2013春人教版英语七下《Unit 11 How was your school trip》（Section A1a-2d）课件.ppt

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1、Unit11Howwasyourschooltrip?SectionA11a-2dLookatthepicture.Thisisafarm.LastweekCarolandhisclassmateshadaschooltrip.Theywenttothefarm.Whatdidtheydoonthefarm?Howwastheirschooltrip?takesomephotosgoforawalkmilkacowrideahorsefeedchickenstalkwithafarmer1aMatchthep

2、hraseswiththepictures.1.wentforawalk2.milkedacow3.rodeahorse4.fedchickens5.talkedwithafarmer6.tooksomephotosebacfdPast过去Present现在rideahorsefeedchickensdohomeworkgotoacountrysidepickstrawberriesmilkacowrodeahorsefedchickensdidhomeworkwenttoacountrysidepicked

3、strawberriesmilkedacow规则动词过去式的构成构成规则原形过去式一般在动词原形末尾加-edworkplayworkedplayed结尾是e的动词加-dhopelivehopedlived末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-edstoptripstoppedtripped结尾是“辅音字母+y”的动词，先变“y”为“i”再加-edstudyworrystudiedworried注：动词过去式不规则变化，需记忆。规则动词过去式词尾-ed的读音读音规则读音例词在浊辅音和元音

4、后面/d/moved/mu:vd/在清辅音后面/t/passed/pa:st/在t,d后面/id/needed/'ni:did/清念/t/,元浊/d/;/t//d/之后念/id/goridedoisarehaveeatbuysee写出下列动词的过去式,找出规则动词过去式的构成。pickvisitwatchclimbstudyworryplaylivestopwentrodedidwaswerehadateboughtsawpickedvisitedwatchedclimbedstudiedworriedpla

5、yedlivedstopped规则动词不规则动词分析比较下列句子1.他每天在家。Heisathomeeveryday.2.他昨天在家。Hewasathomeyesterday.3.他每天在家做作业。Hedoeshishomeworkathomeeveryday.4.他两小时前在家做作业。Hedidhishomeworkathometwohoursago.知识结构构成用法常用时间谓语是动词的过去式构成1.表示过去某个时间发生的动作或存在的状态。2.表示过去经常或反复发生的动作。yesterdaylastnigh

6、t/week/time..…daysagolastSundaymorning一般过去时一般过去时肯定句句型：主语+谓语（动词过去式）+宾语+其他。am(is)→wasare→were肯定句：Hewasathomeyesterday.否定句：Hewasn’tathomeyesterday.疑问句：Washeathomeyesterday?Yes,hewas./No,hewasn’t.系动词be的过去时：肯定句：主语+动词过去式+其它Igotothemovie.→Iwenttothemovie.否定句：主语+助动

7、词didn’t+动词原形+其它Idon’tgotoschooltoday.→Ididn’tgotoschool.一般疑问句：Did+主语+动词原形+其它?Doeshehavebreakfast?→Didhehavebreakfast?Yes,hedoes./No,hedoesn’t.Yes,hedid./No,hedidn’t.行为动词的一般过去时:一般过去时，事已发生完。肯定句很简单，（动词）过去式谓语占；否定句也不难，谓语前didn’t添；疑问句更不难，Did加在主语前；若有diddidn’t，谓语动词需

8、还原；动词若是was,were,否定句把not添，一般问句（waswere）需提前。巧记一般过去时Whatdidhedoonthefarm?Herodeahorse.Didherideahorse?Yes,hedid.Didhemilkacow?Yes,hedid.Hemilkedacow.Didherideahorse?No,hedidn’t.Didhefeedchickens?Yes,hedid