动词变现在分词的规则

授课：王岩单位：建一中心小学3、以重读闭音节结尾，且词尾只有一个辅音字母时，先双写这个辅音字母，再加-ing（重闭单辅先双写）。1、一般直接在词尾加-ing（一般-ing）。2、以不发音的字母e结尾，先去e再加-ing（去哑e）4、以-ie结尾，先将-ie改成y，再加-ing。goingplayingknowingdoingsingingwatchingingingingingingingmakwritcomeeemakewritecomeingingingingrunswimstoprunnmpingingswimstoptiedielietieyingiedyyingingieldo_____write_____clean______have_____wash_____run_____cook_____set_____doingcleaningwashingcookingwritinghavingrunningsetting