主语状态特征的连系动词：look, feel, s

mell, taste, sound, prove, appear等。例

如：Your idea sounds reasonable. ④在n

eed, require, want(需要) ,be worth 后

接动名词的主动式表示被动意义。例如：

The shoes require washing.

六、虚拟语气中的被动语态

20. If Newton lived today, he would b

e surprised by what ________ in scien

ce and technology. [2007 天津卷]

A.had discovered

B. had been discovered

C. has discovered

D. has been discovered

解析：答案D。句意：今天如果牛顿还

活着，现今科技的重大发现一定会让他

很惊讶。由于该句是对现在的虚拟，wh