四年级英语语法：现在进行时

现在进行时态一.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。二.构成：由be(am/is/are)+动词-ing形式构成三.标志性词语：现在进行时.通常用now,look,listen等词。四.动词现在分词的构成规则1一般情况下直接加ing（直）think---thinkingsleep---sleepingstudy---studyingspeak---speakingsay---sayingcarry---carrying2以不发音的字母e结尾的单词,去掉字母e，再加ing（去）come---comingmake---makingleave---leavinghave---havingtake---takingwake---wakingtake---taking3以重读闭音节（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ing（双）stop---stoppingget---gettingsit---sittingput---puttingsit---sittingrun---runningshop------shoppingswim------swimming五、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）六、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：Wearerunningnow.2、否定式结构：主语+be+not+动词-ing形式+其他.例如：Theyaren’tdoingtheirhomework.3、一般疑问句式结构：Be+主语+动词-ing形式+其他？例如：IsshehavingEnglishlesson?回答：肯定Yes,sheis.否定:No,sheisn’t.4、特殊疑问句式结构：疑问词+be+主语+其他？例如:Whatishedoingnow?回答：Heisswimming.现在进行时态练习题一.选择题1.Who_____overtherenow?A.singingB.aresingC.issingingD.sing2.It’seighto’clock.Thestudents_____anEnglishclass.A.haveB.havingC.ishavingD.arehaving3.Listen!Thebaby_____inthenextroom.A.cryingB.criedC.iscryingD.cries4.Look!Thetwins_____newsweaters.A.arewearingB.wearingC.arewearD.iswearing5.Don’ttalkhere.Grandparents_____.A.issleepingB.aresleepingC.sleepingD.sleep二.用现在进行时完成下列句子1.What_________you__________(do)?2.I_____________(sing)anEnglishsong.3.What________he____________(mend)?4.He______________(mend)acar.5.______you__________(fly)akite?Yes,_____________.6.______she___________(sit)intheboat?7.______you_____________(ask)questions?8.We_______________(play)gamesnow.9.Whatareyou_________(do)now?I___________(eat)bread.10.It’snineo’clock.Myfather_______________(work)intheoffice.三.按要求改写句子1.Theboyisplayingbasketball.否定句：____________________________一般疑问句：_________________________肯定回答：______________________否定回答：______________________2.Theyaresingingintheclassroom.否定句：____________________________一般疑问句：_________________________肯定回答：____________________否定回答：______________________四、用所给动词的正确形式填空。1.Theboy______(draw)picturenow.2.Listen,Somegirls______(sing)intheclassroom.3.Mymother______(cook)somenicecakesnow.4.What______youalways______(do)onSaturday?5.Look,they______(have)anEnglishlesson.6.They______(sit)onthechairnow.7.Thegirlssometimes______(dance)intheclassroom.8.-Whatisourmotherdoing?-Sheis______(listen)tomusic.9.It’s5o'clocknow.We______(have)dinnernow.10.-______Helen______(wash)clothesnow?-Yes,sheis.11.MrZheng______(read)abooknow.12.Therabbits______(jump)now.13.Look!TomandJohnare______(swim).14.Mybrotheris______(read)abookinhisroomnow.15.Thebusesusually______(come)hereathalfpastfour.参考答案：温馨提示：以下内容为本公众平台老师在业余时间人工整理，如发现有错误，欢迎大家留言指正。一、CDCAB二、1aredoing2amsinging3ismending4ismending5Areflying,Iam.6Issitting7Areasking8areplaying9doingameating10isworking三、1.Theboyisn’tplayingbasketball.Istheboyplayingbasketball?Yes,heis.No,heisn’t.2.Theyaren’tsingingintheclassroom.Aretheysingingintheclassroom?Yes,theyare.No,theyaren’t.四、1.isdrawing2.aresinging3.iscooking4.do,do5.are6.aresitting7.dance8.listening9.arehaving10.Is,washing11.isreading12.arejumping13.swimming14.reading15.come