现在进行时PPT课件.ppt

现在进行时PPT课件25569Review of present continuous tense

现在进行时态
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现在进行时（The Present Continuous Tense）
（说话瞬间）正在进行或发生
的动作。如
The students are listening to the teacher.
He is watching TV now.
现在进行时态还可以表示当前一段时间内的活动或现
阶段正在进行的动作。如
We are working on a farm these days . I am writing a book this year.
(am/is/are)+动词ing形式构成的。
肯定式结构：主语+be+动词ing形式+其他.
否定式结构：主语+be+not+动词ing形式+其他.
一般疑问句式结构：Be+主语+动词ing形式+其他？
特殊疑问句式结构：疑问词+be+主语+其他？
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现在进行时基本结构
主语+be动词+动词现在分词
※
动词现在分词:动词原型+ing
Reading ,drinking,eating,meeting
thinking
※
特殊变化:，去e加ing
Writing,making

Sitting swimming putting running
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把下列句子变为进行时态：
mend a clock.

look at the blackboard.
drink tea.
and I do our homework.
make a kite for me.
We are mending a clock.
I am looking at the blackboard.
We are drinking tea.
He and I are doing our homework.
You are making a kite for me .
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She is running.
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He is playing computer games.
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She is flying a kite.
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He is thinking.
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They are drawing.
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They are swimming.
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