（2019版）新人教版高中英语必修第二册Unit 1 Discovering Useful Structuresppt课件.pptx

1、Learning goaLsKnowledge objectives:Enable students to acquire the basic usage of some words and phrases.Skill objectives: Enable students have a good understanding of grammar rules.Emotional objectives: Develop students sense of cooperative learning and individual capability.Thinking quality objecti

2、ves: Inspire the students spirit of protecting cultural heritage.revision1. 什么是定语？a beautiful （前置定语）girl 一个美丽的女孩a girl in white（后置定语） 一个穿白色衣服的女孩a girl who is singing （定语）一个正在唱歌的女孩定语是句子成分之一，可以由单词、短语或从句担当，对名（代）词修饰和限制。名（代）词称为中心词。形容词作定语一般前置，短语和从句作定语要后置，翻译成“的”。另外名词、数词、非谓语动词（短语）、介词短语也可以担当定语。2. 什么是定语从句？在复合

3、句中，修饰一个名词或代词的从句叫做定语从句。I know the girl. The girl is in red. (两个简单句)I know the girl who is in red.（定语从句）被修饰的词是 the girl 。这个词就称为 先行词 。其中连接两个句子的是 that ，称为 关系词 。关系词在从句中指代先行词，并在从句中充当一定的成分，revision句子结构：主句（先行词）+ + （关系词）定语从句主句定语从句定语从句的结构先行词关系词I like music that is light. 代替先行词 连接主从句 充当从句的成分revision更详细地描述人和物在听

4、取了研究这个问题的科学家和住在大坝附近的居民的意见后，政府于1959年向联合国寻求帮助。寺庙和其他文化遗址被一块一块地拆下来，然后搬到一个安全的不会遭受水患的地方重新组装起来。1(教材P4)There comes a time _ the old must give way to the new, and it is not possible to preserve everything from our past as we move towards the future2(教材P4)After listening to the scientists _ had studied the pr

5、oblem, and citizens _ lived near the dam, the government turned to the United Nations for help in 19593(教材P4)Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place _they were safe from the waterwhenwhowhowhereThis is the computer (that/

6、which) he bought for his son yesterday这是他昨天为儿子买的电脑。The woman who/that survived the earthquake is Amys English teacher在地震中幸存的那个女人是埃米的英语老师。I live next door to a couple whose children often make a lot of noise我隔壁住着一对夫妇，他们的孩子经常吵闹。1限制性定语从句限制性定语从句是先行词在意义上不可缺少的定语，用于修饰和限定先行词先行词。如果去掉，主句的意思就不完整。这种从句和主句的关系十分密切

7、，两者之间不用逗号分开；关系代词在从句中作宾语时可以省略。引导限制性定语从句的关系代词关系代词有who, whom, whose, that, which, as； 关系副词关系副词有where, when, why。that/which he showed me in his room was a photo of a famous cultural relic in Egypt. team that/ who helped protect the national parks in the United Republic of Tanzania was formed by members

8、from fifteen countries. when this temple was first built is Qin Dynasty.that/ who/ whom we met at the entrance to the Great Pyramid explained to us the process of building such a difficult structure.where I found the documents about the cultural relics from overseas yesterday are under the desk.why

9、scientists worked together day and night to rescue the temple is that they wanted to preserve it for the next generation.B: A library is the place from which you can borrow books.B: A library is the place in which you study.B: A library is the place where you read books.B: A good friend is the perso

10、n to whom you can turn for help.B: A good friend is the person who always takes your side.B: A good friend is the person who you always remember.B: A vacation is the days during which no one has to go to work or school.B: A vacation is one of the periods of time when a university is closed.B: A vaca

11、tion is the days during which you enjoy freedom.B: A football coach is someone who trains a person or team in a sport.B: A football coach is someone from whom we can learn a lot physical skills.B: A football coach is someone who gives private lessons to someone in a particular subject.I用适当的关系代词或者关系副

12、词填空。1. John invited about 40 people to his wedding, most of _ are family members.【答案】whom;考查定语从句。该句为非限制性定语从句，用whom来代替people并连接主从句。2. Nowadays people are more concerned about the environment _ they live.【答案】where;考查定语从句的用法。此处the environment为先行词，where代替它作后面定语从句的状语。句意：如今人们更关心他们居住的环境。I用适当的关系代词或者关系副词填空。3

13、. Finally he reached a lonely island _ was completely cut off from the outside world.【答案】which/that;考查定语从句。先行词是a lonely island，在定语从句中用作主语。句意：最终他到达了一个孤岛上，这个孤岛与外界完全隔绝。I用适当的关系代词或者关系副词填空。1. A: Self-driving is an area.B: China and the rest of the world are on the same starting line.【答案】Self-driving is an

14、 area where China and the rest of the world are on the same starting line.【解析】句中先行词为area，在从句中作地点状语，故用关系副词where，相当于in which。故用where连接。句意：自动驾驶是一个中国和世界其它国家都在同一起跑线的领域。II：运用定语从句把两个简单句子连接为复合句。2. A: We will put off the picnic in the park until next week, B: The weather may be better.【答案】We will put off the

15、 picnic in the park until next week, when the weather may be better.【解析】先行词是next week，定语从句中不缺少主宾表，缺少时间状语。故用when连接。句意：我们将把公园的野餐推迟到下个星期，那时天气可能会更好。II：运用定语从句把两个简单句子连接为复合句。3. A:I am looking forward to the day.B: My daughter can read this book and know my feelings for her.【答案】I am looking forward to the day when my daughter can read this book and know my feelings for her.【解析】先行词是the day，后面的定语从句结构非常完整，所以使用关系副词when在句中做时间状语，同时引导起这个定语从句。句义：我一直都在期待着我的女儿能够阅读并理解我对她的感情的那一天。II：运用定语从句把两个简单句子连接为复合句。summaryhomework