标题: 新概念英语第一册语法：一般过去时 [打印本页] 作者: 风清扬 时间: 2012-9-17 16:08 标题: 新概念英语第一册语法：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)
1.不含有be动词的句子，将动词变为过去式，动词过去式构成
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Streeta year ago.
King Streeta year ago.
2.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 Streeta year ago?
King Streeta year ago?
3.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 Streeta year ago.