回帖:系动词,也称连系动词(Linking verb),是用来辅助主语的动词。它本身有词义,但不能单独用作谓语,其后必须跟表语,构成系表结构说明主语的状况、性质、特征等情况。
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系动词的五种语法结构
(1)系动词+形容词
常用词:come, sound, look, feel, smell, fall, sit, turn,remain, taste, keep, prove, grow, go, seem, stand, 等。
The bread has______.面包坏了。
This tea______.这茶的味道很香。
(2)系动词+名词
常用词:seem, prove, remain, become, turn, fall等。
Peter became a judge but John______.彼得当了法官,但约翰仍然是个渔民。
He______.他当老师了。(turn跟名词作表语,名词前不加冠词)
(3)系动词+分词
常用词:come, become, get, feel, look, prove, seem, appear, grow, pass, remain, get 等。
He______worried today.今天她看上去很着急。
(4)系动词+介词短语
常用词:sound, appear, smell, keep, prove, remain等。
The man______.那个人看上去很安逸。
(5)系动词+副词
常用词:keep, prove, continue等。
They______in the struggle.他们在战斗中紧密团结。

