介词I.要点1、介词和种类(1)简单介词，常用的有at,in,on,about,across,before,beside,for,to,without等。(2)复合介词，如bymeansof,alongwith,becauseof,infrontof,insteadof等。2、介词和其他词类的习惯搭配关系(1)和动词的搭配，如agreewith,askfor,belongto,breakawayfrom,careabout等。(2)和形容词的搭配，如afraidof,angrywith,differentfrom,goodat(3)和名词的搭配，如answerto,keyto,reasonfor,causeof,visitto等.3、介词短语可以有自己的修饰语，这种修饰语通常有right,just,badly,all,well,directly,completely等少数几个副词。如：Hecamerightafterdinner.Helivesdirectlyoppositetheschool.4、某些介词的意义与用法举例(1)at,on,in(表时间)表示时间点用at,如atfouro'clock,atmidnight等；表示不确定的时间或短期假日也用at,如atthattime,atChristmas等。指某天用on,如onMonday,ontheendofNovember,指某天的朝夕用on,如onFridaymorning,ontheafternoonofSeptemberlst等。指长于或短于一天的时段用in,如intheafternoon,inFebruary,inSummer,in1999等。(2)between,among(表位置)between仅用于二者之间，但说三者或三者以上中的每两个之间的相互关系时，也用between,如I'msittingbetweenTomandAlice.Thevillageliesbetweenthreehills.among用于三者或三者以上之间。如：Heisthebestamongthestudents.(3)beside,besidesbeside意为"在…旁边"，而besides意为"除…之外"。如：Hesatbesideme.Whatdoyouwantbesidesthis?(4)inthetree,onthetreeinthetree指动物或人在树上，而onthetree指果实、树叶长在树上(5)ontheway,intheway,bytheway,inthiswayontheway指在路上intheway指挡道bytheway指顺便问一句inthisway用这样的方法(6)inthecorner,atthecornerinthecorner指在拐角内atthecorner指在拐角外(7)inthemorning,onthemorninginthemorning是一般说法onthemorning特指某一天的早晨(8)bybus,onthebusbybus是一般说法onthebus特指乘某一辆车II.例题例1Doyouknowanyotherforeignlanguage____English?AexceptBbutCbesideDbesides解析：A、B两项except等于but，意为"除了…"，C-beside意为"在…旁边"，不符合题意。而D-besides,意为"除了…之外，还有"。所以该题正确答案为D。该题意为：除了英语外，你还知道别的语言吗？例2Hesuddenlyreturned____arainynight.AonBatCinDduring解析：我们均知道，atnight这一短语，但如果night前有修饰词，表具体的夜晚，则要用介词on来修饰，故该题正确答案为A。例3I'mlookingforward____yourletter.AtoBinCatDon解析：该题正确答案为A。lookforwardto为固定搭配，意为"期望、盼望"。连词I.要点1、连词的种类(1)并列连词用来连接并列关系的词、短语或分句，如and,for,or,both…and,either…or,neither…nor等。(2)从属连词用来引导从句，如that,if,whether,when,after,assoonas等。除了从属连词(引导状语从句)外，还有其它可以用来引导从句的词类。它们是连接代词和连接副词(引导名词性从句)，关系代词和关系副词(引导定语从句)。2、常用连词举例(1)and和，并且Theydrankandsangallnight.(2)both…and和，既…也…BothmyparentsandIwentthere.(3)but但是，而I'msad,butheishappy.(4)either…or或…或…，要么…要么…Eitheryou'rewrong,orIam.(5)for因为Iaskedhimtostay,forIhadsomethingtotellhim.(6)however然而，可是Affirst,hedidn'twanttogothere.Later,however,hedecidedtogo.(7)neither…nor既不…也不Neithermyparentsnormyauntagreeswithyou.(8)notonly…but(also)不但…而且…Henotonlysingswell,butalsodanceswell.(9)or或者，否则Hurryup,oryou'llbelate.Areyouaworkeroradoctor?(10)so因此，所以It'sgettinglate,soImustgo.(11)although虽然Althoughitwaslate,theywentonworking.(12)assoonas一…就I'lltellhimassoonasIseehim.(13)because因为Hedidn'tgotoschool,becausehewasill.(14)unless除非，如果不Iwon'tgounlessitisfinetomorrow.(15)until直到…Hedidn'tleaveuntileleven.(瞬间动词用于not…until结构)Hestayedthereuntilele...
