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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：workworkingdodoing2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：getgettingshopshoppingrun
2、runningswimswimming4以ie结尾的重读闭音节词，将ie改成y再加ing。如：lielyingdiedying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：Theyarerunning.Theyarenotrunning.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：Theyarerunning.Aretheyrunnin?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：Theyareswimmingintheseanow.Whataretheydoingintheseanow?一、写出下列一、写出下列动词的
3、的现在分在分词。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 15. come 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.Theboy_(draw)apicture
4、now.2I_(read)Englishnow.3He_(go)totheparknow.4.Mymother_(cook)somenicefoodnow.5.They_(not,water)theflowersnow.6.We_(have)suppernow.7.Mymother_(clean)theroomnow.8What_you_(do)now?9Listen!Somegirls_(sing)intheclassroom.10Look!They_(have)anEnglishlesson.11Look!thegirls_(dance)intheclassroom.12Whatisour
5、grandmotherdoing?She_(listen)tomusic.13_Helen_(wash)clothes?Yes,sheis.14We_(have)anEnglishclass.15What_they_(do)?They_(sit)inthepark.（）1.Isyourmumcookdinner?Yes,she_.A.is B.are C.am（）2.Areyouspeakingtoyourteacher?Yes,_.A.Im B.IamC.Imnot（）3._yourclassmatesplayinggames?A.Am B.Are C.Is（）4.He_climbingmo
6、untains.A.amnotB.isntC.arent（）5.I_abooknow.A.amreadi_ngB.isreading C.reading（）6.Heclothesnow.A.iswashingB.arewashingC.washing（）7.We_anEnglishclassnow.A.havingB.are C.arehaving（）8.Sally_pictures.A.isdrawB.isdrawing C.drawing（）（）9.MikeandJohn_footballnow.A.playing B.isplayingC.areplaying（）10.Look,it_o
7、utside.A.snowing B.isplayingC.areplaying（）11.Listen!Theboys_an“ABC”song.A.singB.aresingingC.aresing（）12.Look,musicteacher_.A.isdanceB.dances C.isdancing（）13.Tomsdog_afteracat.A.isrunningB.isrunC.isruning（）14.Look,Jack_abike.A.ridesB.ridingC.isriding（）15.MaryandMay_exerciseunderthetreenow.A.takeB.are
8、takingC.taking（）16.Listen!Ourmusicteacher_thesongShaLaLa.A.singsB.singing C.issinging（）17.Look!Thepoliceman_thethief.A.stopsB.isstopingC.isstopping（）18.Ben_upnow.A.getsB.isgeting C.isgetting（）19.Whatareyoudoing?I_astone.A.moving B.ammovingC.moveing（）20.They_theirhomeworkintheroomnow.A.aredoB.aredoingC.aredoesing
