Unit(1)FoodMattersGrammarandUsageI課件高中英語牛津譯林版（2020）選擇性

B4U1FoodMatters

Grammar:

Toinfinitivesassubjectsandpredicatives年級：高二年級學科：英語（譯林版）年級：高二年級學科：英語（譯林版）主講人：劉獻平學校：漣源一中B4U1Grammar&Usage(I)To-infinitivesassubjectsandpredicativesReadtheblogentryonpage6andfillinthefollowingmindmap.Inthepast,theauthorlikedtoeat(1).Thentheauthorcameacrossacookingapplastmonth.Theauthorwaseagertotrynewrestaurants.Toeatoutwasalsoasocialactivity(2)_______________________________

withfriends.ReasonsatarestauranttoenhancetherelationshipApp’sfunctionsThereareavarietyof

(3)

tochoosefrom.Itoffers(4)

foruserstofollowstepbystep.recipesdetailedinstructionsReadtheblogentryonpage6andfillinthefollowingmindmap.Inthelastfewweeks,theauthorhasbeenengagedinhomecooking.Cookingathomeis(5)

1

Cookingathomeis(6)

1

BenefitshealthierTheauthorcancookexactlywhathewants.cheaper

Belowisablogentryabouteatingoutandeatingathome.Findthesentencesthatuseto-infinitives

assubjectsorpredicatives.To-infinitivesassubjectsToeatoutwasalsoasocialactivity,...To-infinitivesaspredicatives...,myfirstthoughtatmealtimeswastoeatatarestaurant.Myplanistoinvitemyfriendsoverattheweekend......,itwasnotthatdifficulttomakeasimpleandtastydish.WorkingouttherulesWhentheto-infinitiveisusedasasubject,weusuallyusethepreparatorysubject(1)_____

atthebeginningofthesentence.Theto-infinitivecanalsobeusedasapredicative.Itusuallycomesaftertheverb(2)

.itbeIdentifyfunctionsoftheto-infinitiveinthefollowingsentencesfromtheblogentryofPartA.(1)Toeatoutwasalsoasocialactivity,allowingmetoenhance

therelationshipwithmyfriends.(2)Thereareavarietyofrecipesintheapptochoosefrom.(3)Myplanistoinvitemyfriendsoverattheweekendtoshowthemmynew-foundskills.objectcomplementattributiveadverbialofpurposeGothrough“Grammarnotes”onpage94.動詞不定式具有名詞特征，可充當主語。（做主語時謂語動詞用單數(shù)形式）Toseeistobelieve.眼見為實。注：單個不定式作主語時，謂語動詞用單數(shù)形式；兩個及以上不定式作主語時，謂語動詞用復數(shù)形式；但作為一個整體時，謂語動詞用單數(shù)形式。到哪里去度假以及何時去度假還沒有決定。Wheretogoonaholidayandwhentogofortheholiday

(decide).到哪里去，何時去度假還沒有決定。Whereandwhentogoonaholiday____________________(decide).Tosayisonethingandtodoisanother.

說是一回事，做又是另一回事。havenotbeendecidedhasnotbeendecided動詞不定式作主語動詞不定式句子做主語時可以用形式主語it代替，將不定式置于句末，平衡句子結(jié)構(gòu)。Itis

a

shame

to

litter.亂扔垃圾可恥Itisaprivilegetomeetyou.認識你很榮幸it作為形式主語時，常見句型。It+be+adj.

+(forsb)todosth(adj修飾物）It+be+adj.+(ofsb)todosth(adj修飾人）It+be+n.+todosthIttakes/took/willtakesbsometime/moneytodosth動詞不定式作主語動詞不定式做主語時,若其后面需要用動詞作表語，則作表語的動詞也最好使用不定式形式，保持形式一致(todoistodo)Tosavemeistosaveyourself.救我也是救你自己。動詞不定式做句子的主語時,會有時態(tài)、語態(tài)的變化。Itis

a

great

honor

formetobeinvitedheretoday.今天我很榮幸被邀請到這里。Her

birthdaypartyistobeheldnextFriday.她的生日將于下周五舉行。動詞不定式作主語1.動詞不定式做表語直接用在系動詞之后，起解釋說明的作用，其主語通常是aim,ambition,dream,duty,goal,idea,intension,plan,purpose,task,way,wish等表示意向、打算、計劃的詞。Her

wish

is

to

be

a

teacher.她的愿望是當一名教師。2.動詞不定式做表語用在seem,appear,remain,prove,turnout

等之后：Severalproblemsremaintobesettled.有幾個問題有待解決。Thedutyofsoldiersistodefendtheircountry.軍人的職責是保衛(wèi)祖國。動詞不定式作表語3.用于表達想法、約定、義務、命令、可能性、命運等。如：We

are

to

meet

at

the

station

then.(表約定）Howarewetoconvincehim?（表可能性）YouaretocomewhenIcall.（表命令）Thequestionishowtocarryouttheplan.問題是如何實施這項計劃。4.“疑問詞+不定式”也可以用作表語動詞不定式作表語B2Completethe

articlewiththecorrectformsoftheverbsinthebrackets.Locatedtoturntositpaintedrangingto

invitetobetoseeB3ImagineyourfriendhastakenyououttodinneratSkyBuffet.Writeathank-younotetoyourfriend,offeringtoreturnthefavourbyinvitinghimorhertoyourhomefordinnernextweekend.Remembertouseto-infinitives.Usetheexpressionsbelowtohelpyou.ExpressionsIamwritingto…Ihavealwayswantedto…Itwassokindofyouto…Iwouldlike/loveto…Itwaswonderfulto… Myplanisto…DearTom,IamwritingtothankyoufortakingmetoSkyBuffet.Itwassokindofyoutoinvitemeandbookatablebythewindow.Itwaswonderfultoseethecitysceneryandwatchthebeautifulsunset.IhavealwayswantedtogiveSkyBuffetatry,anditcertainlyliveduptomyexpectations!Doyouhaveanyarrangementsnextweekend?MyplanistoinviteyouovertomyhomefordinnernextSaturday.Theviewwon’tbeasgoodasatSkyBuffetbutIwouldliketocookyousomethingspecialtothankyou.