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1、揭阳第三中学教案表 课题Book 7 Unit 2 Robots 课型Period 4 Grammar教学目标1. Target language 目标语言a. 重点词汇和短语 to do ,to be done be done b. 重点句式to be done 2. Ability goals 能力目标1To arouse Ss interest in learning about the passive voice and the infinitives 2 To improve Ss grammar3. Learning ability goals 学能目标1. To arouse S
2、s interest in learning about to be done and be done 2. To develop Ss ability of cooperation.重点难点Help the students learn about the passive voice 教具准备A computerand a projector.课时安排Two Step 1 Revision复习动词不定式的主动被动结构一般式进行式完成式主动to doto be doingto have done被动1. The dam _ by the year 2012, will benefit the
3、whole country. A. being completed B. to complete C. completed D. to be completed2. She told me that her proposal needed _ into consideration. A. to take B. to be taken C. to be taking D. to have taken不定式的主动形式表示被动1. 在“npron + be + adj + to do”结构中。常用的形容词有easy, difficult, hard, impossible, nice, pleasa
4、nt, light, heavy, (un)fit 等。如： 1. 本文很好理解。 2. 他很好相处。 3. 这种水不宜喝。2. 当不定式的逻辑主语在句中出现时。如：Do you have anything to say? (you是to say的逻辑主语)3. 一些作表语用的不定式的主动形式。常见的这类动词有 let (出租), rent, blame 等。例如：The house is to let / to rent此房出租。I felt l was to blame. 我感觉该受责备的是我。1 _ fit, youd better take exercise in themorning
5、, for the morning air is fresh _. A. to keep; to be breathed B. keeping; to breathe C. to keep; to breathe D. keeping; to be breathedStep2 、Revise the Passive Voice主动语态（the active voice）被动语态（the passive voice）如：Everyone enjoys exciting sports. (主动语态)主动语态表示主语是动作的执行者; Exciting sports are enjoyed by ev
6、eryone. (被动语态)被动语态表示主语是动作的承受者。通常只有及物动词（组）才有被动语态，不及物动词没有。如：我的家乡发生了很大的变化。不能说：Great changes have been taken place in my hometown.常见主被动时态变化一览表现在时过去时将来时一般式_ _ given_ _ _ given_进行式_ _ given_ _ _ given 完成式_ given _ given_Transform the following into the passive voice.(把下列句子改为被动语态）1 We are cleaning the clas
7、sroom.The classroom is being cleaned by us.2.The students have planted many trees in spring. Many trees have been planted by students in spring3. Before you come back, we will have finished the building. Before you come back, the building will have been finished.根据括号内的汉语提示完成下列句子。 1.These children _
8、(将受到很好的照料）in the kindergarten. 2.The classroom _ (由学生们打扫）everyday. 3.The problem _(正在被讨论）in the meeting room now. 4. Many trees and flowers _ in the schoolyard（校园里.Step 3 、情态动词的被动语态 含有情态动词的被动语态是由_ 构成的。 E.g. All the work should be finished today. 所有工作必须今天完成。Step 4 、特殊的被动结构1. 系动词无被动 （look, feel,smell,
9、 taste, stay, prove keep等）如：1）这种布料摸起来很软。 The material feels soft. 2) 这些苹果闻起来很香甜。 These apples smell sweet.2. 表示主语特征或特点的动词，如read, write, cut, sell, wash, open等，通常和一个副词连用。如：1）这把书畅销。 The book sells well. 2) 这把刀很快。 The knife cuts well.3. 在be worth doing, need/ want/ require doing (to be done)结构中，其后的动名词一定是用主动语态表示被动意义。例如: The book is worth reading.1) 这种花每周要浇水两次。 The flower needs watering twice a week2) 这个小孩需要照看。 The baby wants looking after.Step 5 practice and homewokP 14 EX2 EX3教学方法、教学手段与学法、学情Teaching methods: d板书设计 Book 7 Unit 2 GrammarTo do To be done Be done 教学反思资
