新概念英語第一冊語法總結：一般過去時

一般過去時

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表示過去發生的動作或事件，常和表示過去的時間狀語連用，如yesterday, last night, the day before yesterday, 3 days ago...

含有be動詞的句子，將be動詞變爲過去式。am, is的過去式爲was, are的過去式爲were：
　　I was at the butcher's.
　　You were a student a year ago.
　　The teacher was very beautiful ten years ago.

★變疑問句將be動詞移動到句首
　　Were you at the butcher's?
　　Were you a student a year ago?
　　Was the teacher very beautiful ten years ago?

★變否定句在be動詞後面加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.

★特殊疑問句
　　What did you do?（必背）

不含有be動詞的句子，將動詞變爲過去式：
　　I finished my homework yesterday.
　　The boy went to a restaurant.
　　The Sawyers lived at King Street a year ago.

★變疑問句在句首加did，動詞變爲原型
　　Did you finish your homework yesterday?
　　Did the boy go to a restaurant?
　　Did the Sawyers live at King Street a year ago?

★變否定句在主語和動詞之間加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.