连系动词本身有词义,但不能单独作谓语,后面必须加表语（名词,形容词等）一起构成谓语.常用的连系动词有： （1）表主语的特征：look,smell,seem,feel,sound,taste,appear (2）表主语所处的状态：remain,keep,stand,stay,lie,sit (3)表主语的变化或结果：go,get,turn,becom,come,grow,run,fall,prove 如：The leaves have turned red. She felt a bit tired.
