48现在进行时

She现在进行时表示正在进行或发生的动作。issing.主语be动词动词句型结构inging形式现在进行时的结构句型结构：主语+be(am,is,are)+动词ing形式（现在分词）+其他成分Iamlisteningtomusic.Heislisteningtomusic.Wearelisteningtomusic.现在进行时的用法am只用于第一人称单数is用于第三人称单数are用于第二人称和其他人称的复数Be动词的用法口诀：我用am，你用are，is连着他，她，它；单数名词用is，复数名词全用are。现在分词（动词ing形式）构成规则：1、一般情况下直接加ing：jump--jumpingdo--doing2、以不发音的字母e结尾的单词，去掉字母e，再加ing：dance--dancinghave--having3、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：run--runningswim--swimming4、以ie结尾的动词，把ie改为y，再加ing：tie--tyingdie--dying一、将下列动词变成ing形式1、help________2、come________3、swim_________4、eat________5、give________6、find_________7、sit_________8、write________9、tie__________10、make______11、play_________12、clean________13、catch______14、walk________15、ride________16、run________17、draw_______18、listen_______19、have______20、dance________21、watch_______22、stop________23、see________24、begin________Let'sPractice:练习helpingcomingswimmingeatinggivingfindingsittingwritingtyingmakingplayingcleaningcatchingwalkingridingrunningdrawinglistenninghavingdancingwatchingstoppingseeingbeginning现在进行时我正在跳。他们正在跳舞。Iamjumping.Theyaredancing.现在进行时他正在跑。他正在系鞋带。Heisrunning.Heistying.hisshoesLet'sPractice:练习cry哭smile笑playtheguitar弹吉他Let'sPractice:练习playsports做运动fly飞sleep睡觉现在进行时的用法：变否定否定式，在be动词之后加否定词not.句型结构：主语+be(am,is,are)+not+动词ing形式（现在分词）+其他成分Iamnotlisteningtomusic.Heisnotlisteningtomusic.Wearenotlisteningtomusic.变否定，更容易，be后not莫忘记。现在进行时的用法:变一般疑问句一般疑问句式将be动词提前.句型结构：Be(Am,Is,Are)+主语+动词ing形式（现在分词）+其他成分?Areyoueating?肯定回答：Yes,Iam.否定回答：No,I’mnot.注意第一，二人称之间的转化问题。变疑问，往前提，句末问号莫迟疑。Ishewritingaletter?肯定回答：Yes,heis.否定回答：No,heisn’t.Aretheyrunning?肯定回答：Yes,theyare.否定回答：No,theyaren’t.现在进行时的用法:变一般疑问句现在进行时的用法常与now,look,listen等连用Iamtalkingtoyounow.Look！Mikeisswimming.Listen！Amyisspeakingonthephone.一、用所给词的适当形式填空。1.Look!Theboy_________(read)books.2.Thegirls_________(have)breakfastnow.3.—___he_______(clean)theblackboard?—No,he_____.4.Listen!They_________(sing)inthemuiscroom.5.I_________(get)upnow.6.Acat________(run)afteradognow.Let'sPractice:练习isreadingarehavingIscleaningisn'taresingingamgettingisrunning现在进行时的肯定形式：主语+be(am/is/are)+动词ing+其他成分.Iamsinging.现在进行时的否定形式:主语+be(am/is/are)+not+动词ing+其他成分.Iamnotsinging.一般疑问句及回答：Be(am/is/are)+主语+动词ing+其他成分?Areyousinging?Yes,Iam./No,I'mnot.Let'sReview:复习主语放在句首，am,is,are紧随其后。现在分词跟着走，其它成分不能丢。表示动作正进行，Look!Listen!now做标记。一般疑问这样变，把be提到主语前。否定句式也简单，be后再把not添。现在进行时的口诀1.Shelistenstothemusic.(末尾加上时间词now.)__________________________________________2.Thebirdsaresinginginthetree.(变为否定句)__________________________________________3.is,he,thewindow,cleaning?(连词成句)__________________________________________4.ThechildrenarewatchingTVnow.(变成一般疑问句，并做否定回答)__________________________________________5.Youareplayinggamesnearthehouse.(用”I“作主语改写句子)__________________________________________Let'sPractice:练习Sheislisteningtothemusicnow.Thebirdsarenotsinginginthetree.Ishecleaningthewindow?ArethechildrenwatchingTVnow?No,theyaren't.Iamplayinggamesnearthehouse.