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ID:52830165
大小:315.50 KB
页数:8页
时间:2020-04-13
《一般过去时(鲁伟玲).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、一般过去时鲁伟玲一,详细讲解1.标识词,特征词:yesterday,yesterday+时间,last+时间,ago,before.构成:主语+动词的过去式例如:Ididmyhomeworklastnight.Sheworkedhardyesterday.否定句:主语+didn’t+动词原形例如:Ididn’tdomyhomeworklastnight.一般疑问句:Did+主语+动词原形?Didyoudoyourhomeworklastnight?Yes,Idid./No,Ididn’t.3.动词过去式的变化:(1)一般情况下,在词尾+ed,如:cook-cookedwatch-watch
2、ed(2)以不发音的“e”结尾的单词,在词尾加“d”,如:love-loved(3)以重读闭音节结尾的词,双写最后一个字母再在词尾+ed,如:stop-stoppedplan-planned(4)以辅音字母+“y”结尾的单词,把“y”改为“i”,再加“ed”,如:study-studiedcarry-carried不规则动词过去式不规则动词过去式种类单词意思过去式cost花费cost单词原形cut砍;切cut和过去式let让let一样put放putread毒read种类单词意思过去式字母为“eep”keep保持keptsleep睡觉slept改为“ept”sweep打扫swept以“aug
3、ht”catch抓caught结尾teach教taught智慧城堡例题探究1.I_______(watch)acartoonlastSaturday.2.Herfather______(read)newspaperlastnight.3.We______(go)tothezooyesterday,we_________(go)tothepark.4._____you_____(visit)yourrelativeslastSpringFestival?5.______he______(fly)akitelastSunday?Yes,he______.watchedreadwentd
4、idn’tgoDidvisitDidflydid谢谢
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