Unit 1 Section B Grammar and usage ppt课件-（2020）新牛津译林版高中英语选择性必修第一册.rar

SectionBGrammarandusage1.eagerbeeagerfor.渴望得到beeagertodosth.渴望做某事beeagerforsb.todosth.渴望某人做某事beeagerthat.渴望（从句的谓语动词用“should+动词原形”，should可以省略）eagerlyadv.急切地；渴望地，热心地eagernessn.渴望，热心witheagerness热切地练习：Manystudentsareeager_(find)agoodwaytohavetheirwrittenEnglishimprovedinashortperiod.Vocabulary Vocabulary tofind2.allowallowfor考虑到；估计到；把计算在内allow(doing)sth.允许（做）某事allowsb.todosth.允许某人做某事beallowedtodosth.被允许做某事练习：Youareallowed_(get)accesstoourcomputersystemonlyifyougetthemanagerspermission.toget3.impressimpresssb.withsth.某物给某人留下深刻的印象beimpressedby/with.被打动，对印象深刻impresssth.on/upononesmemory某人把某事铭记在心impresssth.on/uponsb.使某人意识到某事impressiveadj.给人深刻印象的；令人赞叹的impressionn.印象，感想；影响。have/geta(n).impressionof.对有印象make/leaveadeepimpressiononsb.给某人留下深刻的印象give(sb.)theimpressionof/that.给（某人）以的印象(be)undertheimpressionthat.以为；（通常指）误认为练习：Everyonehasunforgettablemomentsinhislife,whichleaveadeepimpression_him.onLeading inLeading inNotthatlongago,myfirstthoughtatmealtimeswasto eat atarestaurant.Iwaseagerto try newrestaurants.To eat out wasalsoasocialactivity,allowingmetoenhancetherelationshipwithmyfriends.Ioftenateoutuntillastmonth,whenIcameacrossacookingapp.Thereareavarietyofrecipesintheappto choose from.Theyareuploadedbyusers,andofferdetailedinstructionssothatotherscanfollowthemstepbystep.Mostoftherecipesincludephotosorvideos,whichareveryusefulforbeginners.WhenIpickedapopularrecipeandgaveitatry,Idiscoveredthatitwasnotthatdifficultto make asimpleandtastydish.Inthelastfewweeks,Ivethrownmyselfintohomecooking,fromboilingnoodlesinthepottofryingsteakinthepan.Ihardlyeatoutanymore.Notonlyiscookingathomecheaper,butIcancookexactlywhatIwant.Itshealthiertoo.Nowonderpeoplesaynothingbeatshomecooking!NowIamgoodatcookingacoupleofdishes.Myplanisto invite myfriendsoverattheweekendto show themmynew-foundskills.Ihopethattheywilllikemycooking!ExploringtherulesExploringtherulesComplete the table of Part A on Page 6.to-infinitivesassubjectsTo eat out was also a social activity, allowing me to enhance the relationship with my friends. When I picked a popular recipe and gave it a try, I discovered that it was not that difficult to make a simple and tasty dish. to-infinitives as predicativesNot that long ago, my first thought atmealtimeswastoeatatarestaurant.Myplanistoinvitemyfriendsoverattheweekendtoshowthemmynew-foundskills.动词动词动词动词不定式不定式不定式不定式作主作主作主作主语和表语语和表语语和表语语和表语动词不定式作主语动词不定式作主语动词不定式做主语时，句子的谓语动词常用单数。（1）动词不定式做主语置于句首。Toseeistobelieve.眼见为实。Toloveothersistobeloved.爱人即爱己。（2）it做形式主语，动词不定式做真正的主语置于句尾，常用于下列句式中：It+be+名词+todosth.Itisaproblemtomaintainadequatepensionfunds.要维持足够的养老基金是个问题。Ittakessb.+sometime+todosth.Ittookmeanhourtorepairmybike.我花了一个小时修理我的自行车。It+be+形容词forsb.+todosth.，适用于此句型的形容词有difficult，easy，hard，important，impossible，necessary等。Itsverydangerousforchildrentocrossthebusystreet.对孩子们来说，穿过熙熙攘攘的街道很危险。It+be+形容词ofsb.+todosth.，适用于此句型的形容词有careless，clever，good，foolish，honest，kind，lazy，nice，right，silly，stupid，wise等。Itscleverofyoutoworkoutthemathsproblem.=Youareclevertoworkoutthemathsproblem.你真聪明，解出了这道数学题。注意：动词不定式做主语时多数情况下可以用动名词替换，但在以下三种情况下不能替换：一些固定说法中；表示强烈的对比时；表示某一次具体的动作或具体的情况时。动词不定式作表语动词不定式作表语动词不定式做表语，通常用来说明主语的具体内容或者性质。常见的用来做主语的名词有：aim，duty，dream，hope，idea，plan，wish，goal，task，ambition，purpose，work，job等表示目标、意向、计划、任务的词。Mygoalistobeateacher.我的目标是当一名教师。Alwayskeepinmindthatyourmaintaskistogetthiscompanyrunningsmoothly.永远记住：你的主要任务是使这家公司运转顺利。有些时候，系动词会是appear，seem，prove，tumout，remain等。Whetherwewillsucceedornotremainstobeseen.我们能否成功仍有待观察。注意：（1）当主语部分有实义动词do或do的某种形式时，动词不定式做表语时可以省略to。AllIcoulddonowis(to)keepsilent.我现在所能做的就是保持沉默。（2）动词不定式和动名词做表语都是用于表示主语“是什么”，但动词不定式做表语强调的是一次性的、具体的、将要发生的动作；动名词做表语强调的是一般性的、抽象的、经常发生的动作。Themansjobistopaintthewalls.这位男士的工作是粉刷这些墙。（表示一次性的、具体的、目前要做的事情）Themansjobispaintingwalls.这位男士的工作是粉刷墙。（表示经常性的日常工作）（3）某些动词的不定式与be动词连用时常用主动形式表示被动意义，如betolet（出租），betoblame（应负责任）等。Thehouseistolet.这所房子要出租。Applying the rulesApplying the rules1.ThenextdishthatthecookwillprepareisKungPaoChicken.(attributive)ThenextdishtobepreparedbythecookisKungPaoChicken.2.Thepreparationofhome-cookedmealsiseasyandenjoyable.(subject)Topreparehome-cookedmealsiseasyandenjoyable.Itiseasyandenjoyabletopreparehome-cookedmeals.3.Herdreamisthatshewillopenarestaurantsomeday.(predicative)Herdreamistoopenarestaurantsomeday.4.Wewillputthepotatoesinthepotfirstinorderthattheywillbecookedquickly.(adverbialofpurpose)Wewillputthepotatoesinthepotfirst(inorder)tocookthemquickly.5.IconsidertheSoupoftheDayasthebestoptiononthemenu.(objectcomplement)IconsidertheSoupoftheDaytobethebestoptiononthemenu.Thank youThank you