几个关于非谓语动词的问题1.Determined to change(下定决心去改变),he entered a diet program.为什么不用Having determined to change2.Being exposed to sunlight(暴露在阳光下)for too much time will do harm to your skin.为什么不用Exposed to sunlight

问题描述:

几个关于非谓语动词的问题
1.Determined to change(下定决心去改变),he entered a diet program.
为什么不用Having determined to change
2.Being exposed to sunlight(暴露在阳光下)for too much time will do harm to your skin.
为什么不用Exposed to sunlight

第一个现在分词的完成时强调动作在谓语动词动作之前就已经完成.这里指原因,不强调顺序.所以用过去分词短语.
第二个过去分词不能做主语,动名词能做主语.