动词的现在分词(—ing)规则现在分词的构成方法 (1) 一般情况下,在动词后加—ing 构成: work-— working, sleep——sleeping, wait —— waiting 等
(2) 在不发音的—e 结尾动词去掉 e 后再加-ing: smile-—smiling, move—moving take-taking make-—making 等
(3) 以重读闭音节或 r 音节结尾且末尾只有一个辅音字母动词,要双写末尾的辅音字母再加—ing:sit--sitting, plan—-planning, refer—-referring, occur-occurring, begin—beginning, beg-begging, cut—cutting, get—getting, hit—hitting, let—letting, swim-swimming, permit-permitting stop—stopping, drop—dropping, dig—digging, win-winning, run—running, put-putting, admit-admitting,shop——shopping, fit——fitting, forget——forgetting, spit-—spitting (4) 以字母 ie 结尾的动词,通常将 ie 改为 y,再加 ing: die-—dying, lie-—lying, tie——tying 等
【注】(1) 以字母 l 结尾动词,若末尾一个音节为重读音节,则必须双写 l 再加 ing,如 control --controlling,但若末尾一个音节为非重读音节,则可双写 l(英国英语)或不双写 l(美国英语),如: travel—traveling/travelling