江苏省南京市江宁区汤山初级中学八年级英语下册 8B Unit 3 Online travel Grammar（1）导学案（无答案） 牛津版.doc

8b unit 3 online travel grammar（1）导学案章、节unit 3教学内容grammar第 4 课时课 型 教学目标教学重点to recognize and understand the context for using the passive voice教学难点to become familiar with the function of the word by to indicate the agent who does something导 学 课 程教师复备（学生笔记）一、旧知温故1) what do we use the keyboard for? we use it to _ _(输入) words.2) what do we mouse menu for? we use it to _(选择) one icon screen(屏幕) and _ _(点击) it for more details. 3) what do we use the printer for? we use it for _(打印) e-mails. 4) my new computer is much f_ than the old one.二、新知学习 1) the places are marked in bright purple.(被做标记)2) get it now before it is sold out.(被售完)3) those words were written on the clouds just now.(被写) 这几句的主语都是物，翻译为“被-”。句中划线的部分是被动语态的结构。 be + 过去分词其中1)和2）句中用了is和are ： 现在时被动语态3）句用了were ： 过去时被动语态 三、合作探究（改正错误） 1) educational cd-roms is sold in many countries. _ 2) the printer is sold out just now. _ 3) computer studies taught in our school. _ 4) the computer was restart again by me. _ 5) did the keyboard connected to the computer properly? _ 6) the new educational cd-rom was just come out. _四、课堂总结 实际上我们在回答问题时可以用主动也可以用被动语态回答。下面我们看个例句：-我用电脑发送和接受电子邮件。-i use the computer to send and receive e-mails.也可以用电脑做主语，用被动语态。the computer is used to send and receive emails.a. 我们电脑课上教文字处理技巧。we teach word process skills in computer lessons.word process skills _ _ in computer lessons.b. 他用紫色把已参观的地方做标记。he marked the places he has visited in purple.the places he has visited _ _ in purple.从上可知：1） 一般主语是物用被动语态，但come out 却不能用被动语态。the new educational cd-rom has just come out.2) 被动语态也有现在和过去之分。现在时被动语态 _过去时被动语态 _五、课堂训练用括号中词的正确形式填空1english _ (spoke) by many people .2the trees _ (plant) by them last spring .3the hospital _ (build) two years ago .4rice _ (grow) in southeast of china .5why didnt you go to the concert ? because i _ (not invite) .6 did you connect the keyboard to the computer ?-yes , the keyboard _ (connect) to