1、一、概念 表示正在发生的事情或动作 ， 常和now ， look ， listen连用,二、句子结构 1be + 动词现在分词（即：动词-ing形式） ， be + doing 是一个整体 ， 不能分开 。
2be 随着主语的变化而变化 ， doing的变化规则根据现在分词的变化规律来定,三、动词现在分词的构成规律 1一般情况下,在动词原形后直接加-ing； 如：workworking dodoing 2以不发音字母e结尾的动词 ， 先去掉e再加-ing； 如：dancedancingcomecoming 3在重读闭音节（即：辅音元音辅音）的动词中 ， 要先双写末尾的辅音字母 ， 再加-ing； 如：getgetting shop 。

【现在|现在进行时复习】2、shoppingrunrunning swimswimming 4以ie结尾的重读闭音节词 ， 将ie改成y再加ing 。
如：lielying diedying,四、现在进行时的各种句式变化 1否定句 方法：直接在be的后面加not 。
如： They are running.They are not running. 2一般疑问句 方法：直接把be放在主语的前面 ， 其余位置不变 。
如：They are running.Are they runnin? 3特殊疑问句 方法：如果就划线部分提问事情或动作时 ， 用Whatdoing? 如：They are swimming in the sea now. W 。

3、hat are they doing in the sea now,一、写出下列动词的现在分词,二、用所给的动词的正确形式填空 。
1. The boy ________ _________ (draw) a picture now. 2I ____ _____ (read) English now. 3He ______ _______ (go) to the park now. 4. My mother _______ __________ (cook) some nice foodnow. 5. They ________ ____ (not ,water) the flowers now 。

4、. 6. We ______ _______(have) supper now. 7. My mother __________ ________ (clean) the room now. 8What _____ you ______ ( do ) now,9Listen! Some girls _______ ________ (sing) in the classroom. 10Look! They _______ ________ (have) an English lesson. 11Look! the girls ________ ________ (dance) in the c 。

5、lassroom. 12What is our grandmother doing? She _______ __ (listen) to music. 13______ Helen __________ (wash)clothes? Yes,she is. 14We ________ ________ (have) an English class. 15What ________ they ______ (do) ? They_______ ________ (sit) in the park,）1. Is your mum cook dinner? Yes,she ___. A. is。

6、B. areC. am （ ）2. Are you speaking to your teacher? Yes, ___ . A. ImB. I amC. Im not （ ）3. ___ your classmates playing games? A. AmB. AreC. Is （ ）4. He ___ climbing mountains. A. am notB. isntC. arent （ ）5. I ___ a book now. A. am readi ___ ngB. is readingC. reading （ ）6. He clothes now. A. is washi 。

7、ngB. are washingC. washing （ ）7. We ___ an English class now. A. havingB. areC. are having （ ）8. Sally ___ pictures. A. is drawB. is drawingC. drawing（,）9. Mike and John ___ football now. A. playingB. is playingC. are playing （ ）10. Look, it ___ outside. A. snowingB. is playingC. are playing （ ）11.。

8、Listen! The boys ___ an “ABC”song. A. singB. are singingC.are sing （ ）12. Look, music teacher ___ . A. is danceB. dancesC. is dancing （ ）13. Toms dog ___ after a cat. A. is runningB. is runC. is runing （ ）14. Look, Jack ___ a bike. A. ridesB. ridingC. is riding （ ）15. Mary and May ___ exercise under 。

9、 the tree now. A. takeB. are takingC. taking,）16. Listen! Our music teacher ___ the song Sha La La. A. singsB. singingC. is singing （ ）17. Look! The policeman ___ the thief. A. stopsB. is stopingC. is stopping （ ）18. Ben ___ up now. A. getsB. is getingC. is getting （ ）19. What are you doing? I ___ a stone. A. movingB. am movingC. moveing （ ）20. They ___ their homework in the room now. A. are doB. are doingC. are doesing 。

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