Unit4 Natural Disasters Discovering Useful Structures 课件-2026-2027学年高中英语人教版必修第一册

该高中英语课件聚焦定语从句，涵盖定义、结构、关系代词及用法规则，以《蜡笔小新》情境化例子导入，从定语构成过渡到从句，通过支架式呈现帮助学生逐步掌握知识点。 其亮点在于情境化实例（如Xiaoxin相关例句）、分类归纳（“百搭代词二人组”等）及分层练习，结合语言能力（例句分析与应用）、思维品质（关系词辨析逻辑）和学习能力（结构化做题方法），助力学生提升语言运用与逻辑思维，教师可直接使用系统资料提高教学效率。

定语从句 相亲相爱一家人 @皇后 你看看三阿哥都学了些什么？ 皇上息怒，三阿哥不会用定语从句，让太傅重新教导就是了。 这紫禁城里，属四郎英语最好，若四郎能亲自辅导，想必极好! 还是嬛嬛最合朕意。朕亲自开课，好好教教三阿哥定语从句。 1.定语与定语从句 什么是定语和定语从句？ She is a beautiful girl. Amy is a woman teacher. The girl in red is my sister. The boy singing is my son. I like people who smiles a lot. 短前长后 2.定语从句结构 定语从句的结构 先行词 定语从句 关系词 This is the car which I bought last year. 定语从句的结构：先行词+关系词+从句 定语从句：在复合句中，修饰名词或代词的从句叫作定语从句，其作用相当于形容词。 先行词：被定语从句修饰的词叫作先行词。 关系词：引导定语从句的词叫作关系词。 6 3.关系代词与副词 关系代词 关系副词 that which who whom whose when where why 百搭代词二人组 which that The boy that was ill is Xiaoxin. Do you know the boy that Xiaoxin is talking with? The dog that is white is Xiaoxin’s pet. Xiaoxin is walking a dog that he bought 3 years ago. that （指人，作主语） （指人，作宾语） （指物，作主语） （指物，作宾语） The dog which is called Xiaobai is Xiaoxin’s dog. The dog which he is walking is Xiaoxin’s pet. which 物 主语 物 宾语 （1）that：既可指人也可指物，which用来指物。 （2）that和which在定语从句中都可作主语和宾语，作宾语时通常可以省略。 探究总结 代词三人组 who whom whose who Who is Xiaoxin? Xiaoxin is the boy who is drinking water. 主语 系动词 表语 定语从句 从句 主语 从句 谓语 从句 宾语 who The boy who is drinking is Xiaoxin. He is the boy who we like. 人 主语 人 宾语 who：用于指人，可作主语和宾语，作宾语时可以省略。 Who is Xiaoxin? Xiaoxin is the boy whom Children like. 主语 系动词 表语 定语从句 从句 宾语 从句 主语 从句 谓语 whom Xiaoxin is a student whom I like very much. The boy with whom I was talking is Xiaoxin. 人 人 宾语 whom 宾语 whom：用于指人，只作宾语，跟在介词后时，不能省略。 Who is Xiaoxin? Xiaoxin is the boy whose dog is white. 主语 系动词 表语 定语从句 从句 定语 从句 主语 从句 表语 whose 系动词 The boy whose dog is white is Xiaoxin. The dog whose color is white is cute. 人 物 定语 whose 定语 whose：可指人，也可指物，在定语从句中作定语。指人时，相当于of whom; 指物时，相当于of which。 只用that情况 1.先行词是不定代词everything、anything、nothing、all、none等时，或当先行词由every、any、all、few等词修饰时。 That is all that Xiaoxin wants to say. 那就是小新想要说的。 只用that情况 2.先行词被序数词或形容词最高级所修饰，或本身是序数词或形容词最高级时，只能用that，而不用which。 This is the most delicious food that I have eaten. He was the first person that passed the exam. 只用that情况 3.当先行词表示“正是的”，由the very、the only修饰时，关系代词一般用that。 This is the only book that can be useful to us. 这是唯一一本会对我们有用的书。 只用that情况 4.先行词里同时含有人和物时，只能用that，而不用which。 I can remember clearly the persons and some pictures that I saw in the room. 我能清楚记得我在那个房间所见到的人和一些照片。 只用that情况 5.以who或which引导的特殊疑问句，为避免重复，只能用that。 Who is the boy that is running? 正在奔跑的那个男孩是谁？ 只用which情况 1.当关系代词前使用介词时，只用which。 This is the room in which it lives. 这是它居住的房间。 只用which情况 2.先行词本身是that时，用which，而不用that。 What’s that which is under the desk? 在桌子底下的那些东西是什么？ 只用which情况 3.引导非限制性定语从句时，用which，而不用that。 eg：Xiaoxin came back, which made us happy. 小新回来了，这使我们很高兴。 