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ID:57230215
大小:2.01 MB
页数:29页
时间:2020-08-04
《选修六book6unit3grammar-it用法课件.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、Unit3AhealthylifeGrammar:Theusagesofit一.基本用法:it做代词1)Lookatthepicture._____isapictureofourschool.2)Someoneisknockingatthedoor.Whois__?1.用作人称代词,代替前面提到的人(不明确的)或物,也可以指动物或婴儿.itIt---Isthisyourbook?---Yes,______is.2.用于代替指示代词this和that.it一.基本用法:it做代词1)Itishalfpasteightn
2、ow.2)It’sonlyhalfanhour’swalkfromheretoourschool.3)Ihopethatitwillbefinetomorrow.4)Ithasrainedmuchthisyear.5)It’sspringnow.6)It’squiethere.7)Itis40℃!Yougotahighfever!3.非人称代词用以表示时间、距离、天气、气候、季节、环境、温度等timedistanceweatherclimateseasonenvironmenttemperature1.人称代词a.用
3、作人称代词,代替前文提到的人或物,以避免重复:b.也可以指动物或婴儿(未知性别的婴儿或孩子).2.非人称代词有时并不指具体的东西,可指天气、时间、距离、环境等Itwasveryquietinthecafé.Itishalfanhour’swalktothecity.3.指示代词指代this或thatThisisyourpen,isn’tit?it的基本用法歌名:Anythingbutordinary(绝不平凡)歌手:艾薇儿·拉维妮(AvrilLavigne)SometimesIgetsoweirdIevenfre
4、akmyselfoutIlaughmyselftosleepIt'smylullabySometimesIdrivesofastJusttofeelthedangerIwannascreamItmakesmefeelaliveIsitenoughtoIsenoughtobreathSomebodyripmyheartoutAndleavemeheretobleedIsenoughtoSomebodysavemylifeI'dratherbeanythingbutordinarypleaseTowalkwithinth
5、elinesWouldmakemylifesoboringIwanttoknowthatIHavebeentotheextremeSoknockmeoffmyfeetsComeonnowgiveittome……loveitdieitIsitenoughtolove?Itisenoughtolove.(肯定句)(一般疑问句)形式主语真正主语当__________、________、_________在句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。此时it只
6、起先行引导作用,本身无词义。Itbe+adjnp.p(for/ofsb)todosthdoingsth主语从句+difficult,important,natural,necessary,etc.fun,apity,nouse/good,time,etc.said,reported,suggested,ordered,etc.it用作形式主语从句动词不定式动词-inggiveupdrinking?difficult!CompletethesentencesItisdifficultforthemto_________
7、_.giveupdrinkingItis+adj+todosth.See!Abighenploughing(`plauiŋ耕地)!Itis__________________________.(看到如此大的一只母鸡是一件惊讶的事情)asurprisetoseesobigahenItis________________________________.(看到如此大的一只母鸡耕地是一件有趣的事情)funtoseesuchabighenploughingItis+n+todosth.Itisnogoodouse____
8、_____________(cryoverspiltmilk).Oh!Mymilkisspilt(溢出).cryingoverspiltmilkItis+_______________+doingsth.做...是没用的/没好处的nouse/nogood覆水难收。Completethesentences到了我们要戒酒的时候了。_________
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