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1、初一介词讲解及练习介词:介词是虚词,不能独立充当句子成分介词短语能够充当句子成分介词短语=介词+介词宾语(名词、宾格代词、动名词等充当)根据词形,介词分为三类:1简单介词:in,on,from,at,for合成介词:upon,into,onto,inside,without成语介词:由两个以上单词合成。infrontof,inthemiddleof,ontopof一、常用固定搭配的介词短语形式1.动词+介词looklike;lookat;talkto;thinkof2.be+形容词+介词besurprisedat;beafraidof3
2、.be+名词+介词bemadatsb;thekeyto;thewayto4.介词+名词atwork;athome;atschool;atlast;onthefarm5.介词+名词+介词infrontof;attheageof;attheendof6.介词+动名词短语afterleavingschool;afterfinishingit7.介词+代词forher;fromeachother;afterhim8.其他词+介词insteadof;becauseof;accordingto举例:1.Shelookslikehermother.2
3、.Yourcoatlooksverynice.What’sitmadeof?3.Wouldyoupleaseshowmethewaytothebank?4.Myfatherisworkingattheoffice...5.Don’tstandinfrontofthecar.It’stoodangerous.6.Pleasetideyourschoolbagbeforeleavingschool.7.Itisdangerousforhertoswimalong.8.Whataniceday!Weshouldgosightseeingins
4、teadofwatchingTVinthehotel.常用介词用法:in的用法:1.inonat的用法区别:in表示一日中上午、下午、晚上或周、月、季、年on表示日、周日或特定某日中的一段时间at表示点钟,一日中的黎明、中午、黄昏、半夜等intheevening,intheweek,inAugust,inspring,in2013,inthreedaysonMonday,onMaythefirst,onarainyday,onJuly10,2013atfive,atnight,2.inintoinside的用法区别;Hespentabo
5、ut21hoursinspace.Chinasentamanintospace.YangLiweiwasinside.in的用法比较多,在这里只讲这三个有共同的意识:‘在...里’的区别in在上面句子里是介词,表示‘在...里’into强调由外及内的过程,而in不强调inside‘在...里面’..,有名词,介词,形容词,副词用法,在上面句子里是名词,而in不能表示这种意识3.in与after的用法区别;Wewentthereinsixdays.(过去时中in表....时间内)Wewentthereaftersixdays.(过去时中a
6、fter表....时间后)Weoftendoourhomeworkafterschool.(固定词组,afterclass;aftersupper等)Afterfinishinghishomework,hewenttobed.(after+动名词)Hewillcomeintwodays.(将来时中in表....时间后)Hewillcomewithintwodays.(将来时within表....时间内)Mymotheroftengoestoworkafter8o’clock.(现在时中after+时间点表....时间后)4.in,on在
7、…上on表示两个物体的接触,但不表深度,如墙上的黑板、地图、图画in表示在…上必须具有某种深度,如墙上的门、窗、洞等on打在某人的头上、腿上、鼻子上等in打在某人的(脸上、腹部等)onthetree树上长出的东西inthetree用来指外界的人、动物在树上5.inwith的用法:in后所用的材料inink;inpencil;Don’twritealetterinpencil.with后加所用的工具Hedoeshishomeworkwithapencil.6.indresswear..Thegirlinthehatismyfriend.(
8、in或bein表状态)Shehadonareddress.(haveon表状态)Heoftenwearsasweater.(wear表状态)Hereisacoatforyou.You’dbetterputi