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2005-07-25 21:05:53

•   词形变化的形式共有四种:一般式;进行式;完成式;完成进行式
  动作或状态的时间性分为三个时段:现在;过去;将来
  四种词形形式和三个时段搭配成12种动词时态
  (1）一般现在时 动词形式：V/V-（e)s
     
  1) They go to work by bike every day。
     
  2) Does the moon move around the sun? Yes, it does。 
  3) He doesn't love sports。 
  4) We are all teachers from the country。
     
  5) The children don’t have enough food in Africa。 
  6) Do you go to see your uncle every other day?
   
  7) I am a student。
    
  8) My mother washes clothes everyday。
   
  9) Uncle Lee drinks a bottle of milk every night。
  10)The sun shines。
  （2）现在进行时 am/are/is+V-ing
  1）They are showing us around the farm。
     
  2）Are the students reading now？ 
  3）It isn't raining hard。 
  4）We are leaving on Friday。
  5) I am playing computer now。
    
  6) She is watching TV。
  7) The birds are singing in the tree。
  8) The telephone is ringing。
  9) Be quite!He is sleeping。
    
  10)She is drawing a picture。
  (3)一般过去时 V-(e)d
  1）My mother wasn't in last night。 
  2）We didn't watch TV last night。 
  3）The girl cried just now。
     
  4）We were middle school students last year。 
  5）Were you at home last night? Yes, I were。 
  6）Did you wash clothes last night? No, I didn't。
     
  7)It was sunny yesterday。
  8)It didn't rain yesterday。
  9)All the watermelons were eaten last week。
  10)She gave me a present last birthday。
    
  （4）一般将来时 shall/will+V   am/is/are+going to +V
  1）When will you be able to visit us again? 
  2）I won't be free tonight。 
  3）My sister will finish her middle school this year。
     
  4) I am going to school next year。
  5) I shall be doing it  at 6:00 tomorrow morning。
  6) She is going to study tomorrow。
    
  7) He is going to meet you at the airport。
  8) She will come back from London at the end of the year。
  9) I will call  you tonight。
    
  10)Will you go home this weekend?
  时间仓促,希望能帮上一点忙。
  。

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  九***

  2005-07-25 21:05:53

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