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七年级英语专题——介词、连词仁爱版一.介词(一)表示时间的介词(1)at①接具体时间:eg.atsix,athalfpasttwo,attentotwelve②表示“在……时刻”;eg:atnoon,atmidnight(2)in①表示“在(某段时间段)之间”;eg.inJanuary,inamonth,inspring,in2005②在将来时中,表示“在某段时间之后”eg.Intenyears,IthinkI’llbeareporter.(3)on表示在具体的某一天或某一天的上午、下午或晚上等。eg.OnMonday,OnTuesdayafternoon,OnMay4th,OnthemorningofJuly6th(二)固定搭配的介词(1)动词+介词:lookafter,lookat,lookfor,laughat,listento,hearfrom,turnon,turnoff,waitfor,worryabout,thinkof,spend…on(2)介词+名词:bytrain,onfoot,attheendof,atlast,intheend,introuble,attable,atbreakfast,inhospital,intime,ontime,onone’swayto,withpleasure(3)be+形容词+介词:beafraidof,begoodat,begood/badfor,belatefor,beinterestedin,beangrywith,befullof,besorryfor二.连词(conj.)用来连接词与词或句与句(1)并列连词(用来连接平行的词、词组或分句)①表并列关系:notonly…butalso,neither…nor,and②表选择关系:or,either…or③表转折关系:but,while④表因果关系:for,so(2)从属连词(用来引导从句)①引导时间状语从句:after,before,when,while,as,until,till,since,assoonas②引导原因状语从句:because,as,since③引导目的状语从句:sothat,inorderthat④引导结果状语从句:sothat,so…that,such…that⑤引导比较状语从句:than,as…as