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洛阳学英语现在完成时(一)

发布时间:2015-12-09 15:11作者:新东升培训学校来源:网络 点击:
  洛阳学现在完成时(一)
 一般过去时和现在完成时 用法:
    补充过去发生并且已经完成的动作对现在造成影响或后果.
 过去某一时间开始并一直持续到现在的动作或状态.
句型
 基本结构:主语+have/has+过去分词(done)
 ①肯定句:主语+have/has+过去分词+其他
 ②否定句:主语+have/has+not+过去分词+其他
 ③一般疑问句:Have/Has+主语+过去分词+其他
 ④特殊疑问句:特殊疑问词+一般疑问句(have/has+主语+过去分词+其他)
  
过去分词
 1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。四点变化规则:
 (1)、一般动词,在词尾直接加“ ed ”。
 work---worked---worked ,visit---visited---visited
 (2)、以“ e ”结尾的动词,只在词尾加“ d ”。
 live---lived---lived ,
 (3)、以“辅音字母 + y ”结尾的动词,将 "y" 变为 "i" ,再加“ ed ”。
 study---studied---studied ,cry---cried---cried ,
 play---played---played ,stay---stayed---stayed
 (4)、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。
 stop---stopped---stopped , drop---dropped--dropped
    
2 、不规则动词:
  AAA型
     原型 过去式 过去分词
  burst burst burst
  cast cast cast
  cost cost cost
  cut cut cut
  hit hit hit
  hurt hurt hurt
  put put put
  set set set
  shut shut shut
  spread spread spread
  let let let
  AAB型
  beat beat beaten
  ABA型
  become became become
  run ran run
  come came come
  特殊情况
  read read read
  read原形发音为/ri:d/,过去式和过去分词发音为/red/
     ABB型
  bring brought brought
  buy bought bought
  build built built
  burn burnt burnt
  catch caught caught
  dig dug dug
  feel felt felt
  fight fought fought
  find found found
  hear heard heard
  hold held held
  keep kept kept
  lay laid laid
  lead led led
  lose lost lost
  make made made
  meet met met
  sell sold sold
  shoot shot shot
  sit sat sat
  stand stood stood
  sweep swept swept
  teach taught taught
  tell told told
  think thought thought
  win won won
  ABC型
  begin began begun
  blow blew blown
 用法
  (1)现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在.
  I have spent all of my money.(含义是:现在我没有钱花了.)
  Jane has laid the table.(含义是:现在桌子已经摆好了.)
  Michael has been ill.(含义是:现在仍然很虚弱)
  He has returned from abroad. (含义是:现在已在此地)
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