时态——现在进行时
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现在进行时
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。
句中一般有以下时间状语：now, look, listen, Look at… It’s …. 等等表示当下的词语。
2．现在进行时的肯定句
基本结构：主语+be+ 动词ing.
如： I am eating.
现在进行时的否定句基本结构：
主语+be not + 动词ing.
如： I am not eating.
现在进行时的一般疑问句基本结构：
be动词 +主语 +动词ing?
如： Are you eating?
现在进行时的特殊疑问句基本结构：
疑问词+ be +主语+动词ing?
如：What are you doing?
但疑问词当主语时，其结构为：
疑问词+ be + 动词ing?
如：Who is eating?
Who is singing in the classroom?
动词加ing（动词现在分词）的变化规则
动词现在分词构成：动词原形+ing，规则如下：
1 一般情况下直接加ing
think--thinking sleep--sleeping study--studying speak--speaking say--saying
rain-raining
carry--carrying
2 以不发音的字母e结尾的单词,去掉字母e，再加ing
come--coming make--making leave--leaving have--having take--taking
wake--waking
write-writing
3 以重读闭音节（重读闭音节即两个辅音中间夹一个元音并且重读的音节）结尾，呈现 “辅，元，辅”结构的动词，双写末尾的辅音字母，再加ing
stop--stopping sit--sitting run--running shop-shopping
这类词还有： cut, get, run, set, sit, stop, swim, hit, beg, spit,drop, fit, nod, dig, forget, regret,
rid, bigin， 等。
forget--forgetting begin--beginning
4 以ie结尾的动词，把ie改为y ，再加ing
die--dying lie--lying
现在进行时专项练习：
一、写出下列动词的现在分词：
1.play________2.run__________3.swim_________
4.make__________5.go_________6.like________
7.write________8.ski___________9.read_______
10.have_________11.sing ________ 12.dance_________
13.put_________14.see________15.buy_________
16.love____________17.live_______18.take_________
e ________ 20.get_________21.stop_________
22.sit ________ 23.begin________ 24shop___________
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 grandma 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)
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3．I’m playing football on 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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