江苏省海头高级中学英语译林牛津版选修6Unit4Helping people around the world同步教案（语法）

江苏省海头高级中学英语译林牛津版选修6Unit4同步教案（语法）
Teaching aims:
(1) Master the usage of unreal conditionals.
(2) Practice about the 3 kinds of unreal conditionals.
Important points & difficult points: the usage of wish, if-clause and the unreal conditionals in the noun clauses.
Procedure:
Step 1 revision
Unreal conditions
与事实相反 条件从句的谓语形式 主句的谓语形式
表示现在情况 过去式(did)(be常用 were) Would / could / might / should +动词原形(do)
1.如果现在不下雨的话，我们就出去野餐了。If it________ not raining, we _________ for a picnic. 2.如果他来这，他就能够帮助你了。If he _____ here, he ____________ able to help you. 3.如果我是你的话，我就会带走他们。If I _______ you, I_______________ them away.
与事实相反 条件从句的谓语形式 主句的谓语形式
表示过去情况 过去完成式(had +done Would / could / might / should + have done
1.要是当初她被邀请的话，她就会参加这次聚会了。She ________________ to the party if she ______________. 2.今天早上，她要是不叫我的话，我就会睡过头了。If she ___________ me, I __________________ this morning. 3.如果你上个学期用功些，你就会在考试中过关了。If you ________ harder last term, you _____________ exam.
与事实相反 条件从句的谓语形式 主句的谓语形式
表示将来情况 ①过去式 (did)②should + do ③were to do Would / could / might / should +动词原形(do)
1.如果你成功，一切就好了。If you ___________, everything would be all right.If you ________________, everything would be all right.If you ________________, everything would be all right.2.明年我要是二十岁，我就会学计算机课程。If I _______________ twenty years old next year, I ________________ the course of computer science.
Step 2
Complete the following
1.如果你昨天问他，你现在就知道怎么办。
If you ________ him yesterday, you _________ what to do now.
2.如果昨晚下雨，今天会很冷。
If it _________ last night, it ______________ very cold today.
3.如果我是你，我就不会错过昨天晚上的那部电影。
If I ______ you，I ___________________ the film last night．
In implied conditionals, we use otherwise, or, and phrases beginning with with, without and but for in place of if-clauses.
1.我很忙，否则我可帮助你。
I am busy now, otherwise I _______________ you the favor
2.要不是你的劝告，我是不会做这份工作的。
But for your advice，I ____________ able to do this work．
3. 要不是你，我不会认识他
Without you, I _______________________ him.
We can put should, were, and had at the beginning of an unreal conditional sentence. In this case , if is not needed any more.
Subjunctive Mood in Noun Clause
后的宾语从句中谓语动词用should +动词原形。should 可省略
1.I suggested that it ___________ quicker to travel by train. (be)
2.He insisted that we ________________ him the news. (tell)
3.He ordered that the students _____________ the clothes every week by themselves. (wash)
4.She recommended that we _______________ giving offense. (avoid)
5.He insisted that all of us ___________ there on time by any means. (be)
6.The teacher suggested that we _____________ the blackboard after class. (clean)
7. I demand that John _______________ there at once. (go)
8. We are all for your proposal that the discussion _______________ put off．(be)
Unreal situations introduced by even if, as if, as though, if only, what if
1. He pretends as if he ____________ the thing at all, but in fact he knows it very well.
他假装好象完全不懂那事，其实他对那事非常了解。
2. The old man looked at the picture, he felt as though he ___________ back to time 20 years ago.
那老人看着照片，他觉得仿佛回到20年前的时光。
3. They talked and talked as if they _______________ again.
他们谈了又谈，仿佛他们不会再相见的样子。
4.He orders me about as if I __________ his wife．
他对我指东指西的，就好像我是他的妻子似的。
5.He talks about Rome as though he _________ there himself．
他谈论起罗马来就好像他去过那里似的。
6.He behaves as if he __________ the place．
他的所作所为好像他是这个地方的主人。