小学现在进行时讲解.ppt

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1、现在进行时现在进行时基本用法1.表示现在正在进行的动作和发生的事eg:---Whatareyoudoing?---Iamreadingabook.2.有时表示现阶段正发生的事,但此刻动作不一正在进行eg:Heisteachingattheschool.WearelearningUnit5thesedays.3.现在进行时的句子中常有now,或在句首常出现Look,Listen等提示词eg:Listen!Dannyissingingintheroom.Heisdoinghishomeworknow.1.含义

2、：表示现在正在进行的动作。2.标志词：now,look,listen等。3.构成：be现在分词（动词-ing）Heisreadingabook.现在进行时的句式1.肯定句:主语+be+动词-ing+其它.如:Iamreadingabook.swimming.IamYouareHeisSheisItisWeareTheyare主语（单数）is主语（复数）areHeisrunning.Sheisdancing.Itisjumping.Theyarerunning.2.否定句：直接在be后加not.如：Itis

3、raining.Itisnotraining.Itisn’training.注意：isnot=isn’tarenot=aren’tswimming.IamnotYouaren’tHeisn’tSheisn’tItisn’tWearen’tTheyaren’t主语（单数）isn’t主语（复数）aren’tHeisn’tstanding.Sheisn’trunning.Itisn’tsinging.Theyaren’teating.现在分词的构成现在分词的构成：1.一般动词，直接加–ing,如:looklo

4、oking,read-reading.2.如果动词末尾有e,则去e加–ing.如：make-making,write-writing，shine-shining.3.重读闭音节(辅音字母+元音字母+辅音字母）的,应双写末尾的字母,再加–ing.如:sitsitting，swim-swimming.4.以ie结尾，把ie变y加ing。lie-lying,die-dying,tie-tying写出下列动词的现在分词形式.1.help_______2.come_____3.swim_______4.eat__

5、___5.give_______6.find_____7.sit_______8.write_____helpingcomingswimmingeatinggivingfindingsittingwriting写出下列动词的现在分词形式talk_____sleep_____watch_____sit_____listen______make_____laugh______lie_____cry______sing_____cut______write_____talkingsleepingwatching

6、sittinglisteningmakinglaughinglyingcryingsingingcuttingwriting3.一般疑问句及回答:一般疑问句：直接把be提到句子前面，第一个字母大写，句子后面改为问号。肯定回答:Yes,主语+be。否定回答:No,主语+be+not。Heisdrawing.Ishedrawing?Yes,heis./No,heisn’t.Heisplayingbasketball.（变疑问句）IsheplayingbasketballYes,heis./No,heisn’t

7、.?Swimming?AmI(Areyou)AreyouIsheIssheIsitAreweAretheyIs主语（单数）Are主语（复数）结构:be+doing(be要根据主语作人称和数的变化)句型转换1.肯定句否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句一般疑问句,把be动词提到句首,.改？eg:Thechildisdrinking.Isthechilddrinking?3.陈述句特殊疑问句,由“疑

8、问词+一般疑问句”构成eg:Heisworking.Whatishedoing?Whatistheboydoing？Heissinging.---Isthewomanwriting?----No,sheisn’t.Sheisreadingabook.----What’retheydoing?----They’reswimming.----Aretheyswimming?----Yes,theyare.---Aretheysi