牛津英语8A unit3 知识点总结

UnitThree,重要知识点:1.Iwanttoexerciseandkeepfit.2.Comeon,Hobo.Letsenjoyourselves!3.Imhavingagreattimehere!4.KittysteacherMrWuinvitedmetojointheirschooltriptotheWorldPark.5.Itwasagreatdaybutwedidnotenjoyitatthebeginning.6.KittyandIdontfeelsickanymore.7.Itwasmadeofmetalandreallytall.,8.Whenthecoachstopped,weallgotoffquickly.9.Iwenttosomeveryinterestingplaces.10.Thewholeworldwasthereinfrontofus.11.KittysclassmateDanieltaughthimselfhowtomakeahomepage.12.Goandseeforyourself.13.Ididntlikethetravelingfromoneplacetoanotheratthebeginning.14.Didyoufeelfoodwasgoingtocomeupfromyourstomachformostthetrip?15.Iwanttositatthefrontofthebus!,16.Theschoolbusarrivesatmyschool.17.ThematchtakesplaceatSouthHillSchoolinMoonlightTownonSunday,7thNovember.18.Thewinnersreceivethecupandmedalsattheendofthefinal.19.Talktootherstudentsandteacherstofindoutwhattheyknowaboutyourschool.20.Writedowntheactivitiesyoucandoateachplace.21.Finally,workoutthecostofthetripperperson.22.Pleaseletusknowassoonaspossible.,语法知识,1.连词and，but，和orand，but和or都是并列连词，它们在句子中不独立担任句子成分，而只起连接词与词、短语与短语以及句与句的作用。1)and用来连接两个语法上相同的词、短语或句子，表示并列或附加关系。如：(a)EnglishandChinesearedifferentlanguages。(b)Ihelphimandhehelpsme。注：在连接人称代词时，通常按第二、第三、第一人称的顺序。如：TomandIaregoodfriends,2)but意思是“但是”，“然而”，“却”，可用来连接两个有对立或对照性关系的词、短语或句子，表示一种转折。如果连接两个相同的主语或两个相同的主语和动词，but后同样可以省去相同部分。如：(a)Helikessinging，buthissisterlikesdancing(b)Hehasthreesonsbutnodaughters他有三个儿子，但没有女儿。,3)or意思是“或者”，“还是”，表示一种选择关系。如：(a)Youcangotherebybusoronfoot(b)Youmaystayorgo注：or如果连接两个主语时，谓语动词的单复数形式与or后面的主语保持一致，即按照“就近原则”处理。如：(a)EitheryouorIwaswrong(b)JamesorHelenisgoingtotellusastory,2.动词+不定式结构在英语中，有些动词后可以跟上一个不定式，这个不定式在句子中充当宾语。常用这种结构的动词有：agree，choose，decide，hope，learn，plan，prepare，want等。如：(a)Wereplanningtostartnextweek.(b)Hechosetostayhomebecausehehadacold.(c)Hisfathe