文档介绍：现在进行时
Objectives:
一、现在进行时的含义二、现在进行时的结构(重点)
三、现在进行时的标志四、动词现在分词的构成规则(重点)
五、现在进行时的否定句、一般疑问句及特殊疑问句的句式变换(难点)
Teaching Procedure:
Task 1. 现在进行时含义：
现在进行时态表示 _______（说话瞬间）______进行或发生的动作。
Task ’m standing on the Great Wall of China and talking to you.
Tony is eating a delicious ice cream.
Wang Hui is taking some photos.
Lingling is buying a few presents.
Daming is having lunch and lying in the sun.
We’re enjoying the school trip a lot. They’re working.
People aren’t having dinner. Children are starting their lessons.
现在进行时的基本结构:______________________________
Task 3. 现在进行时的标志：
look, listen, now是标志，be + Vt. ing不分离。
两个错误要回避，一是掉be,二是掉ing.
Task (V-ing)构成:
1.）一般在动词原型后加ing
如:　read----reading ; eat---eating ; listen--- listening；jump---jumping ; 　
2.）以不发音e结尾的动词，去掉e再加ing
如:write ---writing ; 　make--- making ; ride---riding ; take---taking
3.）以辅音字母+元音字母+辅音字母(辅元辅）结尾的重读闭音节结尾的动词，双写末尾的辅音字母再加ing　例如:sit---sitting ; swim---swimming ;
put--- putting ; run--- running；get---getting
4.）特殊变化：lie--lying
跟踪检测： child __________the windows now.(open)
boy _________ a picture now.(draw)
! She __________ a book.(read)
___________an e-mail to my pen pal now.(write)
________ your homework at home now.(do)
___________ at school now.(run)
____________ TV now.(watch)
Task ：
1.）肯定句转换成否