It's of great benefit to everyone to save time上面这句子可改为“It's very beneficial to everyone to save time”吗?还是不能用“much”,只能用“very”

It's of great benefit to everyone to save time
上面这句子可改为“It's very beneficial to everyone to save time”吗?还是不能用“much”,只能用“very”

可以改,只是原来用of结构比较正式一些的文体,而改过的句子比较日常化.不能用much来修改,还是只能用very这副词修改形容词beneficial. 如果修饰过去分词可用much, 譬如,He was much puzzled by this behaviour.(他为这个行为感到困惑.) 如果过去分词完全形容词化应用very: I am very tired.我很疲倦.