英语单词allow后面可以直接加动名词 又可以加不定式,请问有什么不同吗...答:1、allow sb to do sth,allow后有人(宾语)时,用不定式,意思是允许某人做某事,如The teacher allowed us to discuss in class yesterday.2、allow doing sth,allow后没有人(宾语)时,用动词ing形式,意思是允许做某事,如The teacher allowed discussing in class yesterday.没说允许谁做,所以用动词...