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新概念英语第一册语法总结:一般过去时

2011-12-18来源:和谐英语

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.

★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.