高二英语人教版选修6课件Book6Unit3Grammar

人教课标高二选修6Unit31.Itisnevertoooldtolearn.活到老,学到老。2.Itrainscatsanddogs.大雨滂沱3.Itneverrainsbutitpours.不鸣则已,一鸣惊人。4.Itisapoormousethathasonlyonehole.1.Itisnevertoooldtolearn.2.Itrainscatsanddogs.3.Itneverrainsbutitpours.4.Itisapoormousethathasonlyonehole.1.ItisamazingthatatmyageIamstillfit.2.Itiseasiertofallthantorise.3.Itisnogoodcryingoverspiltmilk.4.Ithinkitbestthatyoushoulddomoreexercise.5.Hefounditdifficulttoaccustomhimselftogettingupearly.Thesubjectposition1.ItisamazingthatatmyageIamstillfit.2.Itiseasiertofallthantorise.3.Itisnogoodcryingoverspiltmilk.“It”canbeusedinthesubjectpositiontostandfor_______,___________or_________.aclauseaninfinitive-ingformTheobjectposition4.Ithinkitbestthatyoushoulddomoreexercise.5.Hefounditdifficulttoaccustomhimselftogettingupearly.aclauseaninfinitive1.ItisamazingthatatmyageIamstillfit.2.Itiseasiertofallthantorise.3.Itisnogoodcryingoverspiltmilk.4.Ithinkitbestthatyoushoulddomoreexercise.5.Hefounditdifficulttoaccustomhimselftogettingupearly.“It”canbeusedinthesubjectorobjectpositiontostandfor________,___________or_________.aclauseaninfinitive-ingform1.It’sdifficulttogiveupsmoking.2.Isitcertainthattheywillwin?3.Itisgoodlearningwithoutpractice.4.Itisfunforhimtostudy.5.It’sapitythatourteachercan’ttakepartinourparty.6.Itissuggestedthatwe(should)arrivetherein2hours.formalsubject1.It+is+adj./n./p.p.+infinite/clause/-ingformrealsubjectclear,easy,true,difficult,certain,etc.fun,apity,ashame,nouse/good,etc.said,believed,decided,hoped,etc.1.It’sdifficulttogiveupsmoking.2.Itisfunforhimtostudy.3.Itissuggestedthatwe(should)arrivetherein2hours.遵循英语语言的尾重原则,避免句子头重脚轻。formalobject2.…+verb+it+adj./n.+infinite/clause/-ingformrealobjectfind,think,feel,believe,consider,make,etc.2.Someyoungpeoplethinktheylookattractivewhentheysmoke.Itseems__________________________________________________________1.Givingupsmokingisdifficulttodo.Itis__________________________thatsomeyoungpeoplethinktheylookattractivewhentheysmoke.difficulttogiveupsmoking.3.Mostpeoplebelievesmokingcausescancer.Itisbelieved_________________________4.Don’ttrytoquitonastressfulday.Itisnouse___________________________tryingtoquitonastressfulday.thatsmokingcausescancer.5.Chinaproducesonethirdoftheworld’scigarettes.Itisastonishing____________________________________________________6.Youarenotallowedtoadvertisecigarettesinthiscountry.Itisillegal__________________________________thatChinaproducesone-thirdoftheworld’scigarettes.toadvertisecigarettesinthiscountry.7.Myfatherhasquitsmokingatlast.Itiswonderful_________________________________________8.Thenightwasdarkandstormywhentheoldmanstartedhisjourney.Itwasa_______________________________________________________darkandstormynightwhentheoldmanstartedhisjourney.thatmyfatherhasquitsmokingatlast.9.Youcouldsufferfrombadhealthifyoukeepsmoking.Itislikely__________________________________________________10.Youhavetotakepillstocontrolyourbloodpressure.Itisnecessary______________________________________________foryoutotakepillstocontrolyourbloodpressure.thatyoucouldsufferfrombadhealthifyoukeepsmoking.3.Itwasadarkandstormynightwhentheoldmanstartedhisjourney.Inthissentence,“it”isusedtotalkabouttime.“It”canbeusedinanotherway?Inthissentence,whatdoes“it”referto?1.Itisabeautifulday.2.Itneverrainsbutitpours.3.Itwastimetoquitesmoking.4.Itis10kilometerstothecastle.5.Ittakesallsorts.世上的人形形色色，无奇不有。“It”canbeusedtotalkabout________,_____,________,etc.1.Itisabeautifulday.2.Itneverrainsbutitpours.3.Itwastimetoquitesmoking.4.Itis10kilometerstothecastle.5.Ittakesallsorts.weathertimedistanceImpersonal“it”canalsobeusedtotalkabout____,______,____________,_____________,etc.circumstance1.ItisFridaytoday.2.ItliesinthesouthofShaoguancity.3.Itis40℃!Yougotahighfever!4.It’squiethere.dateplacetemperature1.Itwasverycoldyesterday.2.Itisabout8:30now.3.Itisabout5kmfrommyhometothepark.4.It’squitenoisyhere.5.Ihopethatitwillbefinetomorrow.circumstanceweathertimedistanceweatherOneofyouisaneyewitness(E)whohasseenarobberyoranaccident.Theotheristhepoliceman/policewoman(P)whowantsasmuchinformationaspossible.Use“it”intheanswers.EXAMPLE:P:Whatwastheweatherlikeonthedayoftheaccident?E:Itwasbeginningtorainhardandthegroundwasslippery.P:Howfarcouldyousee?E:Itwasimpossibletoseemorethantwentyyardsaheadofyou,soallthecarsweretravellingveryslowly.P:WhataboutMr.Li’scar?Wasittravellingslowlytoo?…Practiseyourdialogueandthenswaproles.了解it的用法，掌握它的规律。