【before的详细用法】-查字典问答网
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  【before的详细用法】

  before的详细用法

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2020-12-2218:48
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林贞仪

  Before在英语中是一个比较常用的虚词,它既可作介词或副词用,也可作从属连词用.在近几年的高考试题中常常出现考查其从属连词用法的题目.下面就把其作为从属连词的用法归纳如下:

  1.表示“在…..之前就…..”.

  Maryhadfinishedherhomeworkbeforehermotherreturned.

  2.表示“过了多久后才……..,动作进行到什么程度才……”

  Themanalmostknockedmedownbeforehesawme.

  Theywalkedabout30milestothewestbeforetheysawavillage.

  Theyworkeddayandnightaboutthreedaysbeforeeverythingreturnedtonormal.

  3.表示“来不及;尚未…..就…”

  BeforeIcouldgetinaword,hehadmeasuredme.

  HeranoffbeforeIcouldstophim.

  SheleftthecompanybeforeIcouldhaveawordwithher.

  4.表示“刚…就…”

  Ihadhardlysatdownbeforethebellrang.

  5.表示“不知不觉就…..;还没弄清就……”

  TimepassedquicklyandthreemonthswentbybeforeAqiaoknewit.

  6.表示“宁愿…,决不…,与其…,毋宁….”常与will或would连用.

  IwoulddiebeforeIwouldtell

  I’dshootmyselfbeforeIapologizedtohim.

  Iwould/willdiebeforeIsurrender.

  7.表示“否则;以免”

  Doitnowbeforeyouforget.IwillwriteitdownbeforeIforgetit.

  8.用于句型“itwas+时间段+before…”表示“过了多久才…”

  Itwasthreedaysbeforehecameback..

  9.用于句型“itwasnotlong+时间段+before…”意为“不久就….”

  Itwasnotlongbeforehesensedthedangeroftheposition.

  10.用于句型“itwillbe(not)+时间段+before….”表示“要过多久/不久…才…”

  Itwillbehalfayearbeforeyougraduatefromthisschool.

  Itwillbenotlongbeforeyoufindyouarewrong.

2020-12-22 18:51:47
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