1、Unit3AhealthylifeSectionGrammar-it的用法（1）ItisabeautifuldayhereandIamsittingunderthebigtreeattheendofthegarden.Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouarefindingitdifficulttogiveitup.IthinkItisnevertoolatetomend.Itisnousetalkingtothem.Itissaidthathestolethemoney.itdifficulttolearnEng

2、lishwell.Wemakeitclearthatspeakingtotheteacherinthatwayisnotpolite.Idontlikeitwhenpeopletalkwiththemouthfulloffood.我的發(fā)現(xiàn)(1)句it表示天氣，句第一個it取代to_give_it_up作形式賓語；第二個it取代句中所說的“抽煙”的事。(2)在句中it用作形式主語，其中句用在“Itis形容詞(for/ofsb.)動詞不定式(短語)”中，it指代動詞不定式(短語)；句用在“Itisnouse/good動名詞(短語)”中，it指代動名詞(短語)；句用在“Itissaid/believ

3、ed/reportedthat從句”中，it指代that從句。(3)在句中it用作形式賓語，其中句用在“動詞it形容詞動詞不定式(短語)”中，it指代動詞不定式(短語)，句用在“動詞it形容詞that從句”中，指代that從句；句it用在某些特其他句式中，指代when從句。一、it用作人稱代詞和非人稱代詞1(1)it用來指代前面的名詞或前面提到過的事。Myfriendofferedmeabeautifulgiftyesterday,andIlikeitverymuch.我朋友昨天給了我一件漂亮的禮品，我特別喜歡。(2)指代性別不明的child或baby。Hissisterhasgivenabi

4、rthtoababyrecentlyanditisverybeautiful.他姐姐近來生了個孩子，很漂亮。(3)指代未出場的身份不明確的人。Whoiswaitingforyouatthebusstop?Ihavenoidea.Itmaybemybrother.誰在車站等著你？不知道，可能是我哥哥。(4)取代前文中的Thisisyourplan?Willyouhandthis,that。itin?這是你的計劃？你要交上去嗎？2用作非人稱代詞it用作無人稱的主語，不指物，而表示時間、天氣、天氣、季節(jié)、距離等自然現(xiàn)象，或指事物的狀態(tài)。Itisafinedaytoday,isntit?今天是個晴天氣

5、，對吧？Itisfivekilometerstothetownfromthevillage.從鄉(xiāng)村到城鎮(zhèn)有10里路。Itstenoclock.十點鐘了。即時操練1般配下面it的用法A指代前面的名詞B指代性別不明的child或babyC指代未出場的身份不明確的人D時間E距離Whosthatatthedoor?Itisthemilkman._C_Qingdaoisabeautifulcity,isntit?_A_Thebabyiscrying.Itmightbehungry._B_WhatalongwayitisfromBeijingtoLondon!_E_Itwasnearlymidnightw

6、henshecameback._D_二、it用作形式主語it常取代由不定式、動詞的-ing形式或從句表示的真實主語，作形式主語，而將真實的主語移至句子的后邊。It1取代不定式短語作形式主語isimpossibletogettherebyboat.坐船不可以能到那里。Itsverykindofyoutohelpme.你幫助我真好。2取代動名詞短語作形式主語常用于以下構造中：Itsnouse/nogood/nofun/useless/awasteoftimedoingsth.做某事沒適用/沒有利處/沒成心思ItisnousegivingItisuselessgiving/沒適用/浪費時間。hims

7、omeadvice.himsomeadvice.給他提建議沒用。Itisnecessarythat3取代主語從句作形式主語theworkshouldbedonewell.這項工作應當被圓滿達成是必定的。ItsapitythatIdidntthinkofitearlier.我沒有早一點這么想真是遺憾。4注意以下固定句型Itseems(ed)/appears(ed)that.憂如It(so)happenedthat.剛巧Itturns(ed)outthat.結果是Itoccurredtosb.that.某人突然想起Itissaid/reported/believed/hoped/well-know

8、n/suggested.that.聽說/據(jù)報道/大家都相信/人人都希望/大家都知道Itsohappenedthattheticketsweresoldout./有人建議剛巧票都賣光了。Itoccurredtoherthatshemightadoptahomelesschild.她突然想到她能夠收養(yǎng)一個無家可歸的孩子。Itturnsoutthatthesituationisquiteserious.結果表示情況很嚴重。即時操練2補全句子(2015四川高考滿分作文)IbadlyneedtoimprovemyoralEnglish,soit_is_great_for_me_to_findanativ

9、espeakertolearnfrom.我急需提高我的英語口語，因此對我來說找到一個能夠向他學習的當?shù)厝苏媸翘昧恕?2014重慶高考滿分作文)It_is_true_thatasmartphoneplaysanimportantroleinourdailylife.真的，智妙手機在我們平時生活中扮演重要的角色。It_is_no_use_tryingtosolvetheproblembyforce.Peacetalksaretheonlysolution.試圖用武力解決問題是沒用的，和談才是唯一的方法。It_was_said_thatthetyphoonhadcausedalotofdamage

