2019_2020学年高中英语Unit3AhealthylifeSectionⅢGrammar教学案新人教版选修.doc

《2019_2020学年高中英语Unit3AhealthylifeSectionⅢGrammar教学案新人教版选修.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、SectionⅢ　Grammar——it的用法(一)课前语法感知Ⅰ.教材语法感知教材原句①ItseemsamazingthatatmyageIamstillfitenoughtocycle20kilometersinanafternoon.②It'smybirthdayintwoweeks'timeandI'llbe82yearsold!③Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouarefindingitdifficulttogiveitup

2、.④Iknowhoweasyitistobeginsmokingandhowtoughitistostop.⑤Gethelpifyouneedit!探究发现(1)it用法广泛，可以是代词，用来表示时间、天气、距离等，如例句②中it指时间，例句③中的第二个it指代smoking，例句⑤中it指代help。(2)it可以作形式主语或宾语，如例句①中it作形式主语，真正的主语是后边的that从句。例句③中第一个it作形式宾语，真正的宾语是后边的动词不定式。例句④中的两个it都作形式主语。Ⅱ.真题语法感知1．(2018·浙

3、江高考)ManywesternerswhocometoChinacookmuchlessthanintheirowncountriesoncetheyrealizehowcheap________canbetoeatout.答案：it2．(2018·江苏高考)Well,________isreallygreattobebackatuniversityagain.答案：it3．(2017·全国卷Ⅰ)Ithenmade________apointtoattendthosemeetingsandlearnallIcoul

4、d.答案：it4．(2015·北京高考)Oncethedamageisdone,__________willtakemanyyearsforthefarmlandtorecover.答案：it5．(2015·浙江高考)Closetotheschooltherewasabeautifulparkwithmanytreesaround________.答案：it课堂合作探究-9-名师点津(1)it还可在答语中代替指示代词this和that。—Whosedictionaryisthat?—It'smine.——那是谁的词

5、典？——我的。(2)it用于某些表示喜怒哀乐的动词(如like,enjoy,love,prefer,hate,appreciate等)后作形式宾语，真正的宾语常为when,that和if等引导的从句。-9-Ihateitwhenpeopletalkwiththeirmouthsfulloffood.我讨厌人们满口食物说话。【即景活用】(1)单句语法填空①Someoneisknockingatthedoor.Whomight________be?②Whatalongway________isfromBeijingto

6、London!③________wasnearlymidnightwhenshecameback.④Hewasbadlyhurt,and________madehismotherworryalot.⑤________isimpolitetotalkloudlyinpublicplaces.⑥Ibelieveitnouse________(read)withoutunderstanding.答案：①it　②it　③It　④it　⑤It　⑥reading(2)单句写作①吸收过多的脂肪和糖没有好处。___________

7、_____takingintoomuchfatandsugar.②吸烟会引起癌症是一个人尽皆知的事实。It'sawell－knownfact__________________________.③结果表明情况很严峻。________________thatthesituationwasquiteserious.④我发现让人们笑比让他们哭更难。I______________________tomakepeoplelaughthantomakethemcry.⑤我们都想当然地认为米勒能成功。Weall_________

8、_____thatMilercouldsucceed.⑥如果你及时打回来电话我会很感激的。Iwould______________ifyoucouldcallbackintime.答案：①It'snogood　②thatsmokingcancausecancer③Itturnedout　④finditmoredifficult　⑤tookitforgrant