find sing sleep eat pass
写出三单及过去分词的形式

swims swam; takes took; buys bought; runs ran;goes gone; helps helped;listens listened;dances danced;cleans cleaned;talks talked;visits visited;has had;begins began;arrives arrived;finds found;sings s...