英语：选修10 unit4 learning efficiently-grammar课件(新人教版)_图文
人教实验版选修 10 Unit 4
The Subjunctive Mood
The Subjunctive Mood
If I were Andy Lou, I would be in Hong Kong now. hypotheses
I wish I were a millionaire. wishes 3. We suggest that everyone should help the AIDS patients. suggestion
When to use the Subjunctive Mood in English? 虚拟语气
The definition of the Subjunctive Mood
假设(hypotheses ) 愿望(wishes)、建议
1.虚拟语气在条件句中 1)表示不太可能出现的情况”, 条件从句一般用 过去时,主句用would do, should do 或 might
done, should have done, might / could have done
? The old men would find it difficult to get a job if they left the farm. ? I should be surprised if it was less than five pounds. ? If I frightened those birds, they might fly off and I would never see them again.
? If I were you, I would accept the office.
? If I were asked to define my mood, I’d say “bored”. ? If he had taken his doctor’s advice, he might not have died so soon. ? If he had realized that, he would have run away while there was still time.
? If she had not married, she could have become special in the filed.
条件从句用 should do,
were to 或一般过去时，主句用 would do, should do, could/might do.
? If it should rain tomorrow, the sports meet would have to be put off.
? I could see the surface of the moon with my own eyes if I were to go to the moon some day. ? What would you do if he failed to come tomorrow?
注意：含有 should 的条件句，主句可以用一般 现在时或一般将来时．例如：
? If there should be another flood, what shall we do?
? Ask her to leave a message if she should come.
3. 在正式英语文体中，if 从句中的第一个动词如
果是should, were 或 had, 可将此动词置于句首，
? Were it all true, it would still not excuse their actions.
? Had the captain been more careful, his ship would not have sunk. ? Should any visitors come, I would say you are not here.
4. if only 和 suppose (supposing), 也可以引导 虚拟从句．
? If only I had more time, I could go there to help them. ? Supposing it were fine tomorrow, would you go climbing the mountain with us?
5. If it were not / had not been for… 也是常见 的虚拟句型，意思是“要不是…” 例如：
? If it had not been for your help, we would not have achieved so much in our work. ? If it were not for the wise decision, We could not be living a happy life.
6. 虚拟语气用于I wish…
动词用were /was)．表示过去时间，动词用过去 完成时和过去完成进行时．表示将来时间，动词 用 would/ could 等+动词原形
? I wish I knew how to operate this computer.
? I wish he weren’t so lazy. ? I do wish everything would be as quiet as before.
? I wish he hadn’t been working overtime yesterday.
注意：这里I wish… 所表达的意思与 if only…差 不多．以上的句子都可以用if only 来代替 I wish 例如：
? If only I knew how to operate this computer.
? If only we hadn’t been working overtime yesterday.
7. It’s (about/high) time +从句，表示“该做而 未做的事”，是一种婉转的建议，从句中的动词 用一般过去时 例如：
? It is high time we began to work.
? We’ve enjoyed the evening, but it’s time we went home. ? It’s about time the boy learned to behave himself.
8. 表示“要求、建议、命令” 等动词demand,
require, suggest, insist, advise, order 等后接宾 语从句时，从句谓语动词一般用虚拟语气，即 should + 动词原形（do/be done), should 也可以
? He insisted that John (should) do the job.
? We suggest that the meeting (should) not be postponed. ? The union demanded that the wages (should) be raised by 20%.
常用的这类动词是：ask (要求）, advise（建议）,
command（命令）, decide（决定）, demand （要求）, insist（坚持）, move（提议）, order （命令）, propose（提出）, require（要求）, request（请求）, suggest（建议）, urge（主张）
? He insisted that I was wrong. 意思是“坚持认为”） ? The expression on her face suggests that she knows the secret. （这儿 suggest 意思是 (这儿 insist
1. If he had not lost his money, he ___ the piano last week.
A would buy
B had bought
D could have bought
2. If we were to be 200 years old, we ___ everything. A will change
C could change
B can change
3 If you __ that film last night, you would not be so sleepy now.
A didn’t see C wouldn’t seen B haven’t seen D hadn’t seen
4 You are late. If you __ a little minutes earlier, you __ him. A came, would meet
B had come, would have met
C came, would have met D were to come, would meet
5 But for the storm, we __ a pleasant journey.
A should have
C would have
B have had
D should have had
6 ___ to do the work, I should do it some other day. A If were I
C Were I
B I were
D Was I
7 Without the computer, the problem __ in such a short time. A couldn’t be solved
B wouldn’t have solved
C couldn’t have been solved
8 Without electricity, human life __ quite different today.
A will be C would be B were to be D is
9. You are very selfish. It’s high time you _______ you are not the most important person in the world,” Edgar said to his boss angrily.
A have realized C realize B realized D should realize
10. I wish I ____ longer this morning, but I had to get up and come to class A could have slept C might have slept B slept D have slept