江苏省新沂市第二中学八年级英语下册 Unit 7 International charities grammar 1教案 （新版）牛津版.doc

International charities 教学目标 ‎1.To know the context of passive voice .‎ ‎2.Master and use the passive voice of the present tense and the simple past tense correctly.‎ 重点 ‎1.To know the context of passive voice .‎ ‎2.Master and correct use of the passive voice of the present tense and the simple past tense 难点 ‎1.To know the context of passive voice .‎ ‎2.Master and correct use of the passive voice of the present tense and the simple past tense 教法及教具 Some pictures and a tape recorder.‎ 教 学 过 程 教 学 内 容 ‎ 个案调整 教师主导活动 学生主体活动 ‎ ‎ Step1 Lead in ‎ 1. Teacher helps sts. revise the reading part to introduce passive voice . Ask :‎ ‎(1)Where do ORBIS doctors do operations ?‎ ‎(2)What is needed by ORBIS to help blind people ?‎ ‎2.Teacher writes the answers on the blackboard and circle out the two parts .‎ Step2 Presentation 1. Introduce passive voice : 当我们对被做的事情而不是做事情的人感兴趣时，我们用被动语态。‎ 2. Show some examples :‎ ‎(1)Many people speak English.(主动)‎ English is spoken by many people .(被动)‎ ‎(2)They built a new bridge over the river .(主动)‎ A new bridge was built over the river .(被动)‎ 主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受着，当主语和谓语动词构成被动关系时，通常需要用被动语态。汉语中常用“被”“给”“由”“受”等词来表示被动，而英语中则用“ be +动词的过去分词”来表示。‎ ‎3.Ask them to work out the rule:‎ Answer :‎ ‎(1)ORBIS doctors do operations on the plane .‎ ‎(2)More money is needed by ORBIS to help blind people .‎ 2‎ 教 学 内 容 ‎ 个案调整 教师主导活动 学生主体活动 ● 当主语是谓语的执行者时，用主动语态。当主语是谓语的承受着时，用被动语态 。如：‎ We cleaned the classroom everyday .我们每天都打扫教室。‎ The classroom is cleaned by us every day . 教室每天都被我们打扫。‎ ● 被动语态的基本构成：‎ 主语 be动词 过去分词 一般现在时 I am supported You/We/They ‎ are He/She/It ‎ is 一般过去时 I ‎ was supported You/We/They ‎ were He/She/It ‎ was ● 被动语态的基本用法：‎ 1. 动作的执行者是泛指或不言自明时。‎ 2. 在不知道动作的执行者是谁时。‎ 3. 需要强调动作的承受者时。‎ 4. 出于委婉或礼貌而避谈动作的执行者时。‎ 5. 在被动语态的句子中，如果我们需要指出动作的执行者，可以由by引出。‎ 1. Give more examples .‎ Step3 Practice ‎1.Present the pictures of reading part and try to find out the sentences with passive voice .‎ ‎(1) What is this charity called in English ?‎ ‎(2) What is the plane used as ?‎ ‎(3)How many patients were operated on during Dr Ma’s last visit?‎ ‎2.Ask sts. to revise the sentences in Comic strip & Welcome to the unit like this way .‎ Step4Homework 1. Do exercises on exercise book .‎ 2. Try to remember the rule .‎ Learn passive voice by heart .‎ Answer:‎ ‎(1)It is called ORBIS.‎ ‎(2)It is used as a hospital .It is also used as a training centre.‎ ‎(3)‎ 板书 课堂作业作业 见附页 教学札记 2‎