英语自学网 发表于 2016-7-11 22:23:15

新概念英语第一册语法学与练:一般过去时

  一般过去时
          表示过去发生的动作或事件,常和表示过去的时间状语连用,如yesterday, last night, the day before yesterday, 3 days ago...
          含有be动词的句子,将be动词变为过去式。am, is的过去式为was, are的过去式为were:
          I was at the butcher's.
          You were a student a year ago.
          The teacher was very beautiful ten years ago.
          ★变疑问句将be动词移动到句首
          Were you at the butcher's?
          Were you a student a year ago?
          Was the teacher very beautiful ten years ago?
          ★变否定句在be动词后面加not
          I was not at the butcher's.
          You were not a student a year ago.
          The teacher was not very beautiful ten years ago.
          ★肯定回答否定回答
          Yes, I was. / No, I was not.
          Yes, you were. / No, you were not.
          Yes, he/she was. / No, he/she was not.
       
            
            

enfour 发表于 2016-7-11 23:45:59


          ★特殊疑问句
          What did you do?(必背)
          不含有be动词的句子,将动词变为过去式:
          I finished my homework yesterday.
          The boy went to a restaurant.
          The Sawyers lived at King Street a year ago.
          ★变疑问句在句首加did,动词变为原型
          Did you finish your homework yesterday?
          Did the boy go to a restaurant?
          Did the Sawyers live at King Street a year ago?
          ★变否定句在主语和动词之间加did not
          I did not finish my homework yesterday.
          The boy did not go to a restaurant.
          The Sawyers did not live at King Street a year ago.
          ★肯定回答及否定回答
          Yes, I did. / No, I didn't.
          Yes, he did. / No, he didn't.
          Yes, they did. / No, they did not.
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