现在进行时变化规则与练习.doc

现在进行时变化规则与练习
1．现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。
2．现在进行时的肯定句基本结构为be+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。
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?
但疑问词当主语时其结构为：
疑问词 + be + 动词ing?
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．英语重读闭音节就是闭音节中为重读音节的音节，重读闭音节中元音字母不是发它本身的字母音，而是发短元音。
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
4 以－ie结尾的动词，把变成y再加－ing
lie ----- lying
tie ----- tying
die ----- dying
元音：a e i o u
辅音：b c d f g h j k l m n p q r s t v w x z
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)
______________________________________________
____________________________________________________________
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)