主语：the old man
定语：old（修饰man)
谓语：was feeling
表语：tired
very,程度副词,修饰tired.
谓语由简单动词或动词短语(助动词或情态动词+主要动词）构成,即这里助动词为 was
主要动词为feel,二者构成过去进行时态.故,was feeling是谓语好的，谢谢。那么在The man was trying to sleep.这句话中to sleep是宾语吗？对哦，是不定式做宾语哦。O(∩_∩)O~