人教版七年级英语第五单元.ppt

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1、Unit5I’mwatchingTV.No.4MiddleSchool4.动词～ing构成形式一般在动词词尾﹢ingworkgoworkinggoing以不发音字母e结尾的，去e﹢ingwritemakewritingmaking重读闭音节，以一个辅音字母结尾的，先双写这一字母，再﹢ingputswimputtingswimming直接加，去e加，双拼加talkwatchdoeatreadcleanplaytalkingwatchingdoingeatingreadingcleaningplaying动词现在分

2、词变化writetakehaveleavecomearrivedancewritingtakinghavingcomingarrivingdancingleaving动词现在分词变化shopgetbeginswimrun动词现在分词变化shoppinggettingbeginningswimmingrunningHavealook(说出动词加ing的规律)do→doingwatch→watchingclean→cleaningeat→eatingread→readingtalk→talkingsing→sing

3、ingplay→playingwrite→writingdance→dancingcome→cominghave→havingarrive→arrivingrun→runningswim→swimmingstop→stoppingget→getting一般在动词原形末尾加-ing。以不发音字母e结尾的动词，先去掉e，再加-ing。以重度闭音节结尾的动词，如果末尾只有一个辅音字母，应先双写这个字母，再加-ing。Grammar现在进行时：表示正在发生的动作。句式结构：主语+be+v-ingI’m=IamHe’s=

4、HeisWhat’s=WhatisShe’s=SheisIamplayingcomputer.Sheissinging.Weareswimming.Theyaredancing.请归纳什么是现在进行时主语+be+not+v.ing.否定形式Iamswimminginthepool.Iamnotswimminginthepool.Thecatisplayingtheguitar.Thecatisn’tplayingtheguitar.Sheisdrawing.Sheisn’tdrawingTheyareplayi

5、ngthecards.Theyaren’tplayingthecards一般疑问句结构Be+主语+v.ing?Iamtalkingaboutthepicture.Areyoutalkingaboutthepicture?Yes;IamNO,IamnotYes,________.Isshesleeping?sheisSheissleeping?T:Theyare…S:Arethey…?S:Arethey…?…Yes,theyare.Theyaredancing.PAIRWORKLet’sguesswhataret

6、heydoing?IsNancydoinghomework?No,sheisn’t.she’swritingaletter.2cUsethecomputerwritingaletterWhatishedoing?He_____________.isswimmingExerciseWhatishedoing?Heisplayingbasketball.Whatisshedoing?Sheissinging.Whataretheydoing?Theyaretalkingonthephone.Whatarethebo

7、ysdoing?They__________basketball.areplayingExerciseWhataretheydoing?TheyareeatingdinnerWhatishedoing?Heisdoinghomework.1.用法：表示现在（说话时）正在进行或发生的动作。be(am/is/are)+doing(现在分词)2.构成：肯定句：主语+be+doing.否定句：主语+be+not+doing.一般疑问句：Be+主语+doing？Yes,主语+be./No,主语+be+not.特殊疑问句：

8、疑问词+be+主语+doing？现在进行时:Isthegirl______(get)up?No,she______.What___she______?She_________.gettingisn’tisdoingissleepingArethey____abook?No,they____.____arethey_______?They’re_____.readingaren’tWh