1.含义：表示现在正在进行或一含义：表示现在正在进行或一段时间正在进行的动作标志词：段时间正在进行的动作标志词：now, look, listen等。等。2.构成：构成：be +V-ing 现在进行时的含义与构成现在进行时的含义与构成He is reading a book.3.V-ing 变化规则：变化规则：1）一般加）一般加 ing . 如如: play-playing watch-watching2)以不发音的以不发音的e 结尾结尾,去去e 加加ing. 如如: take-taking come-coming3)元元+辅结尾辅结尾,且是重读闭音节的单词且是重读闭音节的单词,双双写辅音字母写辅音字母+ing. 如如:run-running swim-swimming 练习练习1.1.写出下列动词的写出下列动词的inging 形式形式. .1.help_ 1.help_ 2.come_2.come_3.swim_ 3.swim_ 4.eat_4.eat_5.give_ 5.give_ 6.find_6.find_7.sit _ 7.sit _ 8.write8.write_What is he doing?He is playing basketball.What is the boy doing？He is singing.-Is the woman writing?-No, she isnt. She is reading a book.-Whatre they doing?-Theyre swimming.-Are they swimming?-Yes, they are.-Are they singing? -No, they arent. They arent singing. They are dancing.Are they _a book?No, they _._ are they_ ?Theyre _. reading arentWhatdoingwritingIs the girl _(get) up?No, she _.What _ she _?She _ _.getting isntisdoingis sleeping2.2.否定句：直接在否定句：直接在bebe后加后加not.not. 如：如：I am writI am writinging. . I am I am notnot writ writinging. .现在进行时的句式现在进行时的句式1.1.肯定句肯定句: : 主语主语+be +be +v-ingv-ing+ +其它其它. . 如如: I : I amam read readinging a book. a book.3.3.一般疑问句及回答一般疑问句及回答: :问句问句, ,直接把直接把bebe提前提前, ,肯定回答肯定回答:Yes,:Yes,主语主语 +be +be 否定回答否定回答: No,: No,主语主语+be+not+be+not-Are you draw-Are you drawinging ? ?-Yes,I am./No, Im not.-Yes,I am./No, Im not.一一.用所给动词的适当形式填空用所给动词的适当形式填空.1.Look! The cat_(run)up the tree.2.The twins_(have)breakfast.3.-_he _(clean) the blackboard? -No,he isnt.4.Tom_(play)the piano in the room.Please ask him to come here.5.Listen! They_(sing)in the classroom.is runningis runningare havingare havingIsIs cleaningcleaning is playingis playing are singingare singing 汉译英汉译英1.我们正在看电视我们正在看电视.2.他们正在打扫教室他们正在打扫教室.3.汤姆正在吃早饭汤姆正在吃早饭.4.那对双胞胎正在睡觉那对双胞胎正在睡觉.We are watching TV.They are cleaning the classroom.Tom is having breakfast.The twins are sleeping.5.男孩子们正在踢足球男孩子们正在踢足球.6.她正在铺床她正在铺床.7.我正在玩电脑游戏我正在玩电脑游戏.8.你们正在听磁带吗你们正在听磁带吗?The boys are playing soccer.She is making the bed.I am playing computer games.Are you listening to the tape? 二二.选择填空选择填空.1.My mother is _TV.A.looking at B.seeing C.reading D.watching2.-_you _a book? -Yes,I am.A.Do,read B.Are ,read C.Are ,reading D.Are ,looking3.Kate _,the others _.A.sing,listen B.is singing,is listening C.sing,are listeningD.is singing,are listening4.I _my eraser,but I cant _ it.A.look for ,finding B.am finding,look for C.am looking for,find D.find,look for三三.句型转换句型转换1.I am watering the flowers.(否定句否定句)2.Shes jumping now.(一般疑问句一般疑问句)3.The boys are playing cards.(划线提划线提问问)4.He is doing his homework.(复数句复数句)I am not watering the flowers.Is she jumping now?What are the boys doing?They are doing their homework.1、我的妈妈正在做早饭。、我的妈妈正在做早饭。My mother is making breakfast.2、我正要和我的朋友去看电影。、我正要和我的朋友去看电影。I am going to movies with my friend.3、他正在弹吉他吗？、他正在弹吉他吗？Is he playing the guitar?4、她不在拉小提琴。、她不在拉小提琴。She isnt playing the violin.5、她们在干什么？正在打篮球。、她们在干什么？正在打篮球。What are they doing? They are playing basketball.6、Lucy 和和Mary正在打排球。正在打排球。Lucy and Mary are playing volleyball.