学习现在进行时

现在进行时Present Continuous Tense (现在进行时）定义：现在进行时表示现在（说话瞬间）正在进行或发生的动作。肯定句式: 主+ be (am/is/are) + doing+其他。否定句式: 主+am/is/are+ not +doing+其他。疑问句式： Am/Is/Are+主+doing+其他？特殊疑问形式What+ am/is/are+主+ doing +其他？动词 v.-ing的构成形式1.一般在动词原形末尾加-ing2.以不发音的e结尾的动词，先去掉e，再加-ing3.以重读闭音节结尾的动词，如果末尾只有一个辅音字母，应先双写这个字母，再加-ing（辅-元-辅）动词现在分词的变化规则：动词现在分词由动词原形在词尾加-ing构成，根据其变化规则的不同，大体可以分为三种情况：.一般在动词末尾直接加ingthink-thinking sleep-sleepingstudy-studying speak-speakingsay-saying cry-crying.以不发音字母e结尾的动词，先去掉e,再加ing如:skate-skatinghave-havingride-ridingcome-comingmake-making dance-dancingwrite-writing take -taking leave-leaving.以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母， 应双写末尾的辅音字母，再加ing(也就是，以重读闭音节结尾，呈现“辅-元-辅”结构的动词，先双写末尾的辅音字母，再加ing)stop-stopping sit-sitting run-running forget-forgettinbegin-beginning cut-cutting get-getting hit-hitting set-setting swim-swimming fit-fittingdig-digging shop-shopping put-putting travel-travelling(可双写也可不双写)refer-referring prefer-preferring.以ie结尾的动词，把ie变成y再加ing如： lie-lying tie-tying die-dying拓展1.以重读闭音节结尾，呈现 “辅-元-辅”结构的动词，先双写末尾的辅音字母，再加-ing。初中学过的这类词常有：begin, cut, get, hit, run, set, sit, spit, stop, swim, beg, drop, fit, nod, dig, forget, regret, rid, refer, shop, put,现在进行时练习一、 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：_ 对“Theboy”提问：_二.造句:1).she,thewindow,open,now.(用现在进行时连词成句.)_2).is,who,thewindow,cleaning?(连词成句)_3).Sheisclosingthedoornow.(改成否定句)_ 4.)Youaredoingyourhomework.(用I作主语改写句子)_5).they,thetree,sing,now,under.(用现在进行时连词成句.)_6).TheYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)_三、单项选择（）1.我在照看孩子.(A)Iamlookingafterthebaby.(B)Imlookafteringthebaby.(C)Ilookamafteringthebaby.(D)Ilookingafterthebaby.()2._friendsmaking_akite.(A)I,me(B)My,my(C)My,me(D)His,his()3.Isthewoman_yellowyourteacher? (A)in(B)puttingon(C)wearing(D)having()4.Look!Thetwins_theirmotherdothehousework.(A)arewanting(B)help (C)arehelping(D)arelooking5._arethebirdsdoing?Theyaresinginginatree.(A)Who(B)What(C)How(D)Where()6.Isshe_something? (A)eat(B)eating(C)eatting(D)eats（)7.你在干什么? (A)Whatisyoudoing?(B)Whatareyoudo?(C)Whatareyoudoing?(D)Whatdoyoudo?)8.Whatareyoulistening_? (A)/(B)for(C)at(D)to()9.我正在听他说话. (A)Ilisteningtohim.(B)Imlisteningtohim.(C)Imlistentohim.(D)Imlisteninghim.()10.Theyare_theirclothes.(A)makeing(B)putting(C)putaway(D)puttingon()11.Listen!She_intheclassroom. (A)issinging(B)sing(C)tosing(D)issing()12.TodayJim_hiswhiteshirtandbrowntrousers.(A)isputtingon(B)wear(C)puton(D)iswearing)13._areyoueating?Imeating_meat. (A)What,some(B)Which,any(C)Where,not(D)What,a()14.They_TVintheevening.Theydotheirhomework.(A) arewatching(B)cantwatching(B) (C)dontwatch(D)dontwatching()15.Thechildren_football. (A)isplaying(B)areplaying(C)playthe(D)playa()16.Theyareflyingkites.(A)他们喜欢放风筝.(B)他们在放风筝吗?(C) 他们在放风筝(D)他们常放风筝.()17.Look,Theyareswimmingintheriver.Iwant_you.(A)togowith(B)gowith(C)helping(D)help()18.Look.Lucyis_anewbiketoday. (A)jumping(B)running(C)riding(D)takeing三、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答案1、 Theboyisnotplayingbasketball.Istheboyplayingbasketball. 肯定回答Yes,heis.否定回答No,heisnot2、 Sheisopeningthewindownow.Whoiscleaningthewindow?Sheisnotclosingthedoornow.Iamdoingyourhomework.Theyaresingingunderthetreenow. AretheYoungPioneershelpingtheoldwoman?3、 二单项选择 ACCCBBCDBDADABBCAB4、 三、用现在进行时完成下列句子: 1、aredoing2、amsinging3、ismending4、ismending5、AreflyingIam6、Issitting7、Areasking8、areplaying