<正> He went fishing very early every morning. Crowds of people go shopping. 句中的fishing和shopping有的语法学家说是动名词,是a-fishing和a-shopping省去了介词a的结果。目前,多数人倾向于是现在分词表目的。godoing结构常见,但却不是活用结构,doing既受语义也受惯用法的限制。从语义上,doing大约可分为四类: 1.表示体育运动或娱乐消遣。如:go fishing(hunting,shooting,biking,walking,boating,sailing,riding,sking,autoing,camping)