1、Unit 3 Diverse Cultures Section B Discovering Useful Structures教学设计科目:英语 课题:Section B Discovering Useful Structures 课时:1课时教学目标与核心素养:知识目标:了解并掌握省略句的语法结构能力目标:能够运用省略句情感目标:培养学生学习语法的兴趣教学重难点教学重点:指导学生回顾、总结常见的省略现象,体会省略的作用教学难点:教会学生恰当使用省略,提升语言表达的效果。课前准备:多媒体,黑板,粉笔教学过程:一、Pre-class1. Greeting2. Leading-in教师活动:为学生
2、呈现以下小对话,通过提问引导学生体会省略的用法:对话中哪里使用了省略?省略了什么内容?(1)A:Im hungry.B:Are you(hungry)?A:Yeah.(I) Didnt have lunch todayB:(Do you)Want some sandwiches?A:Are there any?B:Yeah.(Ive)Just made some.(2)A:(It)Looks like rain.B:Oh,I hope(it does)not(rain)A:Why(do you hope it doesnt rain)?B:We have a soccer game today
3、,(do you)remember?A:Do we(have a soccer game today)?Where(will it be)?B:(It will be)In the bigger playground!活动目的:让学生结合语境分析句子中省略的词语,体会省略的作用,此为语法感知、发现环节。二、 While-class 学生活动:完成活动2,通过省去句子中不必要的成分,并与原句对比,体会省略如何使句子变得简洁。l You mean you are planning a trip across the Atlantic for a holiday? It sounds like a
4、good idea.l He tried to solve his financial problems, but he couldnt solve the problems.l If it is necessary, Ill finish my report on American poetry as soon as it is possible.l Are you going to dress like that? Wearing a dress might be better than wearing jeans and boots.l Some wild mushrooms are p
5、oisonous and some are not poisonous.l I really like that paper folding book, and my son likes that paper folding book, too.省略后:l You mean you are planning a trip across the Atlantic for a holiday? Sounds like a good idea.l He tried to solve his financial problems, but he couldnt.l If it is necessary
6、, Ill finish my report on American poetry as soon as possible.l Are you going to dress like that? Wearing a dress might be better than jeans and boots.l Some wild mushrooms are poisonous and some are not.l I really like that paper folding book, and so does my son.学生活动:结合上述活动中的例句,让学生分组总结省略的不同情况。教师活动:
7、对学生的总结结果进行补充。省略句一、简单句中的省略1.省略主语(1)Thank you for your help.谢谢你的帮助。(I)Doesnmate.没关系。2.省略主语和谓语或主语和谓语的一部分(You come)This way please. 请这边走。(Will you)Have a smoke? 抽烟吗?3.省略谓语或谓语的一部分(Is)Anybody here?有人在这里吗?Are you thirty?你30岁了吗?Yes,I am(thirty). 是的,我是。4.省略宾语Do you know Mr.Li?你认识李先生吗?I dont know(him)我不认识。二、并
8、列复合句中的省略在由and或but等并列连词连接的并列复合句中,常省略一些重复的词或词组。1.若主语不同,而谓语部分的系动词、助动词或情态动词相同,通常省略后面分句的系动词、助动词或情态动词。Jack must have been playing football and Mary(must have been)doing her homework.杰克肯定一直在踢足球,玛丽肯定一直在做家庭作业。2.若主语与谓语动词相同,通常省路后面分句的主谓成分。His advice made me happy,but (his advice made) Jim angry.他的建议使我高兴,却使吉姆生气。
