一般现在时态与进行时态的比较.ppt

《一般现在时态与进行时态的比较.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、*现在进行时*一般现在时语法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.一般在动词原形后+inggoaskgoingasking以不发音的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动词现在分词的构成把下列动词变成现在分词dowritehavegorunreadwatchget

2、swimcleandoingwritinghavinggoingrunningreadingwatchinggettingswimmingcleaning提示性词语：1、now.Eg1.Thechildrenareplayinggamesovertherenow.2、Look!Listen!Eg1.Look!Someboysareswimmingintheriver.Eg2.Listen!LucyissinginganEnglishsongintheclassroom.3、Itis+具体的钟点。（提示后句）Eg1.It’s6:30inthemorning.LiLeiisgettingu

3、p.Eg2.It’stwelveo’clock.Thestudentsarehavinglunchatschool.4、Whereis/are/am+主语？（提示后句）Eg1.--Whereisyourfather?–HeiswatchingTVintheroom.Eg2.–WhereisTom?–Heisdoinghomeworkintheclassroom.5、上下文提示。Eg1.Whatareyoudoing?Iamlisteningtomusic.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.

4、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.Iamdoingmyhomeworknow.----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)Whatish

5、edoing?Eg2.Lucyisdancing.(划线提问)Whoisdancing?Whatishedoing?Heisplayingbasketball.Whatistheboydoing？Heissinging.----What’retheydoing?----They’reswimming.----Aretheyswimming?----Yes,theyare.---Aretheysinging?---No,theyaren’t.Theyaren’tsinging.Theyaredancing.Arethey____abook?No,they____.____arethey

6、_______?They’re_____.readingaren’tWhatdoingwritingIsthegirl______(get)up?No,she______.What___she______?She_________.gettingisn’tisdoingissleeping2.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.现在进行时的句式1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.3.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语+be否定回答:No,主语+be+not-----Ar

7、eyoudrawing?-----Yes,Iam./No,I’mnot.一般现在时：表示现在的状态、经常的或习惯性的动作、表示主语具备的性格和能力等。一般现在时的构成：肯定句：主语＋is/am/are＋其它成分.主语(除第三人称单数)＋动词原形＋其它成分.Heisanofficeworker.Igetupatsixeveryday.主语(第三人称单数)＋动词s/es＋其它成分.Myfatherusuallygoestoworkbybus.用法：