ID: 20948207

译林版(2019) 选择性必修第三册 Unit 4 Protecting Our Heritage Sites Grammar and usage表语从句复习教案(无答案)

日期:2025-10-22 科目:英语 类型:高中教案 查看:97次 大小:34768B 来源:二一课件通
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译林,Sites,教案,复习,从句,表语
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表语从句复习教案 学习目标 1)通过情景导入,了解表语从句的定义和作用,以及判断表语从句的方法; 2)选择合适的引导词连接表语从句; 3)正确运用表语从句完成写作; 学习重点 表语从句的定义和作用。 学习难点 辨析不同引导词在表语从句中的成分。 Step 1 Lead in 1. Daily greeting 2. Illustrate the learning objectives 3. Present several sentences: Yesterday is history; Tomorrow is mystery; Today is a gift; That is why it's called the present. Then ask students this question: What is the sentence structure Step 2 Presentation 概念呈现 表语从句是指 从句在句子中充当表语 , 紧跟在 系动词 之后,对主语进行解释、说明,使主语的内容具体化。 表语从句的构成: 主语+系动词+引导词+简单句 语法探究 探究发现1:系动词 状态类:be 感官类:look/sound/taste/smell等 持续类:stand/remain/keep/stay等 变化类:become/get/turn/go等 似乎类:seem/appear 结果类:prove/turn out 探究发现2:引导词 从属连词 在从句中 作/不作 成分;有:that, whether等 连接代词 在从句中作主语、宾语、表语或定语,有:who, what, which等 连接副词 在从句中作状语;有:when, where, how ,why 等 2.1.1 从属连词(that/whether等)用法归纳: a. that引导表语从句时,只起连接作用,作/不作句子成分,有/没有意义。 b. whether引导表语从句时,只起连接作用,作/不作句子成分,通常翻译为“是否”。注意,引导表语从句时通常不用if。 C.注意这个结构:The reason why ... is that ...(why引导定语从句;that引导表语从句) 主语是reason时,表语从句不能用because, 只能用that。 特殊用法:1)特定名词+系动词+that+(should)do结构 表示建议,要求,命令(advice, suggestion, request, proposal, idea, demand,order等名词后面的表语从句要用虚拟语气,即谓语动词用“should + 动词原形”,should可省略。 My suggestion is that we all _____ (take) an active part in the coming sports meeting. 特殊用法:2)because引导的表语从句常见于"This/That/It is/was because..."句型中 That's because…强调原因;That's why… 强调结果。 1) He failed the math exam. That’s _____he was too careless. 2) He was too careless. That’s _____ he failed the math exam. 2.1.2 连接代词(what/who/which/whose等)用法归纳: 连接代词在表语从句中可充当主语、宾语、表语或定语。依据“缺什么补什么”原则确定正确的连词。 所谓“缺什么补什么”是指从句与连词之间的关系。 如果句子中缺主语,指人用who,指物用what。 如缺宾语,指人用whom,指物用what。 如缺定语用which或whose。 2.1.3 连接副词(when/where/why/how等)用法归纳: 连接副词在表语从句中充当状语,可表时间、地点、原因、方式等,因此不能省略。 依据“缺什么补什么”原则确定正确的连词。所谓“缺什么补什么”是指从句与连词之间的关系。 如缺时间状语用when;地点状语用where。 原因状语用why;方式状语用how。 Step 3 Exercises 一. 真题链接:单项选择 1.What puzzles Lily's friends is _____ she always has so many crazy ideas. A. whether B. why C. what D. when 2.This is _____ my father has taught me—to always face difficulties and hope for the best. A. how B. which C. that D. what 3.By boat is the only way to get here, which is_____ we arrived. A. where B. when C. why D. how 二.语法填空 1.The fact is _____ we have lost the game. 2.--I fell sick! --I think it is _____ you are doing too much. W ... ...

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