forget,like,love,enjoy,hate,remember,start,begin,stop,practise,finish,keep,continue,try,advise
对不起,我理解错了laugh-laughing-大笑;sleep-sleeping-睡眠;watch-watching-观察;sing-singing-唱歌;clean-cleaning-打扫;read-reading-阅读;drink-drinking-喝饮料;jump-jumping-跳跃;see-seeing-观看;look-looking-有...样子的