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Module 5 Unit 3知识储备：已经学了时间状语从句、原因、目的、结果等状语从句。
能力储备：已经基本掌握了各种状语从句的用法。
经验储备：参观博物馆是大家熟悉的话题。
教学目标1、If引导的状语从句的种类和结构；2、使用祈使句禁止某行为；3、能口头和笔头熟练使用各种状语从句环节做好铺垫。
活动二; 复习各种条件状语从句（在笔记本上列出你所掌握的条件状语从句，小组讨论）学习if引导的条件状语从句，根据讲解，整理笔记。
做练习，然后小组讨论，二次过关，纠错。
大多数情况下，从句可以位于主句之前，也可以位于主句之后。
不过从句在前时，主从句之间必须用逗号隔开。
例如：Please tell me if he comes back. = If he comes back, please tell me.如果他回来了，请告诉我一声。
（三）if的两面性if引导条件状语从句时意为“如果”，如果引导宾语从句则意为“是否”。
请比较：1) We will go out if it is fine tomorrow.2) I don’t know if the train has arrived.句1) 中if引导的是状语从句。
这个从句表示“条件”，整个句子的意思是“如果明天天气好，我们就出去”。
句2) 中if引导的是宾语从句，充当谓语动词don’t know的宾语，整个句子的意思是“我不知道火车是否到了”。
二、小练一下(一) 选择：( )1.If it ______ sunny tomorrow, I ____ boating.A. is goB. will be, goC. is, will goD. will be, will go( )2.----What will you do if it ______ tomorrow, ----I’ll stay at home and watch TV.A. rainB. rainsC. will rainD. is raining（二）句型转换（变同义句）1.Run fast, or you’ll be late for school._____ you _____ ______ fast, you’ll be late for school.2. You can buy the dictionary if you take enough money with you.If引导的条件状语从句专练，认真完成，小组合作，将疑惑之处提出，等待老师讲解。
Module 5 Unit3 Language in use教案ⅠTeaching modelRevision and application.ⅡTeaching methodFormal and interactive practice, task-based activities.ⅢTeaching ObjectivesTo summarize and consolidate.ⅣTeaching aidsPPT, tape recorder, handouts.ⅤTeaching StepsStep 1 Revision1. Review the text of Unit2.2. Grammar learning.Step 2 Language practice1. Match the signs with the rules.2. Look at the signs and write the rules.3. Complete the sentences with the correct form of the words in brackets.4. Complete the sentences with your own ideas.Step 3 Work in pairsAsk and answer questions about museum.A: What can you see at the museum?B: You can see an exhibition about…Now write some advice for visitors. Use if.Example:If you want to see ancient technology, go to the ground floor.Step 4 Check up1. Complete the sentences with the words or expression in the box.2. Complete the sentences with expressions in the box.3. Listen and label the different parts of the museum.a) Ancient Worldb) A special roomc) Modern Worldd) Natural Worlde) Restaurantf) Ticket officeg) ToiletStep 5 Module task1. Work in groups. Prepare a guide to a museum.1) Describe the museum: what kind of museum it is and what you can see there.2) Draw a diagram of the museum: what you can find on each floor.3) Provide more information: how to get to the museum; what the opening hours are; ticket information, etc.2. Find or draw pictures for your guide, showing what you can see at the museum.3. Present your guide to the class.。
