虚拟语气重点和难点解析(一)

1、虚拟语气重点和难点解析（一） 一、与现在事实相反的虚拟语气 If he was here, he us how to do it. A. told B. would tell C. had told D. have told 此题应选B。该题考察与现在事实相反的虚拟语气：此时条件从句的谓语动词用过 去式, 主句的谓语则要用 would （should, could, might+ 动词原形： If there were no subjective mood, English would be much easier. 要是没有 虚拟语气 , 英语就会容易得多了。 If I knew his t

2、elephone number, I would ring him up.我要是知道他的电话号 码, 我就给他打电话了。 在虚拟条件句,动词be的过去式通常用were（不管是单数还是复数，但在现代英语, 单数情况也可以用 was ： We could ask him if he were was here. 他要是在 这里 , 我们就可以问问他 了。 但是在某些表达 （If I were you, as it were等中 , be 只用 were 这一形式： If I were you, I should go and see the doctor at once.假若我是你 , 我会马上

3、去看医生。 The sky is covered, as it were, with a black curtain. 天空好像是被黑幕遮住了 似的。 有时在虚拟条件句也可能用 could, might 等, 那多半是因为语义的需要： If he could help you, he would help you. 要是他能够帮助你的话 , 他会帮助你 的。 had t have got 、与过去事实相反的虚拟语气 If he , he that food. Luckily he was sent to the hospital immediately. A. was warmed, woul

4、d not take B. had been warmed, would not have taken C. would be warmed, had not taken D. would have been warmed, had not taken 此题应选B。该题考察与过去事实相反的虚拟语气：此时条件从句的谓语用 过去分词，主句的谓语用 would(should, could, might+have+ 过去分词 1. If she had worked harder, she . A. would succeed B. had succeeded C. should succeed D.

5、 would have succeeded 2. If my lawyer here last Saturday, he me from going. A. had been; would have prevented B. had been; would prevent C. were; would D. were; would have prevented 3. I didn t see your sister at the meeting. If she , she would have met my brother. A. has come B. did come C. came D.

6、 had come 4. You didn t let me drive. If we in turn, you so tired. A. drove; didn t get B. drove; wouldn t get C. were driving; wouldn t get D. had driven; wouldn 答案： 1. D 2. A 3. D 4. D 三、与将来事实相反的虚拟语气 If we 200 years old, we everything. A. were to be, could change B. had been, changed C. were, woul

7、d have changed D. should be, changed 此题应选A。该题考察与将来事实相反的虚拟语气，此时的主句谓语通常用 would（should, could, might 动词原形 , 而从句谓语可能有以下几种情况： 1. 从句谓语用过去式： If your father knew this, he would be angry. 要是你父亲知道了 , 他会生气的。 If it rained tomorrow, the sports meet would be put off. 要是明天下雨 , 运动 会就推迟。 2. 从句谓语用 should+ 动词原形 （通常指可能性极小的事情 , 一般译为“万一”： If it should rain, the crops would be saved. 要是有雨 , 这庄稼还有救。 此类句型的主句谓语有时可以用祈使句甚至将来时态： If it should rain tomorrow, don t expect me. , 就万不一要明等天我下了雨。 If I should be free tomorrow, I will come.万一我明天有空 , 我就来。 3. 从句谓语用 were to+ 动词原形