高中英语语法--虚拟语气课件

与现在 事实相 反的假 设
If+主语+动词的过去式 （动词be用were)
主语+should,would, might,could＋动词 原形
与过去 相反的 假设
If+主语+had +过去分词
主语＋should,
would, might, could ＋have done
与将来 相反的 假设
1、If+主语+动词过去式 2、If+主语+were to+ 动词原形 3、If+主语+should +动词原形
主语＋should, would might, could＋动词
原形
eg:If I had time, I would attend the meeting. If he had hurried ,he could have caught the train. If I were to go abroad ,I would go to America.
More practice:
如果我是你，我就会努力学习． If I were you, I would work harder at my lessons.
如果我知道他的电话号码，我就给他打电话了． If I had known his telephone number, I would have called him. 如果明天下雨的话，我们会取消比赛．
虚拟语气 Subjunctive Mood
Contents
1
总述
2 虚拟语气在条件句中的用法
3 虚拟语气在从句中的用法
虚拟语气
虚拟语气的概念
• 虚拟语气是一种特殊的动词形式，一是用来 表示说话人所说的话不是一个事实，而是一 种假设、猜测、怀疑等(在条件从句中或让步 状语从句中)；一是表示说话人的愿望、要求、 命令、建议等 (在宾语从句、表语从句、同位 语从句)。
C. Was it not
D. Were it not
3.B 4.A
5. If you explained the situation to your solicitor, he _____ able to advise you much better than I can.
A.would be B. will have been C. was D. were 6.If you had taken the medicine yesterday, you
____ so bad now. A. wouldn’t have felt B. don’t feel C. wouldn’t be feeling D. aren’t feeling
5.A 6. C
虚拟条件句中的省略和倒装
• 若符合下面条件，可以省略if：
• ①必须是非真实条件句，真实条件句不可省略if。
C. will be
D. would have been
4. _____ for the fact that she broke her leg, she might have passed the exam. (02, 60）
A. Had it not been B. Hadn’t it been
B. should need
C. would need
D. will need
1.C 2.B
3. If there were no subjunctive mood, English _____ much easier to learn. (09, 52)
A. could have been B. would be
• ②只有当非真实条件句中有were, had, should, would等 词时，才可以省略if。
• ③省略if时，主语与were, had, should 的位置必须相互调 换。
• 例：If I should meet her, I would tell her.
•
=should I meet her, I wouldBiblioteka Baidutell her.
1.C 2.A
3. Had Judy been more careful on the maths exam, she _____ much better results now. (08, 52)
•
If I were in your position, I would do it
better.
•
=Were I in your position ,I would do it better.
•
1. ____,I would take an umbrella with me.
A. Had I been you B. I were you
C. Were I you
D. I had been you
2.____ electronic computers not been used, it would have taken them a long time to solve the complicated problem.
A. Had B. Have C. Has D. Were
一、虚拟语气在条件句中的用法
• 条件句分为两类：
We will succeed if we study hard. 如果我们好好学习， 我们会成功的。
If I were a bird, I would fly in the sky. 我要是只鸟， 我会在空中飞。
一、虚拟语气在条件句中
虚拟条件句
主句
A. weren’t
B. hasn’t been
C. hadn’t been D. wouldn’t be
2. If your car _____ during the first 12 months,take it to an authorized dealer. （ 98, 43）
A. shall need
If it rained\should rain\were to rain, we would
call off the match.
1. All of us would have enjoyed the party much more if there _____ quite such a crowd of people there.（00, 49）