现在进行时定义、构成、用法(精)

1、译林英语5B专项练习（现在进行时）姓名一、现在进行时的定义，构成，标志性词语定义：表示现在或现阶段正在进行或发生的动作或存在的状态。构成：由be（am/is/are+动词-ing形式构成标志性词语：1现在进行时通常用“now。2现在进行时 通常用“look。”3现在进行时.通常用“listen。”二、动词现在分词的构成规则1 一般情况下直接加thin k- _ sleep- _ study- _speak_say 一carry _2以不发音的字母e结尾的单词，去掉字母e,再加ingcome- _ make- _ leave- _ have- _ take- wake- take-3以重读闭音节

2、（重读闭音节即两个辅音中间夹一个元音并且重读的音节）结尾，呈现 辅，元，辅”结构的动词，双写末尾的辅音字母，再加ingstop- _get - sit - put- sit- _ run- shop swim三、现在进行时的用法（1）用来表示说话时正在进行或者发生的动作,（2）用来表示现阶段正在进行的动作（但说话时不一定在进行）四、现在进行时的句型变化1、 肯定式结构：主语+ be+动词-ing形式+其他例如： We are running now.2、 否定式结构：主语+ be+not+动词-ing形式+其他.例如： They aren ' t doing their homewor

3、k.例如：Is she havi ng En glish less on?t.回答：肯定 Yes, she is.否定:No, she isn? 特殊疑问句式结构：疑问词+be+主语+其他?例如:What is he doing now?回答： He is swimmi ng.（现在进行时）巩固练习1.Theboyisplayingbasketball.worksingplaystudyhavedancewritetakerunsitshopswim写岀下 列 动词的 现 在改按求要否定句：一般疑问句：肯定回答：否 定回答对 “is playing basketball提问：”对“Theboy

4、”提问：2.They否定句：aresingingintheclassroom.一般疑问句：肯定 回答否定回答：对 “are singing提问:对 “in the classroom提问： . 用 现 在 进 行 时 完1. Whatyou(do?2. I(sing an English song.(mend?3. What he4. He(mend a car.5. you(fly a kite? Yes,.6. she(sit in the boat?7. you(ask questi ons?8. We(play games now.9. What are you(do now? I(e

5、at bread.10. It' s nine o ' clock. My father(work in the office.11. Look, the boy(put the rubbish into the bin.12. he(clean the classroom?No, he isn ' t. He(play.13. Where is Max? He(run on the grass.14. Listen, who(sing in the music room?Oh, Mary(sing there.1. Whoover there now?A.singin

6、gB.aresingC.issingingD2. It 's eight o ''clock. The studentsan English class.A.haveB.havingC.ishavingD.are3. Listen! The babyin the next room.A.cryingB.criedC.iscryingD.4. Look! The twinsnew sweaters.A.arewearingB.wearingC.arewearD.is5. Don ''talk here. Grandparents.A.issleepingB

7、.aresleepingC.sleepingD.四。选择6. Tom is a worker. Hein a factory. His sistersin a hospital.singhavingcrieswearingsleepA.work/workB.7. WhoEnglish best in your class?A.speakB.works/workspeaksC.work/worksC.speaking8. Mrs. Readthe windows every day.A.iscleaningB.cleanC.cleans9. Wemusic and oftento music.A.like/listenB.likes/listensC.like/arelistening10. Sheup at six in the morning.A.getB.getsC.getting11. On Sundays he sometimeshis clothesand sometimessome shopping.A.wash/doB.iswashing/isdoingC