Exercise 1. The frist place we visited was The Summer Palace. A. which B. that C. what D.who 2. ls Mary the only person helps him? A. which B. what C. that D.whose 3.They talked for about an hour of things and persons they remembered in the trip. A. who B. that C. whose D.which Find and underline the restrictive relative clauses in the sentences below. The Tangshan earthquake was a terrible experience that my great-grandma cannot forget. restrictive relative clause (限制性定语从句) 先行词 关系代词 Find and underline the restrictive relative clauses in the sentences below. The couple who live next to us volunteered to help after the volcano erupted. restrictive relative clause (限制性定语从句) 先行词 关系代词 Find and underline the restrictive relative clauses in the sentences below. The supplies which were provided to the disaster area were collected from around the country. restrictive relative clause (限制性定语从句) 先行词 关系代词 Find and underline the restrictive relative clauses in the sentences below. Mr Li is an architect whose designs for the new town have won praise. restrictive relative clause (限制性定语从句) 先行词 关系代词 Complete the sentences with that, which, who, whose, whom or “/”. (p52 Ex2) 1.Here are some of the people homes were destroyed by the typhoon. 2.The terrible shaking of the building woke up all the people ________ were asleep. whose who/that 有些人的房子被台风摧毁了。 建筑物可怕的摇晃把人们从睡梦中惊醒。 Complete the sentences with pronouns and translate them into Chinese.(p52 Ex2) 3. The next day, people put up shelters in the open air using anything _________ they could find. 4. Several days later, most of the buildings had been damaged by the hurricane were repaired. 5. The injured boy mother was lost in the disaster was taken to the hospital. that whose that/which 第二天，人们用能找到的一切物品在空地上搭建起避难所。 几天以后，大多数被飓风破坏的建筑物得到了修缮。 那个在灾难中失去了母亲的受伤男孩被送去了医院。 Complete the sentences with pronouns and translate them into Chinese.(p52 Ex2) 6. The woman wrote a thank-you letter to the soldier by _________ she was rescued. 7. Is this young boy _________ saved several other students trapped under buildings? whom who/that 在介词后 whom 指人 which 指物 这位女士给营救她的战士写了一封感谢信。 这就是那个从楼里救出了好几位被困同学的年轻男孩吗？ 副词三人组 when where why when He remembers the day when he graduated. 时间状语 He remembers the day on which he graduated. when=介词(in/at/on/during)+which where This is the place where she sleeps. 地点状语 This is the place in which she sleeps. where=介词(in/at/on)+which why This is the reason why he is late today. 原因状语 This is the reason for which he is late today. why=介词for+which 先行词 成分 关系词 时间 状语 when 地点 状语 where 原因 状语 why 易考点4: 介词+which / whom/whose引导定从 关系副词when, where, why可以用适当的介词+which来替代。如：when=in/on/at/during…+which, where=in/on/at…+which, why=for+which 1. I won’t forget the day when( on which) I was born. 2. This is the room where (in which) I lived. 3. I don’t know the reason why (for which) he haven’t come today. 定语从句中的主谓一致 1.关系代词在从句中作主语时，定语从句谓语动词的形式根据_________的形式确定. The old town has narrow streets and small houses that______ (be) built close to each other. 旧城区的街道狭窄，房子小，彼此挨得很近 I'm fond of that Piece of music which _______ (be) popular with the teenage. 我喜欢在青少年中流行的那支曲子。 先行词 were is 定语从句中的主谓一致 One of+复数名词+定语从句(谓语复数) the only one of+复数名词+定语从句(谓语单数) 2 He is one of the students who________ (have) a good command of French. 