初中英语人教版七年级下册课堂备用PPT.ppt

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1、Unit11SectionA１a-１ｃLookatthepicture.Thisisafarm.LastweekCarolandhisclassmateshadaschooltrip.Theywenttothefarm.Whatdidtheydoonthefarm?Howwastheirschooltrip?Doyouknowwhatanimalsthereareonthefarm?cowhorsechickenduckdogsheepReadthewordsandexpressionsloudly.dohisho

2、mework.didhishomeworkplayfootball.playedfootballrideahorse.rodeahorsewatchTV.watchedTVmilkacowmilkedacowfeedchickensfedchickenstakesomephotostooksomephotospickstrawberriespickedstrawberriestalkwithafarmertalkedwithafarmergoforawalkwentforawalk知识结构构成用法常用时间动词的过去

3、式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。yesterdaylastnight/week/year..twodaysagoin1999一般过去时一般过去时肯定句：主语+was/were+其它。否定句：主语+was/were+not+其它。一般疑问句：Was/Were+主语+其他？肯定回答：Yes,主语+was/were.否定回答：No,主语+wasn’t/weren’t.特殊疑问句：疑问词+一般疑问句？含有be动词的一般过去时：e.g.肯定句：Myschooltripwasex

4、cellent.否定句：Myschooltripwasnotexcellent.一般疑问句：Wasyourschooltripexcellent?肯定回答：Yes,itwas.否定回答：No,itwasn’t.特殊疑问句：Howwasyourschooltrip?陈述句：主语+动词过去式+其它否定句：主语+didn’t+动词原形+其它一般疑问句：Did+主语+动词原形+其它?肯定回答：Yes,主语+did.否定回答：No,主语+didn’t.特殊疑问句：疑问词+一般疑问句？含有实义动词的一般过去时:e.g.肯定句：

5、WewenttoGreenPark.否定句：Wedidn’tgotoGreenPark.一般疑问句：DidyougotoGreenPark?肯定回答：Yes,Idid.否定回答：No,Ididn’t.特殊疑问句：Wheredidyougolastweek?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-edstoptripstoppedtrip

6、ped结尾是“辅音字母+y”的动词，先变“y”为“i”再加-edstudyworrystudiedworried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后面/d/moved/mu:vd/在清辅音后面/t/passed/pa:st/在t,d后面/it//id/needed/'ni:did/清念/t/,元浊/d/;/t//d/之后念/id/不规则动词的过去式go过去式：wentride过去式：rodefeed过去式：fedtake过去式：tookdo过去式：didis/was过去式：wasare过去

7、式：weresee过去式：sawsay过去式：saidhave过去式：hadbuy过去式：boughtbuy过去式：boughthear过去式：heardteach过去式：taughtcome过去式：cameget过去式：gotgrow过去式：greweat过去式：atedraw过去式：drew动词一般过去时，表示过去发生事；be用was或用were,have,has变had；谓语动词过去式，过去时间坐标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didn’t添；疑问句也不难，did放在主语前；如果

8、谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。巧记一般过去时1aMatchthephraseswiththepictures.wentforawalkmilkedacowrodeahorsefedchickenstalkedwithafarmertooksomephotosebacfdWhatdidhedoonthefarm?