Book1 Unit4 Natural Disasters 自然灾害 Grammar: Restrictive Relative Clause限制性定语从句 Learning Objectives 学习目标 1.Master the form of the restrictive relative clause(限制性定语从句). 2.Choose proper relative pronouns(关系代词)for relative clauses. 3. Form the habit of independent learning and be willing to cooperate with others. Step1 Lead in 导入 Watch and guess WHAT IT IS Step2: Observe & Discover 观察发现 Activity1: Find out what can be used as an attribute(定语). It brings strong winds and heavy rain. 2. It broke ten windows in our classroom. 3. Those who stayed here saw its terrible power. 4. It broke power lines that bring us light. _____词、____词、_____、____词、_____都可以在句子中充当定语。 Activity2: Find out the definition & structure & function. 定义：在复合句中修饰_____的从句叫定语从句。 定语从句相当于一个形容词，意为_____。被修饰的名词或 代词叫_____。_____包括关系____词和关系副词。 2. 位置：定语从句一般位于所修饰的____词或___词之后，故称作 后置定语。 3. 结构：定语从句的结构为 _____ +_____ +_____。 4. 作用：关系词的作用是①连接____句和____句；②指代_____; ③在定语从句中_____。 Step3: Perceive & Clarify 感知明确 Observe and find out the usage of relative pronouns. The typhoon that/which hit Huizhou last month was very strong. There are some safety rules (that/which) we must follow. Rule1: 当先行词是 （人/物）时，由句___知，从句缺主语，关系代词用 ；由句___知，从句缺宾语时，用_____。 People who/that live near the sea often suffer from typhoons. The volunteers (who/that/whom) we respect are heroes. Rule2: 当先行词是_____（人/物）时，由句___知，从句缺主语时，关系代词用 ；由句___知，从句缺宾语时，关系代词用_____。 Rule3:由句②、④知，关系代词在定语从句中做 语时，可省略。 A family whose house was damaged received timely help. We saw a tree whose branches were broken in the typhoon. Rule4: 在从句中做定语，既可以修饰_____也可以修饰_____，表示_____关系，译为“什么人/物的”。 Rule5：由Rule1~Rule4知，关系代词的选择取决于两个因素：_____和_____。 Step4: Apply & Consolidate 应用巩固 Activity1: Fill in the blanks with proper relative pronouns. 1. For people _____love the sun, summer is a time of fun. 2. For people _____homes were destroyed by typhoon Matmo, that summer was a time of great sadness. 3. The typhoon _____hit the city yesterday is heading north. 4. The floods _____the typhoon caused were serious. 5. We must help the people _____the disaster affected(影响) most. 6. Villagers_____lives near the sea should learn from this disaster. Activity2: Guessing game. Guess what kind of natural disaster it is. Activity3: Complete the sentences, using an restrictive relative clause. 1. He is a boy _____ _____ 2. This is our school _____ _____ Activity4: Complete the passage, using relative pronouns. A typhoon is a powerful storm 1. _____ forms over the warm ocean. It is a giant weather system 2. _____ can be hundreds of kilometers wide. People 3. _____ live in coastal areas need to be very careful. The news 4. _____ the weather reporters give hel ... ...
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