( ) Mrs.Brown often saw her son ____basketball when she was free A.playing B.plays C.to play D.played
问题描述：
( ) Mrs.Brown often saw her son ____basketball when she was free A.playing B.plays C.to play D.played
答
这个主要考查的是感官动词的用法.应该选D.感官动词后只加动词原形或者现在分词.加动词原形,表示发生过什么事；加现在分词,表示正在发生什么事.根据句意,应选D.她看见他打篮球,而不是看见他正在打篮球.