小学英语时态语法现在进行时一般现在时时态讲解PPT课件.pptx

现在进行时
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一、现在进行时的定义：表示现在正在进行或发生的动
作 。（句中一般含有now, 单独的look或 listen出现
在句首.）
二、它的结构：be + 动词ing 形式
三、动词加ing的变化规则
1．一般情况下，直接加ing，如：cook-cooking
2．以不发音的e结尾，去e加ing，如：make-making,
taste-tasting
3．重读闭音节且只有一个辅音字母结尾的，应双写末
尾的辅音字母，再加ing，如：run-running,
stop-stopping
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一、写出下列动词的现在分词：
1 play_____________ 2 run____________
3 swim ____________ 4 make__________
5 go _____________ 6 get____________
7 write_____________ 8 sing_____________
9 read_____________ 10 have___________
Exercise1
playing
running
swimming
making
going
getting
writing
singing
reading
having
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1、现在进行时的肯定句【主语+be( am, is, are)+现在分词+其
它. 】
3、现在进行时的一般疑问句把be动词调到句首【Be(am,
is, are) +主语+现在分词+其它？ 】
Tom is not reading books in his study .
Is Tom reading books in his study ？
句式：
如：Tom is reading books in his study .
2、现在进行时的否定句在be后加not。
如：Tom is reading books in his study .
如：Tom is reading books in his study .
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4、现在进行时的特殊疑问的基本结构为：【疑问词+be(am,
is, are)+主语+现在分词+其它？ 】
如：What is Tom doing in his study?
Where is Tom reading books?
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Exercise2
一、用所给的动词的正确形式填空：
boy __________________ ( draw)a picture now.
2. Listen .Some girls _______________ ( sing)in the classroom .
3. Look !They _______________( run) on the playground .
二、句型转换：
They are doing housework .(分别改成一般疑问句和否定句)
一般疑问句： _____they_____housework?
否定句：They _____ _____ doing housework.
students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)
一般疑问句：____ the students _______ the classroom?
肯定回答： _____,they ____.
否定回答：_____, they _____.
is drawing
are singing
are running
Are
doing
are
not
Are
cleaning
Yes
are
No
aren’t
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’m playing the football in the playground .(对划线部分进行提问)
①先改一般疑问句:
____ you____ the football in the playground?
②其次找疑问代词:
划线问的是‘在操场上’ 就选择疑问代词‘_______’
③再次把疑问代词放在①的前面并去掉