don't waste your time thinking about the past 句子成分分析

问题描述:

don't waste your time thinking about the past 句子成分分析

祈使句
主语you省略掉了
don't waste(谓语) your time(waste的宾语) thinking about(宾语你的时间的补足语,解释说明用时间做什么了) the past (think about的宾语)