词尾双写再加ing的动词 规则:“一个元音字母 + 一个辅音字母”构成的重读闭音节,这个辅音字母双写,再加ing。1. admit(admitted admitted)admitting 2. ban(banned banned)banning 禁止3. beg(begged begged)begging4. begin(began begun)beginning5.chat(chatted chatted)chatting 6.clap(clapped clapped)clapping 鼓掌7.control(controlled controlled)controlling8.dip(dipped dipped)dipping 浸,蘸9.dig(dug dug)digging10. drag(dragged dragged)dragging 拖,拉,拽11. drop(dropped dropped)dropping12. fan(fanned f