9、3.若主语不同,但主要动词及后续部分相同,通常省略后面分句的主要动词及后续部分。He has a knowledge of first aid but his friend doesnt(have a knowledge of first aid).他具备急救知识,但他的朋友不具备。三、主从复合句中的省略1.状语从句的省略(1)在 when,while,if,as if,though,although,until,once,whether.or,unless,whenever等引导的状语从句中,当从句主语与主句主语相同或从句的主语为it,且从句谓语中含有be动词时,从句中的主语和be动词常被省
10、略。例:Wood gives off much smoke while(it is)burning.木头燃烧时产生很多烟。(2)在than和as引导的比较状语从句中常省略than和a后面的某些成分。例:They didnt use more water than( it was) necessary.他们使用的水没有超出需要量。2.定语从句的省略(1)在限制性定语从句中,作宾语的关系代词 whom,which,that可省略(但whom,which紧跟在介词后时不能省略)。The exact year(which/that )Angela and her family spent togeth
11、er in China was 2008.安杰拉和她的家人一起在中国度过的确切年份是2008年。(2)way后跟定语从句,关系词在从句中作状语时that/in which可以省略。The way(in which/that)he speaks to us is really annoying.他和我们讲话的方式真是讨厌3.宾语从句的省略(1)及物动词后接宾语从句时,连接词that一般可以省略;但如果及物动词接了两个或两个以上的tha引导的宾语从句,那么只有第一个that可以省略。I believe(that)beauty comes from the heart. 我相信美是发自内心的。四、虚
12、拟语气中的省略1.虚拟条件状语从句中含有had、should、were时常省略if,而将were、had、should提前构成部分倒装。Had you come here yesterday,you would have met her.如果你昨天来这儿的话,你就会见到她了。2.在一坚持(insist),二命令(order、command),三建议(suggest、propose、advise),四要求(demand、require,request、ask)等后的宾语从句中,含这些词或它们的派生词的主语从句、同位语从句、表语从句中,以及It is strange/natural/necessa
13、ry/important/that.中常省略 should。五、动词不定式的省略1.当不定式用在形容词afraid、pleased,glad,happy,ready、willing、delighted等词后面时,to后与上文重复的内容常省略。You cant force him to answer the question if hes not ready to(answer the question).如果他没有准备好回答这个问题,你不能强追他。2.某些使役动词,如:make、let、have和感官动词,如:see,watch, notice、observe、hear等后面作宾补的不定式常省
14、略to,但若用于被动语态,则to不省略。We often hear her sing English songs in the classroom.我们经常听到她在教室里唱英文歌。3.两个并列使用的不定式可以省略后面的不定式符号to。但若两个不定式之间有对比关系,则不能省略to。Her job is to look after the children and(to)teach them English.她的工作是照顾这些孩子并教他们英语。4.当不定式在某些动词后作宾语或宾补时,常可省略to后面的与上文重复的部分。常见的这类动词有agree,afford、expect、forget、hope、
15、intend、prefer、pretend、refuse、want、wish、like等。I asked him to see the film,but he didnt want to(see the film).我叫他去看电影,但他不想去5.连词but、except连接两个不定式,前有实义动词do的某种形式时,后面的不定式不带to。I have nothing to do but wait.除了等我无能为力。6.当主语部分含有实义动词do的某种形式时,作表语的不定式常省略to。All you need to do is(to)press the button.你需要做的就是按那个按钮。六.
16、介词的省略1.在一些固定搭配中介词常被省略,如 spend time(in)doing sth;have difficulty/trouble(in)doing sth ;prevent/stop sb.(from) doing sth. She spends half an hour(in)reading every day.她每天花半个小时读书。2.在口语中,星期几之前的on可以省略。We will visit you(on)Tuesday.我们星期二去看你。3.在肯定句中,“for+一段时间或距离”中的for有时被省略。It has rained(for)a whole day.雨已经下了一整天了。活动目的: 让学生在完整表达和省略表达的转换中对比使用和不使用省略的区别,巩固省略的用法,体会其表意功能。三、After-class学生活动:仿照活动3的对话范例,两人一组创编对话。假设学生A来自中国少数民族地区,学生B是她/他的外国朋友,想到中国少数民族地区旅游。学生A为学生B介绍自己家乡的文化特色。活动目的:在完整的对话语境中体会省略句的用法。四、Summary 省略句一、简单句中的省略二、并列复合句中的省略三、主从复合句中的省略四、虚拟语气中的省略五、动词不定式的省略六.介词的省略作业布置:掌握本课语法。