现在进行时的专题练习
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2．现在进行时的肯定句基本结构为be（is/am/are）+动词ing. 3．现在进行时的否定句在be后加not。 4．现在进行时的一般疑问句把be动词调到句首。 eg. He is doing his homework now?——Is he doing his homework now? 5．现在进行时的特殊疑问的基本结构为： 疑问词+ be + 主语+ 动词ing? eg. Where are you going? 但疑问词当主语时其结构为： 疑问词+ be + 动词ing? eg. Who is singing? 6. 标志词：Look! Listen! now 动词现在分词的变化见下表： 词尾情况 变化方式 例词 一般情况 加—ing play玩—playing do做—doing go去—going jump跳—jumping sing唱—singing ski滑雪—skiing see看见--seeing 以不发音的e结尾 去e加—ing make做—making take拿到—taking like喜欢—liking come来—coming write写—writing dance跳舞—dancing have有—having close关—closing 以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母 双写最后一个辅音字母再加—ing swim游泳—swimming sit坐—sitting run跑—running get得到—getting put放—putting begin开始—beginning jog慢跑—jogging
一、写出下列动词的现在分词： play________ run__________ swim _________ make__________ go_________ write________ ski___________ read________ have_________ 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. Listen .Some girls _______________ (sing)in the classroom . 2. What _____ you ______ ( do ) now? 3. Look . They _______________( have) an English lesson . 4.They ____________(not ,water) the flowers now. 5.Look! the girls ________________(dance )in the classroom . 6.What is our granddaughter doing? She _________(listen ) to music. 7. It’s 5 o’clock now. We _____________(have)supper now 8.______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) _____________________________________________________________ 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) _________________________________________________________________ 4．Tom is reading books in his study . (对划线部分进行提问) _________________________________________________________________ |
