Unit5ADelicateWorldGrammar課件高二英語選擇性

Unit5Usinglanguage-GrammarAdelicateworldNovisitorwouldthinkitsurprisingthatb.NovisitorwouldthinkthattheislandbeingaUNESCOWorldHeritageSiteissurprising.ExpertsfeltitnecessaryExpertsfelttocomeupwithaplantoremovealltherabbitsfromtheislandwasnecessary.group2:Whatdoes“it”refertoinsentences(a)and(c)?2.Whatisthedifferencebetweenthesentencesineachgroup?

theislandisaUNESCOWorldHeritageSite.

tocomeupwithaplantoremovealltherabbitsfromtheisland.Whentheobjectofasentenceisathat-clause(b)oraninfinitive(d),wesometimesuse“it”asanemptyobjectandputtherealobjectlatertokeepbalance.ObserveandsayP531『』group1:Nowlookformoresentenceswiththisstructureinthereadingpassage,andsummariseitsuseinyourownwords.HaveALk1.Thisincidentmadeitclearthattherat,mouseandrabbitproblemneededsolvingonceandforall.2.Thisinterventionisalong,much-delayedendingtoasadstory,butwehumansoweittotheislandtogiveitahappyending.1.Thisincidentmade________clearthattherat,mouseandrabbitproblemneededsolvingonceandforall.2.Thisinterventionisalong,much-delayedendingtoasadstory,butwehumansowe______totheislandtogiveitahappyending.ititFocuson基本概念

用法及常見情況

特殊情況ItasanemptyobjectIt作形式賓語it作形式賓語用法及常見情況歸納(1)Ifinditquitenecessarytomakesomechanges.

我覺得做些改變十分必要。(2)1thinkitwrongdoingitthisway.

我認(rèn)為這樣做是錯誤的。(3)Wehavemadeitclearthatshehasnothingtodowiththecase.

我們已經(jīng)說的很清楚，她與這個案子無關(guān)。當(dāng)不定式、動名詞或從句在某個句子中作賓語時，為了保持句子的結(jié)構(gòu)平衡，常用it作為形式賓語，而將真正的賓語放到句子后部去。it代表不定式

it代表動名詞

it代表連接代詞或副詞引導(dǎo)的從句it作形式賓語的幾種特殊情況1.動詞+it+that從句，常見于take,have,put等動詞之后。Itakeit

thathewillfinishthetaskbyhimself.我認(rèn)為他能自己完成這項任務(wù)。2.動詞+it+when/if從句，常見于appreciate,enjoy,like,prefer等動詞之后。Wereallyappreciateit

ifyoucoulddousafavour.如果您能幫助我們，我們會很感激。Hemadeit

knowntoeveryonethathewasright.

他讓每個人都明白他是對的。3.動詞+it+介詞短語+that從句，常見于oweittosb,takeitforgranted等結(jié)構(gòu)中。Weoweit

toyouthatwearestillalive.多虧有你，我們還活著。5.動詞+it+V-ed+從句4.動詞+介詞+it+that從句，常見于lookto,dependon,insiston,stickto,answerfor等結(jié)構(gòu)中。Sheinsistedon

itthatshewasinnocent.她堅持說自己是無辜的。manypeoplethinkitagoodideatokeepthisturtleasapet

believeitnobigissuetoreleasethemintothewildpeoplehavefounditathreattootherspeciestoreleasetheseturtlesintothewildExpertsconsideritimportantforownerstokeeptheirpetsinanenclosedareaRewritetheunderlinedpartsusingitasanemptyobject.P70

Checkyouranswers:2LookatthepicturesoftheSaihanbaNationalForestParkanddescribeitschangesusingit

asanemptyobjectwhereappropriate.1960sPresentdayP713Possibleanswer:Ithinkitabreakthroughtotransformadesertintoaforest.Inthe1960s,Saihanbawasadesert,whichmadeit

impossibletogrowplants.Besides,Ifeelitunrealistic

toplanttreeswithoutwater.Butinfact,someworkersinvestigated

itandfounditlikelytogrowcropsandplanttrees.Then,theyfeltittheirdutytorecreatetheforestofSaihanba.Asaresult,Saihanbahasbecomeabeautifulforestpark.Describehowaplaceyouknowhaschangedusingitasanemptyobjectwhereappropriate.P7141.Theydiscoveredthattheupperandlowerfrontteethofancienthumanadultswerealigned(對齊),making_____hard____________(produce)labiodentals(唇齒音),whichareformedbytouchingthelowerliptotheupperteeth.Later,ourjawschangedtoanoverbitestructure,making______easier____________(produce)suchsounds. (2022新高考I卷閱讀理解D)2.Thatwaswhynoneofthechildrenthought______unusual______Davidhaddecidedtojointhecross-countryteam.(2022新高考I卷讀后續(xù)寫)直擊高考itittoproducetoproduceitthat3.GenerationXerswithyoungfamilies,likemywifeandI,canstillfind_______convenient________(have)ahomephoneratherthanprovidingamobilephoneforeveryfamilymember. (2021全國乙卷閱讀理解B)4.TheengineersattheMassachusettsInstituteofTechnology(MIT)havetaken____astepfurther__________(change)theactualcompositionofplantsinordertogetthemtoperformdiverse,evenunusualfunctions.(2020全國卷I閱讀理解D)5.AnotherhabitIformedearlywasbeingoutdoors.Myparentsmade______apointfortheirtwokids__________(spend)timeoutside,nomattertheweatherorseason.(2020浙江卷七選五)直擊高考itittospendchangingittohaveit作形式賓語用法及常見情況當(dāng)不定式、動名詞或從句在某個句子中作賓語時，為了保持句子的結(jié)構(gòu)平衡，常用it作為形式賓語，而將真正的賓語放到句子后部去。特殊情況動詞+it+that從句，常見于take,have,put等動詞之后。動詞+it+when/if從句，常見于appreciate,enjoy,like,prefer等動詞之后。動詞+it+介詞短語+that從句，常見于oweittosb,takeitforgranted等結(jié)構(gòu)中。動詞+it+V-ed+從句動詞+介詞+it+that從句,lookto,dependon,insiston,stickto,answerfor等結(jié)構(gòu)中。I.選詞填空。1.Shethoughtitnogood___________(toworry/

worrying)abouthim.2.Ithinkitnecessaryforyou________(totell/telling)thetruthtotheboss.3.Thepublicmayfinditsurprising_________(whether/that)the7-year-oldgirlcanspeakmorethan3languages.4.Theyfounditpleasant________

(that/why)theyhadworkedwiththosescientistsfromChina.5.Ihateit__________(why/when)someonecomesinwithoutknockingatthedoor.worryingtotell

thatthatwhenII.用適當(dāng)?shù)膬?nèi)容或括號中所給單詞的適當(dāng)形式填空。1.Theyfelt_________difficulttofinishtheworkinsuchashorttime.2.I’dpreferit_______Ididn’thavetodosomuchwork.3.Somepeoplemaythink_______awasteofmoneyrepairingtheancientbuilding.4.Theyhavemadeitarule______________(notsmoke)intheroom.5.Weallconsideritimportant_________(put)theoryintopractice.itnottosmokeifittoputIII.用適當(dāng)?shù)膬?nèi)容或括號中所給單詞的適當(dāng)形式完成短文。

Somestudentsmaytakeitforgrantedthattheirparentsshouldsendthemtoschool,