10、.聽說臺風已造成了好多的損壞。三、it用作形式賓語it常可取代不定式(短語)、動名詞(短語)或從句在句子中作形式賓語，而將真實的賓語放在句子后邊，it作形式賓語常用于以下幾種情況：1動詞it形容詞/名詞Theyconsidereditimportant(for/of)todo/從句tohavetheworkdoneontime.他們認為準時達成這項工作很重要。Wemakeitaruletovisittheoldeveryweekend.我們規(guī)定每個周末都去拜見那些老人們。2動詞itnogood/nouse/useless/awasteoftime/worthoneswhile等doing.Il

11、lmakeitworthyourwhiletellingmeabouthissecret.告訴我他的神秘，我會酬報你的。Hethoughtitnousetryingtoconvincethem.他認為企圖說服他們沒適用。3動詞it介詞短語that.oweittosb.that.把歸功于takeitforgrantedthat.Heowesittohisdoctorscarethat想自然/認為是自然的heisquitewellagain.多虧醫(yī)生的照料，他身體又好起來了。4動詞appreciate/hate/love/like/dislike后邊接if或when引導的從句作賓語時，中間需用形式

12、賓語it，組成“appreciate/hate/love/like/dislikeitif/when從句”。Hewillappreciateitiftheywillinvitehim.若是他們邀請他，他將特別感謝。Shehatesitwhenhebraggedthathewasthemostimportant.她厭煩他自吹自己最重要。即時操練3補全句子Firstofall,Ithink_it_very_important_to_make_more_friendsabroad.第一，我認為在外國多交朋友是特別重要的。(2014山東高考改編)Susanmade_it_clear_to_me_tha

13、tshewishedtomakeanewlifeforherself.蘇珊明確向我表示，她想為自己謀得一份再生活。(2014陜西高考改編)Id_appreciate_it_ifyoucouldletmeknowinadvancewhetherornotyouwillcome.若是你能讓我趁早知道你可否能來，我會很感謝的。Ithink_it_no_use_arguingwithhim.我認為和他爭論是沒適用的。Wealltake_it_for_granted_thatMilecansucceed.我們都想自然地認為米萊能成功。.單句語法填空1Newtechnologieshavemadeitea

14、siertoenjoylifethaneverbefore.2Youmaydependonitthattheywilllookafteryourdaughterwhenyouareaway.3Fromtheteacherspatientexplanation,Ihavelearntwhatabigresponsibilityitistoeducateus.4Haveyougotusedtotheweatherhere?Yes.ButIdontenjoyitinthesummerwhenitrainsonend.5IneedtobuyanewcellphonebadlybutIcantaffor

15、dit.6Iknowitisimportanttoknowmyownlimitations,butwhatisdifficultistohelpotherstoknowtheirownlimitations.7Iwouldappreciateitverymuchifyoucouldgivemesomesuggestions.8Itis_known(know)tousthatheisoneofthemostfamousfootballplayersintheworld.9Itneveroccurredtomethatyoucouldsucceedinpersuadinghimtochangehi

16、smind.10WillyouseetoitthatmychildrenaretakengoodcareofwhileIamaway?11ItfeltfunnywatchingmyselfonTV.12Thereisstillacopyofthebookinthelibrary.Willyougoandborrowit?.單句寫作1(2015江蘇高考滿分作文)It_is_everyones_responsibility_to_obeytokeepthesocietyinorderandpeopleslivessafe.therules恪守規(guī)則讓社會保持序次、人民生活平定是每一個人的責任。2It

17、_is_obvious_thatiPadisofgreathelptoourstudy,especiallytoourEnglishlistening.不問可知，iPad對我們的學習有很大幫助，特別是對我們的英語聽力。3It_is_well-known_thatlearningEnglishwellwillbeofgreatbenefittousall.人盡皆知，學好英語對我們大家都大有利處。4(2015江蘇高考書面表達)Whatsworse,somedrivers,cyclistsandpedestriansdonotthink_it_vital_to_obeytrafficrules.更糟

18、的是，一些司機、騎車人和行人認為恪守交規(guī)沒有多么重要。5(2015重慶高考滿分作文)I_would_appreciate_it_ifyoucouldtellmemoreabouttheactivity.若是你能告訴我更多活動事宜，我將不勝感謝。6Ithink_it_necessary_thatwetakeplentyofboiledwatereveryday.我認為我們每日喝大量的開水是必要的。.語法填空Doyouhavesleepingproblems?Ifso,thenthesetipsmayhelpyoufallasleepfast.Setasidethethought_1_youhav

19、etofallasleep.Themoreyouthinkofit,the_2_(hard)youwillfallasleep.Thefoodsyoueatalsoplay_3_importantpart.Avoideatingordrinkingthingslikechocolates,coffee,teaandenergydrinks.Ifyouhaveto,thenhavetheminthemorningandneverintheafternoon,_4_(especial)beforegoingtobed.Donteattoomuchatnight.Afullstomachwillma

20、keitmoredifficultforyou_5_(fall)asleepbecauseyourbodyisworkingmoretimetodigestthefoodyouate.Makea_6_(fix)timetogotobed.Forexample,by9oclockintheeveningyoushouldalreadybeinbed.Dothisevenifyourenotsleepyyet.Once_7_(follow)thisroutine,youwillgraduallyseethatyoufeel_8_(sleep)whenits9oclock.Makeyourroomcomfortableforsleeping.Youshouldalsotakenotethatthesleepingenvironmentalsoaffectsyou