文档介绍：What is the girl doing now ?
What is the boy doing now ?
What is the bear doing now ?
She is running now .
He is jumping now .
He is skiing now .
Revision 回顾
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Present continuous tense
现在进行时
am/is/are + v-ing
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What was the girl doing at 6:00 yesterday ?
She was running at 6:00 yesterday.
What was the boy doing at 7:00 yesterday?
He was jumping at 7:00 yesterday.
What was the bear doing at 8:00 yesterday?
He was skiing at 8:00 yesterday.
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She was eating
choudoufu.
They were eating yangrouchuan.
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The Past Continuous Tense (过去进行时)
基本结构:
was / wasn’t were / weren’t
doing
+
Sb+
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______/_______/______and ______+ was doing.
______, ______ and ______+ were doing
Work out the rule
I she he it
we you they
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基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。
基本结构
主语+was/were + doing +其他内容
注:doing 就是现在分词，词形变化与现在进行时相同
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★ 时间段： from … to … + 过去时间
过去进行时主要表示：
￭ 在过去某一时刻正在进行的动作
（a） They were eating breakfast at 7:00 am yesterday .
（b） I was writing a letter at this time last Sunday .
★at+时间点, at this time, at that time + 过去时间
￭ 在过去某一段时间一直在进行的动作
（a） From 1983 to 1998 , he was teaching at Yale .
（b） They were building a cinema last winter .
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动词加-ing 的变化形式
规则
示例
1、一般情况下，动词后直接加-ing
working, buying, visiting, talking, saying
2、以不发音的e 结尾的动词，去掉e，然后加-ing
taking, having, leaving, driving, writing, making
3、以辅音字母＋元音字母＋辅音字母结尾的重读闭音节，双写末尾辅音字母，然后加-ing
stopping, shopping, sitting, getting
4、特殊变化
lie--lying die-dying tie-tying picnic - picnicking
注意：若结尾的辅音与元音字母组合发一个音，就直接加-ing。
如：draw-drawing, play-playing
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用法
1. 过去进行时的基本用法主要表示过去某一时间正在进行的动作。
如：
He fell asleep when he was reading.
他看书时睡着了。
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