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1、Book 6 Unit 2 Poems Period 4 Learning about language (I)编者：王海虹 修编：李慧学习目标 1.熟练掌握下列词汇和短语的用法。 2.能用所学的语言点造句并用于写作中。3. 掌握虚拟语气的用法，能独立的较好地完成相关练习。自主合作探究11. Match the beginning of each sentence with the appropriate ending.进行适当的连线搭配。【品味经典】1) The movie is appropriate for children aged 12 and over. 这部电影适合12岁以上的孩
2、子观看。 2) They adopted appropriate measures. 他们采取了恰当的措施。3) It is appropriate that you (should) be polite. 你讲礼貌是合适的。【归纳拓展】 1) appropriate adj.适当的；正当的；合适的 appropriately adv.适当地2) be appropriate for对合适 It is (not) appropriate for sb. to do sth.某人(不)适合做某事【语境活用】完成句子正式聚会上穿牛仔裤不合适。Jeans are _ .这个时候提钱的问题正合适。It
3、 is an _ .句型转换It is suitable for him to get the post. It is _ that he _ the post.2If there had not been an exchange programme，he would not have found a sponsor to help him study abroad.【品味经典】1) Well have an opportunity to exchange views tomorrow. 明天我们将有机会交换看法。2) You can exchange your currency for do
4、llars in the hotel. 你可以在旅馆里将你的现金换成美元。【归纳拓展】1) exchange n交换；交流；互换 vt.& vi.调换；交换2) in exchange for作为对的交换 have/make an exchange of.交换3) exchange A for B把A兑换成B exchange sth. with sb.与某人交流/交换某物辨析： exchange/change 1) exchange强调互换。意为“交换，调换” Lets exchange our seats. 我们换换座位吧。2).change着重强调与以前不同，意为“改变，变化” You
5、have changed a lot since I last saw you.自从我上次见到你以来，你变了很多。【语境活用】完成句子约翰与玛丽交换礼物。John _ .他把那件黑夹克换成了蓝色的。He exchanged _ .自主合作探究2虚拟语气()一、虚拟条件句的几种特殊情况1错综时间条件句当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为“错综时间条件句”，动词的形式要根据它所表示的时间作出相应的调整。1) If you had listened to the doctor，you would be all right now.如果你当初听医生的话，现在你已经好了。
6、(从句与过去事实相反，主句与现在事实相反)2) If I were you，I wouldnt have missed the movie last night.如果我是你，我就不会错过昨晚那场电影。(从句与现在事实相反，主句与过去事实相反)注意：错综时间虚拟语气还有一种情况就是事实和虚拟假设的混合，这样的句子不仅仅是时间的不同，更重要的是事实和假设的混合。3) I would have gone to Beijing with her last week，but I was fully occupied.上周我本来会和她去北京的，但我太忙了。(前一分句为虚拟语气，后一分句是陈述语气)2含蓄条
7、件句含蓄条件句是指句中没有明显的虚拟条件句，而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常来表示含蓄虚拟条件的手段有：(1)介词或介词短语，如but for，but that，without，in case of，under more favorable condition等。Without air，no one could live.(If there were no air，no one could live.)没有空气，人就不能活。 (2)通过上下文及内在含义，句中往往有but，otherwise，or，or else等词。3) I di
8、dnt know that he was a cheat，or else I wouldnt have believed him.(or elseif I had known he was a cheat)我不知道他是个骗子，不然我也不会相信他了。4) Im really very busy，otherwise I would certainly go there with you.(otherwiseif I were not so busy) 我真的是太忙了，不然我就会同你一道去了。3虚拟条件句中的倒装当虚拟条件句的谓语中有were，had或should时，可以将从属连词if省略，同时将w
9、ere，had或should放到主语之前，构成倒装。1) Were I a bird，I could fly freely. If I were a bird，I could fly freely.假如我是一只小鸟，我就能自由翱翔。2) Should it rain next week，we would put the sports meeting off.If it should rain next week，we would put the sports meeting off.要是下周下雨的话，我们就推迟运动会。达标练习 完成下列句子1. He telephoned to inform
10、me of your birthday, or I _(know) nothing about it.2. A few hours earlier, you _(be) able to meet the famous writer.3. We _(be) back in the hotel now if you didnt lose the map.4. If he _(catch) the morning train, he would not have been late for the meeting.5. If we _(book) a table earlier, we wouldnt be standing here in a queue.
