简单句的五种基本结构1:主谓2：主谓宾3：主谓表谓语：系动词be感官动词：look(看起来),sound.taste,smell,feel表变化：get,become,turn(颜色上的改变),grow(渐渐变得),fall(一般指变坏)表保持：keep,stay,remain,stand表表象：seem,appear表终止：prove