1、英语必修 5 人教新课标 Unit 3 新课堂教案(3) 【精品】课题 Unit 3 In The FuturePeriod 3 Grammar1.Teaching aim(教学目标): 过去分词(短语)可以作状语,修饰谓语动词,进一步说明谓语动词的动作和状态。在意义上相当于状语从句(而且可以跟状语从句相互转换) ,表示时间、条件、原因、伴随状况等。 Important points(教学重点 ): 一、过去分词(短语)作状语的几种情况1作时间状语 2作原因状语 3作条件状语 4作让步状语 5作方式或伴随状语Difficult points(教学难点): This dictionary wil
2、l look nice when printed.Satisfied with what he did, the teacher praised him in class.Given more time, we could do it much better.Beaten by the opposite team, the players were not discouraged and practiced even harder.She accepted the gift, deeply moved.2.Preview before class(预习导学):1a. Given better
3、attention, the trees could grow better.b. Worried about the journey, I was unsettled for the first few days.cDescribed as an enor mous round plate, it spins slowly in space to imitate the pull of the earths gravity.2a. I stared at the moving model of the waste machine, absorbed by its efficiency. I
4、stared at the moving model of the waste machine, and was absorbed by its efficiency.bHit by a lack of fresh air, my head ached. Because I was hit by a lack of fresh air, my head ached.3a. When of fered help, one often says “Thank you” or “Its kind of you.”bThe research is so designed that once begun
5、 nothing can be done to change it.我的发现(1)作状语用的过去分词(短语 )和句子的主语之间有逻辑上的动宾关系,或称为被动关系。(2)第一组句子中的过去分词( 短语)分别在句子中作:a. 条件状语;b.原因状语;c.伴随情况或方式状语。(3)比较第二组句子可知,作状语用的过去分词( 短语)可以转化成相应的状语从句。(4)从第三组句子可知,表示时间、条件、方式、比较或让步的状语,可用 “从属连词过去分词”结构。可用于该结构中的从属连词有:when, once, while, if, unless, as if, as, than, though, althoug
6、h 等。3. Questions and inquiry(问题引领,知识探究) 1.Practice and consolidation (练习内化) 11.句型转换Seen from the top of the hill, the city looks more beautiful to us. When it is seen from the top of the hill, the city looks more beautiful to us.12.一句多译当被要求发言时,你才能讲话。Dont speak until_asked_to.Dont speak until_you_are
7、_asked_to.当被问到为何要做这件事时,班长说这是他的职责。Asked _why_he_did_it,_the monitor said it was his duty.When_(he _was)_asked_why_he_did_it,_the monitor said it was his duty.2.Practice and consolidation (练习内化)Written in a hurry, this article was not so good. in a hurry, this article was not so good.试译: 3.Practice an
8、d consolidation (练习内化)如果种在肥沃的土壤里,这些种子就能长得快。 , these seeds can grow fast. , these seeds can grow fast. 除非受到邀请,否则我不去作演讲。I wont make a speach .I wont make a speach .4.Practice and consolidation (练习内化)Though warned of the storm, the farmers were still working in the fields. , the farmers were still work
9、ing in the fields.Considered as a building material,wood is not very strong. as a building material, wood is not very strong.5.Practice and consolidation (练习内化)The hunter walked slowly in the forest, followed by his wolf dog.The hunter walked slowly in the forest, by his wolf dog.试译: 4.Test for goal
10、(目标检测)1(2012安徽高考)When _ for his views about his teaching job, Philip said he found it very interesting and rewarding.Aasking BaskedChaving asked Dto be asked解析:考查非谓语动词。句意:当被问及他对教学工作的看法时,菲利普说他觉得它很有趣并且非常值得做。分析句子结构可知,ask 与 Philip 之间是逻辑上的动宾关系,故用 ask 的过去分词形式。 答案:B2(2012湖南高考)Time, _correctly, is money in
11、the bank.Ato use BusedCusing Duse解析:考查非谓语动词。句意:被用得合理,时间就是银行里存的钱。由句意可知,use 与句子的主语 time 构成逻辑上的动宾关系,所以选过去分词形式。答案:B3(2011天津高考)_ into English, the sentence was found to have an entirely different word order.ATranslating BTranslatedCTo translate DHaving translated解析:考查非谓语动词作状语。根据句意可知, “translate”和“the sen
12、tence”是动宾关系且动作已经完成,故用动词的过去分词形式,选 B 项。答案:B5. Exercise after class(分层配餐)A 组题: (give) another hour, I can also work out this problem.试译: (lose) in thought, he didnt hear the bell. 试译: (worry) about his sons safety, he didnt sleep well. 试译: B 组题:单项填空1_ by her fans loyalty, Li Yuchun said she would work
13、harder.AMoved BBeing movedCHaving moved DTo be moved解析:句意:由于被粉丝们的忠诚所打动,李宇春说她会更加努力。此处是过去分词短语作原因状语。答案:A2_ those pictures, he couldnt help thinking of those days in Iraq. ASeen BSeeingCTo see DBeing seen解析:句意:看到那些照片,他情不自禁地想起了在伊拉克的那些日子。句子的主语he 与 see 之间是主动的关系,故应选现在分词作时间状语。 答案:B3_, we stand;_, we fall.AUn
14、ited; divided BUniting; divided CUnited; dividing DUniting; dividing解析:句意:团结则存,分裂则亡。两空均为过去分词作条件状语。答案:A4_ a hundred times, the problem still cant be understood.AHaving explained BExplainingCExplained DTo explain解析:句意:即使解释一百遍,这个问题仍旧不能为人们所理解。句子主语与 explain之间是被动关系,因此此处应选过去分词表完成与被动,作让步状语。答案:C5(2013成都高二期中)
15、_ from a novel by Jane Austen,this new film is another blockbuster suitable for family viewing.AAdapting BAdaptedCHaving adapted DTo be adapted解析:句意:这部新影片是根据简奥斯丁的小说改编的,是部适合全家一同收看的又一大片。句子的主语与 adapt 之间有被动关系,用过去分词作状语。答案:BC 组题:句型转换(把下列句子转变成过去分词作状语的结构 )1If I am offered great help, I can get rid of all th
16、e difficulty._ _ _, I can get rid of all the difficulty.答案:Offered; great; help2Because she was frightened, she asked me to go with her._, she asked me to go with her.答案:Frightened3If he is given time, hell make a firstclass tennis player. _ _, hell make a firstclass tennis player. 答案:Given; time4He stood there silently, and he was moved to tears.He stood there silently, _.答案:moved; to; tears5When they were first introduced to the market, these products enjoyed great success._, these products enjoyed great success.答案:When; first; introduced; to; the; market