标签：初二英语教案,八年级上册英语教案,新目标八年级英语教案,http://www.deyou8.com
八年级英语Writing and More practice语法重难点讲解,
三. 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)
不含有be动词的句子，将动词变为过去式，动词过去式构成见附录
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，动词变为原形
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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