过去进行时讲解.ppt

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过去进行时:
I was walking down the street
when it began to rain.
When it began to rain
I was walking
now
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I was walking down the street
when it began to rain.
I was not walking down the street
when it began to rain.
Were you walking down the street
when it began to rain?
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1关键词:was/were doing
2、句子结构:
肯定句:主语+was/were+现在分词+其他
否定句:
主语+was not/were not+现在分词+其他
疑问句:was/were+主语+现在分词+其他
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⑴肯定句:主语+ was/were + (doing) + 其他.
I was playing basketball at 6:30 yesterday.
He was playing the piano at that moment.
They were doing homework at 8:00 last night
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(2)否定句:主语+ was/were + not + (doing) + 其他
I wasn’t playing basketball at 6:30 yesterday.
He wasn’t playing the piano at that moment.
They weren’t doing homework at 8:00 last night.
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⑶一般疑问句: Was/Were + 主语+ (doing) + 其他
Were you playing basketball at 6:30 yesterday?
---Yes, I was./No, I wasn’t.
Was he playing the piano at that moment?
---Yes, he was./No, he wasn’t.
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⑷特殊疑问句: 特殊疑问词+ 一般疑问句
What were you doing at 8:00pm yesterday?
Where was he working at that time?
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3、标志性词语
(1)at that time. at that moment. yesterday evening
(2)以when引导的谓语动词是一般过去时的时间状语
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II:用法
1. 表示过去某一时刻正在进行的动作。
今天下午5点的时候,他在打篮球。
He was playing basketball at 5 this afternoon.
当我进去的时候,她正在写一篇作文。
She was writing position when I entered.
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