动词的ing形式1. -ing分词的构成 -ing分词是由动词原形加词尾-ing构成-ing分词同样有时态和语态的变化通常有下表几种形式(以do为例): 主动形式 被动形式 一般式 doing being done 完成式 having done having been done -ing分词的否定形式是由not
现在分词(1)一般情况下在动词词尾加ing go→going???????????? ask →asking?????????????? look→looking(2)以不发音的e结尾的动词去掉e加inghave →having????? take→taking????????? make→making?????? write→writing(3)以一个辅音字母结尾的重读闭音节双写最