Unit2languagepoints更新.ppt

Unit2languagepoints 1 现在分词在句中作状语 表伴随 与主语是主动关系 Thesadfellowlayonthegrass staringatthesky Iwrotealetterhopingtogetfurtherinformation 2 bylunchtime到午饭时间为止by 在 之前 Ihavetogobackby10o clock 3 情态动词 havedone couldhavedone 对过去事实的推测 否定和疑问句 Whatcouldhavehappened Hecouldn thaveattendedthemeeting hewenttoBeijinglastweek 本来能够做某事但没有 肯定句 Hecouldhavepassedtheexam buthedidn t musthavedone对过去发生事情的肯定猜测Itmusthaverainedlastnight should oughttohavedone本应该做某事但没有Yououghttohavefinishedyourhomework shouldn t oughtn ttohavedone本不该做某事但做了Yououghtn ttohavetoldhimthebadnews needn thavedone本没必要做某事但做了Youneedn thavetakenataxi may mighthavedone表推测It slate Hemay mighthavegonetobad 4 单个过去分词作定语放在名词之前过去分词短语作定语放在名词之后 表被动 thebrokencupthelostboythespokenEnglishthecupbrokenbyTomtheEnglishspokeninChinathemuttoncookedinthefinestoil 5 否定词 比较级 表最高级意思 没什么比 更 Nobodyinhisclassisclevererthanhim Nothingismorepleasantthantraveling Howareyougettingonwithyournewjob Nothingcouldbebetter Itcouldn tbebetter 6 seem似乎好像 seemtodosthHeseemstoknowtheanswer itseemsthat Itseemsthatheknowstheanswer 7 drivev驱使迫使 drovedriven drivesbmad是某人发疯 8 have 宾语 宾补 havesbdoingsth让某人一直做某事I msorrytohaveyouwaiting havesbdosth让某人做某事Ihavehimopenthedoor havesthdone让某事被做Ihadmybikerepairedyesterday havesthtodo有某事要去做Ihavealotofhomeworktodo 9 onadj 水 电开着的 Thelightswereon 正在举行Themeetingison 上演ThemoviehadbeenonwhenIgottothecinema 10 as作连词 随着 引导时间状语从句Astimewentby hiswordsprovedtobecorrect withtimegoingby 因为 引导原因状语从句Ashewasill hecouldn tgotoschool 尽管 引导让步状语从句Youngasheis heknowsalot 注意 名词 形容词 as though 主语 动词Childasheis heknowstohelpothers as引导方式状语从句 正如 按照 像 asweallknowasisknowntoallasyourcanseeDoinRomeastheRomansdo 入乡随俗Hewassuccessful aswehadexpected 正如我们所预料的 他成功了 11 If条件句 真实条件句 主将从现 Iwon tgoshoppingifitrainstomorrow 虚拟条件句 与现在事实相反从句用一般过去时 were 主句用would V原IfIwereabird Iwouldflyinthesky IfIhadenoughmoney Iwouldbuyacar 与过去事实相反从句用过去完成时主句用wouldhavedoneIfIhadknownyourphonenumber Iwouldhavecalledyouyesterday 注意 错综条件句 IfIhadstudiedhard Iwouldpasstheexamnow 从句与过去事实相反 主句与现在事实相反 12 so such that 如此 以至于 引导结果状语从句 sobeautifulagirlsuchabeautifulgirl somany much few little 多多少少 可数名词的复数及不可数名词前只能用suchTheyweresuchlovelygirlsthatwealllikethem Itissuchfineweatherthatwecangoouttoplay littleboyseat littlefood Such so