1、一、概念表示正在发生的事情或动作,常和now,look,listen连用。二、句子结构1be+动词现在分词(即:动词-ing形式),be+doing 是一个整体,不能分开。2be 随着主语的变化而变化,doing的变化规则根据现在分词的变化规律来定。三、动词现在分词的构成规律1一般情况下,在动词原形后直接加-ing;如:workworking dodoing2以不发音字母e结尾的动词,先去掉e再加-ing;如:dancedancingcomecoming3在重读闭音节(即:辅音元音辅音)的动词中,要先双写末尾的辅音字母,再加-ing;如:getgetting shopshoppingrunru
2、nning swimswimming4以ie结尾的重读闭音节词,将ie改成y再加ing。如:lielying diedying 四、现在进行时的各种句式变化1否定句方法:直接在be的后面加not。如:They are running.They are not running.2一般疑问句方法:直接把be放在主语的前面,其余位置不变。如:They are running.Are they runnin?3特殊疑问句方法:如果就划线部分提问事情或动作时,用Whatdoing?如:They are swimming in the sea now.What are they doing in the
3、sea now?一、写出下列动词的现在分词。一、写出下列动词的现在分词。1.play 11.fly 21.run 2.read 12.write 22.put 3.see 13.dance 23.get 4.clean 14.live 24.sit 5.study e 25.cut 6.go 16.make 26.swim 7.sing 17.like 27.stop 8.buy 18.have 28.begin 9.say 19.love 29.shop 10.eat 20.take 30.lie 二、用所给的动词的正确形式填空。1.The boy _ _(draw)a picture no
4、w.2I _ _ (read)English now.3He _ _(go)to the park now.4.My mother _ _(cook)some nice food now.5.They _ _(not,water)the flowers now.6.We _ _(have)supper now.7.My mother _ _(clean)the room now.8What _ you _(do)now?9Listen!Some girls _ _(sing)in the classroom.10Look!They _ _(have)an English lesson.11Lo
5、ok!the girls _ _(dance)in the classroom.12What is our grandmother doing?She _ _(listen)to music.13_ Helen _(wash)clothes?Yes,she is.14We _ _(have)an English class.15What _ they _(do)?They _ _(sit)in the park.()1.Is your mum cook dinner?Yes,she _.A.is B.are C.am()2.Are you speaking to your teacher?Ye
6、s,_.A.Im B.I amC.Im not()3._ your classmates playing games?A.Am B.Are C.Is()4.He _ climbing mountains.A.am notB.isntC.arent()5.I _ a book now.A.am readi _ ngB.is reading C.reading()6.He clothes now.A.is washingB.are washingC.washing()7.We _ an English class now.A.havingB.are C.are having()8.Sally _
7、pictures.A.is drawB.is drawing C.drawing()()9.Mike and John _ football now.A.playing B.is playingC.are playing()10.Look,it _ outside.A.snowing B.is playingC.are playing()11.Listen!The boys _ an“ABC”song.A.singB.are singingC.are sing()12.Look,music teacher _.A.is danceB.dances C.is dancing()13.Toms d
8、og _ after a cat.A.is runningB.is runC.is runing()14.Look,Jack _ a bike.A.ridesB.ridingC.is riding()15.Mary and May _ exercise under the tree now.A.takeB.are takingC.taking()16.Listen!Our music teacher _ the song Sha La La.A.singsB.singing C.is singing()17.Look!The policeman _ the thief.A.stopsB.is stopingC.is stopping()18.Ben _ up now.A.getsB.is getingC.is getting()19.What are you doing?I _ a stone.A.moving B.am movingC.moveing()20.They _ their homework in the room now.A.are doB.are doingC.are doesing