英语

英语英语单词在哪种情况下是双写最后的字母，再加ed和ing的？

单词后三个字母是“辅－元－辅”结构，就要双写最后一个字母。 begin beginning cut ---- cutting dig ---- digging get ---- getting hit ---- hitting let ---- letting put ---- putting run ---- running set ---- setting shut ---- shutting sit ---- sitting spit ---- spitting split ---- splitting swim ---- swimming win ...全部

  单词后三个字母是“辅－元－辅”结构，就要双写最后一个字母。
   begin beginning cut ---- cutting dig ---- digging get ---- getting hit ---- hitting let ---- letting put ---- putting run ---- running set ---- setting shut ---- shutting sit ---- sitting spit ---- spitting split ---- splitting swim ---- swimming win ---- winning beg ---- begged ---- begging drip ---- dripped ---- dripping dot ---- dotted ---- dotting drop ---- dropped ---- dropping fit ---- fitted ---- fitting hug ---- hugged ---- hugged plan ---- planned ---- planning pat ---- patted ---- patting rid ---- ridded ---- ridding rob ---- robbed ---- robbing rebet ---- rebetted ---- rebetting regret ---- regretted ---- regretting stop ---- stopped ---- stopping stir ---- stirred ---- stirring rub ---- rubbed ---- rubbing travel ---- travel(l)ed ---- travel(l)ing whip ---- whipped ---- whipping。收起