第一类 直接加ing 1. look-looking 2. catch-catching 3. do-doing 4. play-playing 5. go-going 6. buy-buying 7. say-saying 8.see-seeing 9.bring-bringing 10.help-helping 11.sing-singing 12.draw-drawing 13.work-working 14.watch-watching 15.clean-cleaning 16.learn-learning 17.jump-jumping 18.be-being 19.fly-flying 20.stick-sticking 21.collect-collecting 22.cry-crying 23.walk-walking 24.build-building 25.hunt-hunting 26.fish-fishing 27.eat-eating 28.listen-listening 29.read-reading 30.stand-standing 第二类 以e结尾的，去掉e，再加ing 1. ride-riding 2. bake-baking 3. shake-shaking 4. have-having 5. dance-dancing 6. write-writing 7. make-making 8. come-coming 9. take-taking 第三类 单独记 最后一个字母重复，再加ing 1. swim-swimming 2. get-getting 3. run-running 4. put-putting 本文来源：https://www.wddqw.com/doc/2071724533d4b14e84246894.html