牛津译林版高中英语必修四unit 3《tomorrow’s world》（grammar and usage）word教案

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1、Unit3Tomorrow’sworldGrammarandusage一．【设计思想】以实际运用为主，让学生在语言交际中运用语法规则，在运用中逐步掌握语法规则。二．【教学目标】1.知识目标：（1）了解被动语态的动词基本形式和一些特殊的被动用法。(2)学会怎样在被动语态中使用情态动词。(3)学习经常用于被动语态的动词2.能力目标：能够准确地运用不同时态中的被动语态的动词形式。三．【教学重难点】了解被动语态的一些特殊用法【课堂导入】Step1用动词的被动语态填空。(1)Theman_________(call)“Goodhusband”.(2)Thepetdog___

2、_______(treat)byveterinary.(3)Afrog__________(catch)byabigbirdjustnow.总结：被动语态的基本形式是______________________【课堂教与学】Step2帮助学生复习不同时态的被动语态(1)一般现在时:am/is/are+done(2)现在进行时:am/is/arebeing+done(3)现在完成时:have/has+done(4)一般将来时:shall/will+done(5)一般过去时:was/were+done(6)过去进行时:was/werebeing+done(7)过去完成

3、时:hadbeen+done(8)过去将来时:wouldbe+done1.Askstudentshowwecanchangeasentenceintothepassivevoice.Remindstudentsthatweshouldpayattentiontothefollowing:Findouttheobjectofthesentenceanduseitasthesubjectofthesentencewiththepassivevoice.(1)Decidethetenseofthesentenceandusetherelatedformofitspass

4、ive.(2)Ifnecessary,use“by”tojointheformersubject,whichshouldbeputintoitsobjectform.2.Askstudentswhenweusethepassivevoice.AskthemtoreadPoint3onpage48tofindtheanswer.Andgivethemthefollowingsentencesasexamples:(1)不知道或没必要指出动作的执行者。Manyhouseswillbebuilthere.(1)强调动作的承受者。Thesong“TheEastisRed”

5、waswrittenbyapoorpeasant.(2)动作的执行者有较长的修饰语。TheplanwassupportedbythosewhowishedtohavemorechancestospeakEnglish.(3)出于礼貌，不愿意说出动作的执行者。Youarerequestedtoattendthemeeting.1.AskstudentstoreadPoint3and4onpage48carefullyandcompletethefollowingpractice.Changethefollowingsentencesintothepassivevoi

6、ce:(1)Allofuslikeher._______________________________________________________(2)Wearediscussingthequestion._______________________________________________________(3)Wehaveputoffthemeeting._______________________________________________________(4)Iwilldevelopmypicturenextweek.__________

7、_____________________________________________Fillintheblankswiththerightformofthewordsgiven:(1)I___________(give)anewbookbymyfatheronmybirthday.(2)English___________(find)veryuseful.(3)Thework______________(finish)tomorrow.(4)Theflowers______________(water)bythemnow.(5)Therailway_____

8、_____