Page 181 - 江西普通高校专升本英语(最终版）

第一部分 语法篇

例如： If it is sunny tomorrow, I will go shopping.

假如明天晴天，我将会去购物。

【真题演练1】 If I __________ the answer, I would have let you know about it. （2001年专升本）

A. knew B. had known C. would know D. would have known
【答案】B
【解析】句意：如果我早知道答案，我就会让你知道。本题考查的是与过去事实相反的if虚拟条
件句。由句意可知，该句是对过去事实的虚拟，从句谓语应使用had+过去分词，故选B。

【真题演练2】 If I had had a few hours to spare when I am in Manchester, I________the Joneses then.
（2008年专升本）
A. would have visited B. would visit C. had visited D. would be visiting

【答案】A
【解析】句意：当我在曼彻斯特时如果我能空出来几小时，我就会去拜访强尼森。本题考查的是
与过去事实相反的if虚拟语气条件句。由句意可知，该句是对过去事实的虚拟，主句谓语应使用
would have +过去分词，故选A。

【模拟演练1】 If I _________ twenty years old, I ___________ the course of computer.
A. was, would take B. were, would take C. were, will take D. was, will take
【答案】B

【解析】句意：如果我是20岁，我将会参加这个计算机课程。本题考查的是与现在事实相反的
if虚拟语气。根据选项得知，从句谓语应使用过去时，且be动词只能用were。主句的谓语应使用
should/would/might/could+do，故选B。

【模拟演练2】 If penicillin _________ available, many people _________ from sickness or even small
wounds in World WarⅡ.
A. was not; would die B. were not; would have died
C. had not been; would died D. had not been; would have died

【答案】D
【解析】句意：如果没有青霉素，很多人在二战中就会死于疾病或小的伤口。本题考查的是与过
去事实相反的条件句的if虚拟语气。根据题干中的时间二战得知，表示和过去的事实相反，因此

从句谓语应使用had+过去分词，主句谓语应使用would have done。故选D。

2.If虚拟条件句的省略和倒装
如果条件从句的谓语动词包含有were或助动词、情态动词had, should, could有时可将连词if省去，

并且条件从句的主语置于were, had, should, could之后。这种用法主要用于书面语。

（1）与现在事实相反：

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