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．如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping

　　现在进行时专项练习：

　　一、写出下列动词的现在分词：

　　play________ run__________ swim _________make__________

　　go_________ like________ write________ _ski___________

　　read________ have_________ sing ________ dance_________

　　put_________ see________ buy _________ love____________

　　live_______ take_________ come ________ get_________

　　stop_________ sit ________ begin________ shop___________

　　二、用所给的动词的正确形式填空：

　　1.The boy __________________ ( draw)a picture now.

　　2. Listen .Some girls _______________ ( sing)in the classroom .

　　3. My mother _________________ ( cook )some nice food now.

　　4. What _____ you ______ ( do ) now?

　　5. Look . They _______________( have) an English lesson .

　　6.They ____________(not ,water) the flowers now.

　　7.Look! the girls ________________(dance )in the classroom .

　　8.What is our granddaughter doing? She _________(listen ) to music.

　　 9. It's 5 o'clock now. We _____________(have)supper now

　　10.______Helen____________(wash )clothes? Yes ,she is .

　　三、句型转换：

　　1. They are doing housework .(分别改成一般疑问句和否定句)

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　　2．The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)

　　　　3．I'm playing the football in the playground .(对划线部分进行提问)

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　　4．Tom is reading books in his study . (对划线部分进行提问)

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