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Unit 4 Did you have a nice trip?Lesson 19 Li Ming Comes Home 自学指导 自读课文第一部分，理解课文，小组讨论，划出你知道的短语，并提出你不能解决的问题。（用时3分钟） I often walk to school.I walked to the park yesterday. I often talk to Miss Zhang.I talked to my cousin yesterday. I often play chess with my parents.I played computer with my friends yesterday. I often walk to school.I walked to the park yesterday.I often talk to Miss Zhang.I talked to my cousin yesterday.I often play chess with my parents.I played computer with my friends yesterday. walktalkplay walkedtalkedplayedoften yesterdayWhat can you find? Li Ming arrives home from Beijing. What does his father want to know? Read and listen. Mr. Li Li Ming Mr. Li Li Ming 读课文回答问题1、Did Li Ming have a nice trip?2、What did Li Ming do?Yes, he did.He walked to Wangfujing Street and shopped there. And he bought a gift for Mr. Li. 1、接龙游戏。前一个个学生用过去式 或现在式说出一个句子，让学生给出其相应的现在式或过去式 句子。(例如老师说：Yesterday, I played.学生要说：today, I play.) 当这名学生回答正确时，他便可以对下一个同学说出句子。today yesterdayplay playedwalk walkedtalk talkedjump jumpedlook lookedpoint pointedlaugh laughedToday,IYesterday,I Name Today yesterdayLily walk to school walked to schoolMike talk to Miss Zhang talked to Miss Zhangme play cards played cards2、阅读表格，完成句子。 Name Today yesterdayLily walk to school walked to schoolMike talk to Miss Zhang talked to Miss Zhangme play cards played cards1.What did Lily do yesterday ? She.2.What did Mike do yesterday ? He.3.What did you do yesterday? .walked to schooltalked to Miss ZhangI played cards 一般过去时表示过去存在的状态或过去的动作，要用一般过去时，在句中常常出现过去的词。如：just now, right now, a moment ago, yesterday, the day before yesterday, last month, last year等。 一般过去时的运用 (1 ) be动词变成was，were，其中 am, is was are were (2 ) 行为动词一般加-ed，没有人称、单复数之分。 行为动词的过去式结构： (1 )一般情况下在词尾加-ed。 在元音和浊辅音后读/d/。如： staystayed climbclimbed 在清辅音后读/t/。如： workworked looklooked helphelped(2 )以e结尾的动词加d，读音同上。 likeliked livelived hopehoped (3 )以辅音字母加y结尾的动词去y加 ied，读/id/。如：studystudied trytried carrycarried(4 )以重音闭音节结尾，末尾只有一个辅音字母的动词，要双写末尾的辅音字母，再加ed。读音同上。如：jogjogged stopstopped begbegged
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