他是精通法语的学生之ー。 He is the only one of the students who___________ (have) a good command of French. 他是学生中唯一精通法语的。 have has Exercise 1. I know a place ___________ we can have a big meal. A. which B. that C. what D.where 2.I like the city ___________ the people are really kind and friendly. A. which B. what C. where D.whose 3.Do you know the reason____________he was late? A. who B. that C. why D.which 4.I will never forget the day_______I had my first bike. A. which B. who C. that D.when 5.This is one of the most interesting cities ______ I have ever visited. A. which B. that C. in which D.where 4.非限制性定语从句 限制性与非限制性定语从句 This is a dog which is Xiaoxin’s. 限制性定语从句 重要信息，不可删除。 限制性定语从句： 定语从句对名词起限定作用，它缩小了名词的表示范围。 This is a dog， which is Xiaoxin’s. 非限制性定语从句 可有可无，可删除。 非限制性定语从句： 起补充解释作用，不作为句子的组成部分，缺乏不会影响对整个句子的理解，往往与主句用逗号分开。 非限制性定语从句 引导非限制性定语从句的关系词有： 关系代词 which，who，whom，whose，as, 关系副词 when，where ,for which等 ※that和why不能引导非限制性定语从句。 Summary 定语从句 关系 代词 主语/宾语 定语 指代人 指代物 指代人或物 指代人或物的 who which whom whose that 主语/宾语 宾语 主语/宾语 指代人 定义：修饰名词或代词的从句。 结构：先行词+关系词+从句。 做题方法： 1.查看先行词的指代。 2.区别关系词在从句中的成分。 Summary 5.练一练 The people(1)_______ live in Wenchuan county will never forget the day 12 May, 2008.The 8.0-magnitude earthquake(2)__________killed over 80, 000 people and left many more injured turned many towns and counties into ruins.The rescue work(3)___________followed was carried out by people from all over the country, and even abroad. which/that which/that who/that Complete the passage with that, which, who, whose, or prep + whom.(p56 Ex2) 51 Now more than10 years on, the people (4)__________ suffered the earthquake are living a new life. Many live in new towns (5) ___________ are earthquake-safe, in local communities(6)_________ have been beautifully rebuilt by the government.The people will never forget those(7)________ rescued them and helped them rebuild their home.Out of gratitude, many young adults(8)________ were students during the earthquake have chosen to study medicine or join the army in a wish to help more people.Wenchuan, the county(9)__________was completely destroyed and then completely rebuilt, has become a symbol of the Chinese spirit of never giving up. who/that who/that which/that which/that who which/that 52 即学即练 单句语法填空 1．The earthquake that/ which hit the city in 1906 was the biggest in American history. 2．We don’t know the number of people who/ that lost their homes in the disaster. 3．Jake used to be a brave boy that/ whom/ who his teachers always praised. 4．She said she would do anything that could help her mother recover from the disease. 1.Is he the man wants to see you? 2.The house is in the back of our classroom is the teachers office. 3.He is the teacher I met yesterday. 4.Hany is the boy mother is our maths teacher. 5.These are all the things I can get for you. 6.I don't know the persons and the things they are talking about. Exercise who/that that/which that/who/whom that whose that Lavf58.28.100 Lavf59.14.100 $