第二部分、虚拟语气常见错误设置及答题思路
一、常见错误
1.规范搭配的主从句动词形式有一个有错误。
2.主句和从句的动词形式与各自发生的时间不相对应。
3.在省略if采用倒装表示虚拟的结构中,主句谓语动词没有用虚拟形式,或主句动词是虚拟形式,但从句倒装有误。
4.在用介词短语、并列分句或分词等其他方式表示虚拟条件的句子中,谓语动词没有采用虚拟形式。
5.一些表达命令、建议、愿望意义的词后接宾语从句、表语从句、主语从句或同位语从句时,从句中动词没有采用(should )动词原形。
例句：
If the police would have (A) arrived (B) earlier, he would have (C) seen (D) the accident.
(答案：A had,与过去事实相反,从句用had done)
Had paul received (A) six more (B) votes in the last election, he would have been (C) our chairman (D) now.
(答案：C would be,时间状语now表示主句与现在事实相反)
The demand for (A) electricity can (B) not readily be met were it not (C) for another source of (D) energy-nuclear power.
(答案：B could,表示非真实的假设)
Victor obviously (A) doesn’t know what’s happened (B)otherwise he didn’t make (C) such a (D) stupid remark.
(答案：C wouldn’t have made, otherwise连接虚拟分句)
Without (A) the friction between their (B) feet and the ground, people will (C) in no way (D) be able to walk.
(答案：C would,介词without引导虚拟条件)
So great (A) was (B) the influence of Thomas paine on (C) his own time that John Adams suggested that the era was called (D) "The Age of Paine".
(答案：D be called, suggest后接宾语从句,其谓语应用动词原形)
Emphasis is laid on (A) the necessity that all the objectives to be attained (B) take into (C) account before starting (D) a new project.
(答案：C be taken into, necessity后接同位语从句,其谓语应用动词原形)
It (A) is essential that (B) all these figures are to be (C) checked twice (D) . (答案：C be,形容词essential要求其主语从句的谓语用动词原形)。