可以当谓语动词，例如：1、Only in his dreams does he give expression to his fears.他只有在梦中表现出恐惧。2、The study theorizes about the role of dreams in peoples' lives.这项研究从理论上说明了梦在人们生活中的作用。3、I've finally found the man of my dreams.我终于找到了理想中的男人。
