语法现在进行时与一般现在时.ppt

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1、*一般现在时*现在进行时语法1.含义：表示现在正在进行或一段时间正在进行的动作标志词：now,look,listen等。2.构成：be+V-ing现在进行时的含义与构成Heisreadingabook.3.V-ing变化规则：1）一般加ing.如:play----playingwatch----watching以不发音的e结尾,去e加ing.如:take----takingcome---coming元+辅结尾,且是重读闭音节的单词,双写辅音字母+ing.如:run----runningswim----swimming一般在动词原形后+inggoaskgoingasking以不

2、发音的e结尾的，去e，+ingwritetakeclosewritingtakingclosing重读闭音节以一个辅音字母结尾的，双写这一字母+inggetrunswimputgettingrunningswimmingputting三、动词现在分词的构成把下列动词变成现在分词dowritehavegorunreadwatchgetswimcleandoingwritinghavinggoingrunningreadingwatchinggettingswimmingcleaning四、提示性词语：1、now.Eg1.Thechildrenareplayinggamesove

3、rtherenow.2、Look!Listen!Eg1.Look!Someboysareswimmingintheriver.Eg2.Listen!LucyissinginganEnglishsongintheclassroom.3、Itis+具体的钟点。（提示后句）Eg1.It’s6:30inthemorning.LiLeiisgettingup.Eg2.It’stwelveo’clock.Thestudentsarehavinglunchatschool.4、Whereis/are/am+主语？（提示后句）Eg1.--Whereisyourfather?–Heiswatc

4、hingTVintheroom.Eg2.–WhereisTom?–Heisdoinghomeworkintheclassroom.5、上下文提示。Eg1.Whatareyoudoing?Iamlisteningtomusic.五、相关的句型转换：1、变否定句：现在进行时态的句子变否定句时，在am/is/are后加not,常与am/is/are用缩略式。Eg1.Theyaresinging.----Theyarenot/aren’tsinging.2、变一般疑问句：现在进行时态的句子变一般疑问句时把am/is/are提到句首，大小写发生变化，句号变问号。Eg1.Iamdoing

5、myhomeworknow.----Areyoudoingyourhomeworknow?Eg2.Thestudentsarehavingclasses.----Arethestudentshavingclasses?3、划线提问：先确定疑问词，然后把除掉划线部分的句子变成一般疑问句接在疑问词后面。Eg1.Heiswritingaletter.(划线提问)Whatishedoing?Eg2.Lucyisdancing.(划线提问)Whoisdancing?Theyplayfootballintheplayground.否定句:一般疑问句:肯定回答:否定回答:Theydonot

6、(don’t)playfootballintheplayground.No,theydon’t.Yes,theydo.Dotheyplayfootballintheplayground?Whatishedoing?Heisplayingbasketball.Whatistheboydoing？Heissinging.---Isthewomanwriting?----No,sheisn’t.Sheisreadingabook.----What’retheydoing?----They’reswimming.----Aretheyswimming?----Yes,theyare.

7、---Aretheysinging?---No,theyaren’t.Theyaren’tsinging.Theyaredancing.Arethey____abook?No,they____.____arethey_______?They’re_____.readingaren’tWhatdoingwritingIsthegirl______(get)up?No,she______.What___she______?She_________.gettingisn’tisdoingissleeping