职高英语it用法公开课.ppt

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1、`YouareGreat!Believeyourself!!!Lookatthepicturestoanswerthequestions:What’sthis?It’sabook.Whattimeisit?It’seighto’clock.Whereisthedog?It’sunderthebed.Itisnevertoooldtolearn.活到老，学到老。Whatisthemeaningofthissentence？1.Itisabook.2.Itiseighto’clock.3.It’sundert

2、hebed.4.Itisnevertoooldtolearn.It的用法教学目标:1.知识、技能目标：能够准确分析it在句子中的不同作用，并灵活的运用到日常对话及练习中。2.情感目标：合作精神，独立完成任务的能力。一、it作代词:新课It’slovely.Howisthedog?it代替上文提到的thedogWhoisthelovelybaby?It'sMr.Black’sson.it代替婴儿Whoisit?It'sme.身份不明确的人代替未出场的Whatdoyouthinkofthecartoon?-I

3、t’soneofthebestcartoonsthatI’veseen.代替上文中的thecartoonIt’slovely.It'sMr.Black’sson.Whoisit?-It’soneofthebestcartoonsthatI’veseen.1.作人称代词(代替前面提到的人或物)It’sadog.What’sthis?it代替thisWhat'sthat?It'sarose.2.作指示代词it代替thatItwastimetogetup.it指代时间Itis10kilometerstothec

4、ity.it指代距离It’ssunny.What’stheweatherliketoday?指代天气itItwastimetogetup.Itis10kilometerstothecastle.It’ssunny.3.作非人称代词指代时间,距离,价值,天气,环境，自然现象等Itisbadtosmoke.=Tosmokeisbad.Itisasurprisetoseesobigacock.看到如此大的一只公鸡是一件很惊讶的事情。=Toseesobigacockisasurprise.遵循英语语言的尾重原则,

5、避免句子头重脚轻,常用it作形式主语！考试进行中....作弊？Nouse！急!急!急!Itisnogoodcheatinginthetest.Itisveryclearthatthegirlistall.ItissaidthatZhouJielunwillcomeourcity.(1)Itisbadtosmoke.(2)Itisasurprisetoseesobigacock.(3)Itisnogoodcheatinginthetest.(4)Itisveryclearthatsheistall.(5)I

6、tissaidthatZhouJielunwillcomeourcity.二.作形式主语。真正主语置于句后，真正主语通常为不定式、V-ing,主语从句。It做形式主语句型结构：(1)Itisbadtosmoke.(2)Itisasurprisetoseesobigacock.(3)Itisnousecheatinginthetest.(4)Itisveryclearthatheistall.(5)ItissaidthatZhouJielunwillcomeourcity.It+be+adj..p.p

7、.（表语）+todosth.doingsth.clause(真正主语）找规律1.学习英语很有趣。Itisinteresting2.嘲笑别人是不好的。Itisnogood3.据说他已经通过了考试。Itissaid试一试tostudyEnglish.thathehaspassedtheexam.laughingatothers.__________________________________________________IthinkitimportanttoreadEnglisheveryday.Hef

8、ounditdifficulttogetupearly.Ithinkitnousetalkingtohim.Wethinkitbestthatyoushoulddomoreexercise.IthinkitimportanttoreadEnglisheveryday.Hefounditdifficulttogetupearly.Ithinkitnousetalkingtohim.Wethinkitbestthatyoushou