1、必修二unit1 Discovering useful Structures导学案课前导读Content of Text（课时内容）Describe people or things in greater detailThis lesson has designed three activities: the first activity is to find the problem,find relative pronouns and relative adverbs in attributive clauses, tell their functions and make a summar
2、y table or mind map The second activity is to combine two sentences with attributive clauses to analyze the omission of relative pronouns.The third activity is to use attributive clauses to answer questions and define things.Objective of class time1. Learn the use of attributive clauses in the conte
3、xt of the Aswan Dam lesson2.Improve the practical use of grammarKey Points and DifficultiesKey points:Difficulties in understanding relative pronouns and relative adverbs in attributive clausesUse attributive clauses to rewrite simple sentences and define thingsPreparation for TeachingPreparation fo
4、r Teachers:The relative practice of attributive clauses Student Preparation:1. Prepare the usage of attributive clauses2. 关系代词的基本用法关系代词指代的对象充当何种句子成分who指人在从句中作主语或宾语that指物或人在从句中作主语或宾语which只能指物在从句中作主语或宾语whose既可以指人,也可以指物表示所属关系,只能在从句中作定语whom指人只能在从句中作宾语Process of teachingStep I learn to understandActivity
5、 1. Identifying attributive clause（识别定语从句）1. Look at the sentences below and underline the relative pronouns and adverbs.After listening to the scientists who had studied the problem, and citizens who lived near the dam, the government turned to the United Nations for help.Temples and other cultural
6、 sites were taken down piece by piece,and then moved and put back together again in a place where they were safe from the water.2. Find more sentences containing relative clauses from the text on page 4,and discuss briefly with a partner the major functions of them.Then make a short summary in a tab
7、le or mind map.E.g.:There comes a time when.(Line 2).destroy cultural relics that were an important part.(Line 9).the scientists who.(Line 9)目的：通过以上例句让学生寻找定语从句的先行词、关系代词和关系副词。然后进行讨论，在语境中总结出定语从句的用法。Activity 2.Practice Rewrite the sentences using relative clauses. EXAMPLE:I have downloaded that free ap
8、p,but it doesnt work well.The free app(which/that)have downloaded doesnt work well.(1)He showed me a photo in his room.It was a photo of a famous cultural relic in Egypt.The photo which he showed me in his room was a photo of a famous cultural relic in Egypt.(2)The project team helped protect the na
9、tional parks in the United Republic of Tanzania It was formed by members from fifteen countries.The project team which was formed by members from fifteen countries helped protect the national parks in the United Republic of Tanzania.(3)This temple was first built during the Qin Dynasty.The time when
10、 this temple was first built was during the Qin Dynasty.(4)We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a difficult structure.The professional archaeologist whom we met at the entrance explained to us the process of buildin
11、g such a difficult structure.(5)The documents about the cultural relics from overseas are under the desk.I found them yesterday.The place where I found the documents about the cultural relics from overseas are under the desk.(6)Scientists worked together day and night to rescue the temple because th
12、ey wanted to preserve it for the nextgeneration.The reason why scientists worked together day and night to rescue the temple was that they wanted to preserve it for the next generation.Activity 3 .Discussion Discuss with a partner about the use of attributive clause. (1) Which relative pronouns can
13、be deleted in your sentences?(2)When can you go without the relative pronouns like this?Step Application and Practice Activity 4: DefinitionWork in pairs and play a game of definitions.One asks the questions below and the other answers them with relative clauses.Work out two more questions of your o
14、wn.EXAMPLE:A:What is an exit?B: An exit is the door where/through which you can leave a building.(1)Whats a library?(from/in which;where)A library is a place where/from which you can borrow books.(2)Whats a good friend?(to whom;who)A good friend is the person who will stand by you when you are in tr
15、ouble.(3)Whats a vacation?(during which;when)A vacation is a time when/during which you can relax yourself.(4)Whats a football coach? (from whom;who)A football coach is someone who trains football players.Step III . Migration and innovation Activity 5. Guess1. Ask students to describe a person using
16、 attributive clause.2. Ask students to speak out their sentences and ask others to guess who theyre describing.E.g.:(1)He is a man who first won the Nobel Prize as a Chinese.(2)She is a woman who stayed in the habitats of chimps to study their behaviours.Step . Ability Improvement（能力提升）Activity 6. I
17、mprove your ability将下列两个分句合并成一个带有定语从句的复合句1、The young man wants to buy a car. The cars color is black._2、The girl is our monitor. She is playing the piano over there._3、We visited the singer. We all like her performances very much._4、Do you see the bridge? It was built last year._5、This is the camera. I bought it in Japan._6、The girl is well dressed. She is a teacher in our school._