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1、小学英语语法知识讲解及专项强化练习（现在进行时）现在进行时态一、现在进行时的定义现在进行时是表示在现在某一时刻或某段时间正在进行的动作的时态。二、现在进行时的构成现在进行时由“系动词（am，is，are）+现在分词（动词加-ing形式）”构成。现在以动词work为例，对现在进行时的肯定句、否定句、疑问句及简略答语列表说明：肯定句否定句Iamworking.Iamnotworking.Youareworking.Youarenotworking.He/She/Itisworking.He/She/Itisnotworking.We/You/Theyareworking.We/You/Theyar
2、enotworking.疑问句简略答语AmIworking?Yes,youare.No,youarenot.Areweworking?Yes,we/youare.No,we/youaren’t.Areyouworking?Yes,Iam.No,Iamnot.Yes,weare.No,wearenot.Ishe/sheitworking?Yes,he/she/itis.No,he/she/itisnot.Aretheyworking?Yes,theyare.No,theyarenot.三、现在分词的构成1.一般在动词原形末尾加-ing。stay---stayingdo---doinglisten
3、---listening2.以不发音的字母e结尾的动词，先去掉e，再加-ing。make---makingride---ridinggive---giving3.以一个辅音字母结尾的重读闭音节词，先双写这个辅音字母，再加-ing。put---puttingsit---sittingrun---running1.以ie为重读音节结尾的单词，先去掉e，把i变为y，再加–ing。lie---lyingdie---dying二、现在进行时的用法1.表示现在或说话时正在进行的动作，常和下列时间状语连用：now,atthismoment,atpresent,thesedays(years),thister
4、m…有时也与look,listen等连用。例句：Look,whatarethemonkeyseating?看，那些猴子在吃什么？2.表示当前一直或反复在进行的动作或难以终止的动作。例句：Theyarerunningandjumpingallthetime.他们一直在跑啊跳啊。现在进行时态专项练习一、写出下列动词的现在分词形式stay__________work________take_________do__________listen__________suffer__________refuse__________close__________operate_________die____
5、_____spend_________look_________make__________put__________sit__________run__________tie__________give_________ride_________please_________win_________begin_________open_________lie_________一、用所给动词的适当形式填空1.MaryandLucyare________(dance)now.2.Listen!Someoneis_______(play)thepianointhenextroom.3.Heis__
6、________(sweep)theflooratthemoment.4.Look!Thecat________________(eat)thefishonthetable.5.A:______you_______(study)French?B:Yes,Iam.6.Sheoften____________(dance)afterschool.7.Myfatherandmother____________(swim)inthepond.8.Mysisteris________(fly)akiteinthegarden.9.Weare__________(watch)TVnow.10.Bequie
7、t!Thebaby___________(sleep)now.二、改错1.Wearecleanningourclassroom.______________________________2.Sheissinginthenextroom.______________________________3.Whatamyoudoing?______________________________4.Ma
