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--Jessie1、about关于DoyouknowsomethingaboutTom？Whataboutthiscoat？（……怎么样）•2，after在……之后，表时间I’mgoingtoseeyouaftersupper.Tomlookedafterhissickmotheryesterday.（照看）•3、across横过Canyouswimacrosstheriver.•4、against反对Areyoufororagainstme?Nothingcouldmakemeturnagainstmycountry.（背叛）•5、along沿着Wewalkedalongtheriverbank.6、before在……之前Ihopetogettherebeforeseveno’clock.Itlooksasthoughitwillsnowbeforelong.（不久）7、by到……时，和完成时连用WehadlearnedtenEnglishsongsbytheendoflastterm.8、except除了Everyoneexceptyouansweredthequestioncorrectly.9、over在…正上方,above在上方Thereisabridgeovertheriver.TomgoesoverhisEnglisheveryday.（复习）10、round/around围绕Thestudentsstandaroundtheteacher.up•向上,往上;向楼上Theyhungthemapup.他们把地图挂起来。•2.在上面;在楼上Shelivestwofloorsup.她住在再往上两层。•3.(价格、水平等)上升,上扬Pricesforconsumergoodsaregoingup.消费品价格在上涨•6.向前;靠近Hecameuptomeandaskedmyname.他走到我面前,问我叫什么名字。•7.(程度)增加,增大Speakupsothateverybodycanhearyou.讲得响些,让大家都能听见。•8.彻底地,完全地Tomysurprise,shedrankupthewholebottleofwine.使我惊奇的是她把一瓶酒全喝了。•Eatup,finishup,useup,breakup,•Putupwith,wakeup,•三、常用易混淆介词辨析1、after/in皆可表示时间在……之后，其区别为：after1）表示“在某点时间之后”，用于将来时。如：We’llgooutforawalkaftersupper.2）表示“一段时间之后”，用于过去时。如：Mymothercamehomeafterhalfanhour.in表示“一段时间之后”，用于将来时。如：We’llgotoschoolintwoweeks.2、in/by/with/throughHewritesinblackink.（用……材料，语言）Theguardcutonebootopenwithaknife.（具体的工具）Shealwaysgoestoschoolbybike.（用……手段，抽象性的）Iobtainedtheinformationthroughafriend.(通过…媒介方法）3、besides/exceptWehaveseenthecrocodilebesidesLiFang.（除……之外，还有）全部计算在内WeareallChineseexceptTominourclass.（除……之外）不计算在内6、on/over/aboveThereisaboatonthedesk（在某物面上，与此物接触。）Thereisabridgeovertheriver.（在某物正上方，与此物不接触，或横在某物上，或覆盖在某物上。）Shespreadaclothoverthetable.Heheldhisheadsabovehishead.（“在……上”，强调“高于。”）7、of/forIt’skindofyoutocometoseeme.（既说明不定式本身特点，又说明逻辑主语的品性）It’simportantforyoustudentstolearnEnglishwell.（只说明不定式本身的特征）8、of/about/on表示“谈及，论述”DoyouknowofAmericansingerJohnDenver?（涉及浅层关系）Ihaveneverheardabouthim.（表示谈论等深一步的关系）Thisbookisongrammar.（以……为主要内容）9、despite=inspiteof（介词）/although（连词）despite是介词，后面接名词或动名词，不能跟句子although是连词，后面要跟句子。AlthoughIwasillyesterday,Istillwenttoschool.Despitefailureintheexam,Istillhaveachancetowinintheterm.10、as/likeas1）用作介词时意思为“作为……，充当”如：Sheactedasaninterpreter.2）用作连词时意思为“像……一样；当，由于”Asitwascold,Ididn’tgooutside.like用作介词，意思为像……一样Johnsingslikeanightingale.11、byday（指白天）/bytheday（按日计算）IworkedherebydayandIampaidbytheday.如何美化你的文章•1，尽量用短语•Englishisveryimportant,soweshoulduseourtimefullytolearnitwell•改为Englishplaysanimportantpartinourlife,soweshouldmakegooduseofourtimetolearnitwell•Shethankedhimmuch,becausehetriedtohelpher.•改为Shewasverythankfultohim,becausehemadeagreatefforttohelpher.•2,使用不同的表达方式•Everyoneofushashisinterest.Somelikemusic.Somelikesports.Somelikechatting.Somelikeplayingcomputergames.•改为Everyoneofushashisowninterest.Somelikemusicandsomearefondofsports.Someenjoychattingandsomearecrazyaboutcomputergames.•3,尽可能使用过度性连接词•如Asyouknow……….What’smore,……..•However,……..What’sworse…..Totellyouthetruth….Atthesametime……•4,尽可能多使用高级表达原则，如•战士们的努力才使我们村庄恢复正常。•Itwasthesoldiers’greateffortsthatmadeeverythinginourvillagereturntonormal.•这个中年妇女满含眼泪地凝视着照片。•Themiddle-agedwomanstaredatthephotowithtearsinhereyes.•强调句，with结构，定语从句，状语从句，倒装句等。