Unit 2 Grammar 课件 2026-2027学年译林版英语九年级上册

该初中英语课件聚焦if/whether及特殊疑问词引导的宾语从句，通过“猜意思”活动导入，先区分if的“是否”“如果”词义，再结合正误例句讨论whether的特殊用法，搭建从词义辨析到结构掌握的学习支架。 其亮点在于通过正误对比、情境练习和结构化总结提升语言能力与思维品质，如用“whether...or not”“whether to do”例句辨析用法，结合选择题和填空练习巩固。帮助学生清晰掌握语法规则，教师可直接使用结构化内容提高教学效率。

If/ whether 引导的宾语从句 1. Master the usage of if/whether and special interrogative words to guide object clauses. 2. Know the sentence structure of object clauses: main clause + connecting word + subordinate clause (statement order). 3. Remember common special interrogative conjunctions: what, who, where, when, why, how and so on. 4. Distinguish the difference between if/whether and special question words . Teaching aims if whether 的用法 Activity 1 2. Guess the meaning He wants to know whether/if we will go camping this weekend. 是否 2. Guess the meaning I will go fishing if the weather is fine tomorrow. 如果 if：__________ whether:______ 如果、是否 是否 3 总 结 if whether = ？ Discussion 区别在哪？？？ 正：Whether it is true or not, I can’t tell. 误：If it is true or not, I can’t tell. summary（1）__________________. whether......or not 正：I don’t know whether to make friends with you. 误：I don’t know if to make friends with you. Summary:____________________________ Whether + to do 正：Whether you will sing , I don't know. 误：If you will sing , I don't know. Summary:_______________ whether放句首 Oh, brother. I worry about if you hurt. 你应该说： Oh, brother. I worry about whether you hurt. 介词+whether 4 4.宾语从句要用__________语序， 即_____+______+______。 主语 谓语 宾语 陈述语句 I am not sure whether it will be a rainy day tomorrow. 5 语序 （1）whether意思是：_______ （2）只用whether的情况 ①whether_________ ②______+whether，固定搭 配：whether ....._______ ③放在句首 Summary to do 介词 or not 是否 6 — How long does it take to get to the airport? — Forty minutes. But it’s foggy today. I’m not sure _______ the highway will close soon. Let’s set off earlier. A. whether B. when C. how D. why 选择题。 7 3. I don’t know ＿＿＿＿ to visit the old man. A. whether B. if C. that Choose the right answer. 1. I haven’t decided ____ I’ll go out or stay at home. A. that B. when C. why D. whether 2. I want to know ___ you love English. A. that B. what C. if D. who √ √ Exercises 3. I wonder ____ our teacher will come to my birthday party. A. whether B. why C. that 4. I’d like to know ________ or not. A. whether will he come B. whether has he come C. whether he will come √ √ Exercises 用if/whether完成下以下练习 1. I am thinking of_________ we should go fishing. 2. I am not sure_______ it will be rainy or not tomorrow. 3. Millie asked me___________she can join the football team. 4. They ask me________to go skating next weekend. whether whether whether if/whether A1 Complete each object clause below with the correct question word. whether if / whether that if / whether that if / whether 8 完成书本练习 （1）whether意思是：_______ （2）只用whether的情况 ①whether_________ ②______+whether，固定搭配：whether ....._______ ③放在句首 3.注意点：（1）宾语从句中表示的是客观真理或普遍事实时要 用_____________ （2）宾语从句要用__________语序， 即_____+______+______。 Summary to do 介词 or not 陈述语句 一般现在时 主语 谓语 宾语 是否 词类 引导词及其含义 在宾语从句中的功能 连接代词 who 可在从句中作主语、宾语、表 语或定语 whom whose what which 连接副词 when 在从句中作状语 where how why 谁（主格） 谁（宾格） 谁的+名词 什么 哪个，哪些 什么时候 在哪里 怎样；如何 为什么 特殊疑问词引导的宾语从句 （连接代词和连接副词） Wh-引导词 +主+谓+其他 在复合句中，当一个句子充当宾语时，这个句子被称之为宾语从句。 Who are they? They are Kobe and Yao Ming. I asked you who they were. You told me that they were Kobe and Yao Ming. 概念 宾语从句 1.宾语从句定义： 放在_______和________的后面 动词 形容词 2.宾语从句中表示的是客观真理或普遍事实时要用_____________ 一般现在时 1 复习 词类 引导词及其含义 在宾语从句中的功能 连接代词 who 可在从句中作主语、宾语、表 语或定语 whom whose what which 连接副词 when 在从句中作状语 where how why 谁（主格） 谁（宾格） 谁的+名词 什么 哪个，哪些 什么时候 在哪里 怎样；如何 为什么 特殊疑问词引导的宾语从句 （连接代词和连接副词） Wh-引导词 +主+谓+其他 2 how who which when what 特殊疑问词引导的宾语从句 where whom why whose 3 eg.1 I don't know how to work out this maths problem. eg.2 Sandy wants to know where to find the book. 疑问词+to do 6 例句总结 He knows that you are right. 主语 谓语 引导词 陈述句 He wants to know why you are right. 主语 谓语 引导词 陈述句 主句+宾语从句 （主语+谓语+引导词+__________） How old is Tom? I want to know. I want to know how old Tom is. 陈述句 从句中要用陈述语序，即 引导词+ 主语+谓语+ 其他 7 语序 1. 特殊疑问词____________ 2.宾语从句要用_____________语序 3.疑问词(除why外）+__________ 4. 客观真理或普遍事实时要用____________ 不可省略 陈述句语序 to do 一般现在时 8 总结 www.21cnjy.com https://www.21cnjy.com二一教育 Activity 16 Read and complete. B1 Complete each object clause below with the correct question word. how who why when how what 9 练习 someone late have 1. 抄语法笔记 2. 完成练习册相应练习 10 作业 Thanks $