只能加 dong 的单词或短语

finish,enjoy,suggest,mind,dislike,practice,miss,keep,advise,allow,forgive,imagine,prevent,understand,resist,reject,consider,avoid,delay,deny,excuse,admit,endure,escape,pardon,postpone,risk,fancy,tolerate等.还有get/be used to(习惯于),can’t help/ can’t stand(禁不住),feel like,look forward to,pay attention to,give up,be worth,be busy,be fond of（喜欢）,object to,lead to,put off,insist on/stick to(坚持),keep on,keen on(渴望),refer to(参考)等短语之后(因为要做介词宾语),以及sb spend sm/st (in),have difficulty/trouble (in),have fun/pleasure (in),it’s no use/good,it’s ( a) waste of time (in),there is no (不可能e.g.:There is no joking about such matters.译文：这种事开不得玩笑.)等句型后.

go+doing
keep

是doing吗?
单词有：finish enjoy practise miss keep forgive imagine prevent,,
短语有：get used to doing can't help doing feel like look forward to pay attention to ..
不够的话，参见下面网址
http://zhidao.baidu.com/question/99407048.html