哪个是句子的结构、成分、主语、谓语、宾语、状语、状语从句?Love help us stay calm and serene even when things are tough. calm、serene都是名词吗?even是副词,做状语吗,它是非谓语动词的状语吗,修饰stay吗? 谓语动词是help吗?stay是非谓语动词吗? 主语是Love? 状语从句是when things are tough吗?