1、Unit 4 earthquakes教案Grammar定语从句（1）教学目的1、复习定语从句中关系代词的用法。 2、在句中如何选择正确的关系代词。教学内容上节内容回顾我回顾，你补充1._2._课堂导入本节课重难点点 1、定语从句中关系代词的用法。 2、 that与 which的区别新课讲解分析下面的句子成分I have an useful dictionary.I have a dictionary that/which was given by my sister.此句中a dictionary 为_ that/which was given by my sister为_修饰限定_ that
2、/which 为_一. 定语从句的概念：在复合句中，修饰某一名词或代词的从句叫做定语从句。定语从句分为限定性和非限定性定语从句。He has a sister who is a musician. He has a sister, who is a musician.二关系代词 1作用：_ _ _ 2用法：观察并翻译下面几个句子，然后总结引导词的用法。The student who/that answered the question was John.Here is the man whom/that/ you want to see.She is no longer the girl th
3、at/ she used to be before.The book which /that was on the desk was bought by my father.The book which/that/I bought yesterday is very interesting.A child whose parents are dead is called an orphan.Id like a room whose window faces south.= of which the window = the window of whichToms father, who arr
4、ived just now, is a famous scientist,在从句中充当主语在从句中充当宾语/表语在从句中充当定语人物/事非限制性定语从句不用_引导， 引导词也不能省略。 做题步骤：_ _ _She is the girl _ lives next door.She is the girl _ I teach.This is the house _window broke last week.This is the book _she gave me yesterday.That is his father, _ works in Shanghai.Tom has made ra
5、pid progress, which makes us very happy.He studied hard at school when he was young, which leads to his success in his later life.which 在非限制性定从中，还可指代_。三that与which的区别 用that的情况1._ _ Do you have anything that you want to say for yourself?2._ This is the very bus that Im waiting for. She is the only per
6、son that understands me. This is the same pen that I lost.3._ This is the most interesting film that Ive ever seen. This train is the last that will go to Suzhou.4._ Do you know the things and persons that they are talking about?5._ _ Who is the boy that won the gold medal?6. 当先行词是way（方法）时，关系代词常用tha
7、t代替in which,也常可省略。如：I dont like the way (that) she spoke to me.不用that 1._ He has two sons, who work in the same company.2._ This is a house in which Luxun once lived. The man to whom you spoke was a scientist. 四介词如何选_ _ _ In the dark street, there wasnt a single person_ she could turn for help. The
8、poor man has no house _ he can live. Do you like the book _ she spent $10? Do you like the book _ she paid $10? Do you like the book _ she learned a lot? Do you like the book _ she often talks? I have a pair of glasses, _ _ I cant see anything.China has a lot of rivers, the second longest _is the Ye
9、llow River. of 表_ He paid the boy $10 for washing ten windows, most _hadnt been cleaned for at least a year. I visited the museum, the construction _ _had taken more than three years. 下面句子中，介词能提前吗？Is this the watch that you are looking for? The old man whom I am looking after is better. 五As 1)前有such
10、, the same时，可用as.He is such a clever boy as everyone likes. _从句 He is such a clever boy that everyone likes him._从句 He is not the same man as he was. This is the same pen that I lost. 2)as 与which的区别 意义不同 在非限制性定从中as译为“正如”，。Which常译作“这一点，这件事”。As is known, the moon travels round the earth. = It is known
11、 that= What is known is thatTom has made great progress, which makes his parents very happy.位置不同as可放主句前, 主句中，主句后，指代前面或后面整句话; which只能放主句后，指代前面整句话的内容。They failed in the exam，as/which is natural.As is often the case, little boys tend to be very active and out of control.（.这是常见的情况）用法不同当非限制性定语从句是否定句或表示否定
12、时，只能用whichHe came here very late, which was unexpected.As在句中作主语时，常接动词的被动语态。She has been absent again, as is expected.(正如预料的那样)智慧和勇气 双语故事 我们的问题A little mouse living on a farm was looking through a crack in the wall one day and saw thefarmer and his wife opening a package.一天，一只住在农场的小老鼠透过墙上的洞看到农场主和他的妻子
13、打开了一个包裹。The mouse was intrigued by what food the package may contain. He was aghast to discoverthat it was a mousetrap. The mouse ran to the farmyard warning everyone： “There is amousetrap in the house， there is a mousetrap in the house.”小老鼠很好奇里面装的是什么好吃的食物。但是令它震惊的是，里面居然是一个老鼠夹。于是它跑到农场的院子里向每一个动物警告说：“屋
14、里有一个老鼠夹!屋里有一个老鼠夹!”The chick raised his head and said， “Mr. Mouse， I can tell you this trap is a grave concern toyou， but it has no consequence to me and I cannot be bothered with it.”一只小鸡抬起头说：“老鼠先生，我敢说老鼠夹是专为你设置的，不会给我带来任何后果，我用不着担心。”The mouse turned to the pig， “I am so sorry Mr. Mouse， but the trap i
15、s no concern of mineeither!” the pig said老鼠转向猪。“我也很抱歉，老鼠先生，老鼠夹和我也没有任何关系。”小猪说道。The mouse then turned to the bull， “It sounds like you have a problem， Mr. Mouse， but notone that concerns me.” the bull said.老鼠又去跟牛讲。老牛对它说：“听起来你好像遇到了麻烦，老鼠先生，但是这也不关我的事。”The mouse returned to the house， head down and deject
16、ed that no one would help him or hasconcerned about his dilemma.老鼠耷拉着脑袋回到屋子里，他感到很沮丧，因为没有谁愿意帮助它，没有谁为它的困境担心。He knew he had to face the trap on his own. That night the sound of a trap catching its preywas heard throughout the house. The farmers wife rushed to see what was caught. In thedarkness she cou
17、ld not see that it was a venomous snake whose tail the trap had caught.它只有独自面对这个老鼠夹了。那天晚上大家都听到了夹子夹住东西的声音。农夫的妻子急忙跑过去看是什么被抓住了。黑暗中她看不清，其实是一条毒蛇的尾巴被夹住了。The snake bit the farmers wife. The wife caught a bad fever and the farmer knew the best wayto treat a fever was with chicken soup. The farmer took his h
18、atchet to the farmyard to get thesoups main ingredient.农夫的妻子被毒蛇咬了一口，发起了高热。农夫知道最好的退热办法是喝鸡汤，于是他拿着菜刀走进院子去取做汤的原料。The wife got sicker and friends and neighbors came by to take turns sitting with her round theclock. The farmer knew he had to feed them， so he butchered the pig.农夫的妻子病得更重了，朋友和邻居们轮流来看她。农夫必须招待
19、他们，所以就把猪杀了。The farmers wife did not get better， in fact she died and so many friends and family came toher funeral that the farmer had to slaughter the bull to feed all of them.农夫的妻子还是没有好转，最后还是死了，很多朋友和家人来参加她的葬礼，农夫只有杀牛来招待他们。So the next time we hear that one of our teammates is facing a problem and think it does notconcern or effect us， let us remember that when any one of us is in trouble， we are all at risk.所以，下一次当我们听到同伴当中的一员遇到问题时，不要想这不关自己的事，不会影响自己。记住，如果我们中任何一个人遇到麻烦，我们都将处于危险之中。Life is a celebration. Be happy and make others happy.生活就是联欢，高兴一点，让其他人也高兴起来!
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