文档介绍：现在进行时: 表示正在进行的、发生的动作
通常在句子中有以下的词：now, look, listen.
句子的结构如下： be am
is +动词的“－ing”形式
are
如：1. I am listening to the music now.
2. The students are drawing pictures now.
3. Listen! She is singing .
4. Look! Mr Li is riding a bike.
其中，动词的ing形式变化规则：
: go-going , wash-washing,fly—flying
+单个辅音+e结尾 ， 去掉e加ing,如 ：drive—driving, ride--riding
：swim- swimming run—running
get--getting
一、请用所给词的适当形式填空。
1. Look! The boy __________ (read) books.
2. The girls___________ (have) breakfast now.
3. —___________ he___________ (clean) the blackboard?— No, he isn’t.
4. Tom ___________ (play) football on the playground at the moment.
5. Listen! They ___________ (sing) in the muisc room.
6. The boy ___________ (draw) a picture now.
7. Listen .Some girls ___________ (sing) in the classroom .
8. My mother ____________ (cook ) some nice food  now.  
9. My brother (make) a kite in his room now.
10. ______you__________(fly) a kite? Yes, _______.
二、单项选择。
1. Some are ___ in the river and some are ___ games.
A. swiming, playing B. swimming, plaing C. swimming, playing
2. Look! The boy students are ___ football while the girls are ________.
A. playing, dance B. playing, dancing C. play, dancing
3. ________ he ______