高中英语it用法和强调句课件.ppt

《高中英语it用法和强调句课件.ppt》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、IT用法和强调句1.指提到的事物:Dongguanis a beautiful city,isn’t it?Isthisyourdog？No,itisn’t.Heisill.It’swhyheisabsent.Ihateitthathe’ssolazy.2.指婴儿或人(未知性别):Whoisthebaby？It’sme.Someoneisknockingatthedoor.Whoisit?一、it作人称代词指天气：Itissunnytoday,isn’t it?2.指时间:Itwas10o’clockwhenshecameback.It'sNovem

2、br30,2009.3.指距离：Itisanhour’s walk/ride frommyhometotheschool.4.指环境:Itwasveryquietin the café.5.指度量：Itisabout5kilograms.6.指价值：What‘sthepriceofthebook?Itis20yuan.二、it作非人称代词三、it用作形式主语1.Itis+adj/n+(forsb.)todosth.doingsththat从句Itisimportant(forus)tolearnEnglish.Itiswrongforustotell

3、alieIt’snouse/nogood/nohelparguingaboutit.Itisnogoodsmokingtoomuch.Itisveryclearthatheisn’ttellingthetruth.Itisapitythathecan’tcometomybirthdayparty.Itissaid(reported/believed/known/told/hoped)+that从句据说（据报道……）ItissaidthatChinawillsendupanothersatelliteintospace.=Chinaissaidtose

4、ndupanothersatelliteintospace.Itwasreportedthatthousandsofpeoplehaddiedintheaccident.=ThousandsofpeoplewasreportedtohavediedintheaccidentItiswellknownthatChineseteamhavewonthevolleymatch.=Chineseteamiswellknowntohavewonthevolleymatch.2.Itis+v-ed(said)+that从句=sbis+v.ed(said)+tod

5、osth3.It+vi.(seems/appears/happens)+that从句=sb+vi.(seems/appears/happens)+todosthItseemsthatheenjoyspopsongsverymuch.=HeseemstoenjoypopsongsverymuchItappearedthatTomhadchangedhismind.=Tomappearedtohavechangedhismind.IthappenedthatImetmyoldfriendonthestreet.=Ihappenedtomeetmyol

6、dfriendonthestreet.四、it作形式宾语动词有think,believe,make,find,consider,feel等。V+it+adj/n+(forsb)todosthdoingsththat从句Ithinkitimportant(forus)tolearnEnglish.=Ithinkthatitisimportant(forus)tolearnEnglishIbelieveitnogoodsmokingtoomuch.=Ibelieve(that)itisnogoodsmokingtoomuch.Ifeelitapityth

7、athecan’tcometomybirthdayparty.=Ifeelthatitisapitythathecan’tcometomybirthdayparty.五、用于强调句型中Itis(was)+被强调成分+that从句(人)(who)(被强调成分:主语，宾语，状语)一般疑问句：Is+it+被强调成分+that从句？特殊疑问句：特殊疑问词+isit+that从句?从句：引导词+itis+that从句ImetTomintheparkyesterday.1)ItwasIwhometTomintheparkyesterday.2)ItwasTomw

8、hoImetintheparkyesterday.3)ItwasintheparkthatImetTomye