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时间:2020-02-03
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1、Unit4Iusedtobeafraidofthedark.一、Knowledgesummary1.usedto+V(原形)过去常常做……(只用于过去时)eg.Iusedtobeshort.Tinausedtohaveredandcurlyhair.Didheusetowearglasses?Yes,hedid./No,hedidn’t.beusedtodosth.被用来做某事be/getusedtodoingsth.习惯于做某事反意疑问句(反义疑问句遵循这样一个原则,前肯定后否定,前否定后肯定) ①肯定陈述句+否
2、定提问如:Lilyisastudent,isn'tshe?②否定陈述句+肯定提问如:Shedoesn'tcomefromChina,doesshe?③提问部分用代词而不用名词如:Lilyisastudent,isn'tshe?④陈述句中含有否定意义的词,如:little,few,never,nothing,hardly等,其反意疑问句用肯定式如:HeknowslittleEnglish,doeshe?他一点也不懂英语,不是吗?Theyhardlyunderstoodit,didthey?他们几乎不明白,不是吗?口诀:
3、反义问句要点三,前后谓语正相反。附加问句not现,必须缩写是习惯。最后一点应注意,问句主语代词换。回答反义疑问句,答案含义是依据,肯定事实用yes,否定事实用no替。2.辨析:①Whatisshelike?Sheisquietandalittleshy.②Whatdoeshelooklike?Hehasshorthair.3.helpfuladj.有用的,有帮助的behelpfultosb.对某人有帮助4.①adj./adv.+enoughtodosth.Eg.Heisoldenoughtojointhearmy.②
4、enough+n.Eg.Hehasenoughmoneytobuythesebooks.③so…that,enoughto…,与too…to同义句转换Tomissocleverthathecanworkoutthemathproblem.=Tomiscleverenoughtoworkoutthemathproblem.在否定句中,可以与too…to互换Themanissooldthathecan’tgotowork.=Themanisn’tyoungenoughtogotowork.=Themanistoooldt
5、ogotowork.5.fromtimetotime时常,有时,不时6.It’sbeen+一段时间+since+从句.自从……以来已经有多长时间了It‘sbeenfiveyearssinceIbegantolearnEnglish.=ItisfiveyearssinceIbegantolearnEnglish.(从句用一般过去时态,主句用完成时)7.Iinterviewed19-year-oldAsianpopstarCandyWang.aneight-year-oldgirl(名词都要用单数)一个八岁的女孩8.ta
6、keupdoingsth.开始做……9.daretodo敢于做某事dare通常不用于进行时。10.infrontof在……前面,表示在某一物体外部的前面inthefrontof在……前部,表示在某一物体内部的前面eg.Theteacherstandsinthefrontofthewholeclass.Infrontofclassroom,thereisatree.11.①beinterestedinsth.对…感兴趣②beinterestedindoingsth.对做…感兴趣12.inthelastfewyears.
7、在过去的几年内,常与完成时连用如:IhavelivedinChinainthelastfewyears.在过去的几年内我在中国住.13.bedifferentfrom与…不同besimilartothesameas14.itseemsthat+从句看起来好像……Itseemsthathehaschangedalot.看起来他好像变了许多。15.can'taffordtodosth.支付不起…… can'taffordsth.支付不起… 如:Ican'taffordtobuythecar./Ican'taffordth
8、ecar.我买不起这个辆小车。16.as+形容词/副词+assb+could/can尽某人的…能力如:Sherunsasfastasshecould/can.她尽她最快的能力去跑。17.IalwayshavetoworryabouthowIappeartoothers,andIhavetobeverycarefulaboutwhatIsayor
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