Unit8HaveyoureadTreasureIslandyet?SectionA3a—4c学习目标 重点单词短语：ship,tool,gun,mark,sand,canibal,towards,land,fiction,sciencefiction,technology,French,brokenship,sciencefiction,【重难点】[来源:学*科*网Z*X*X*K]1..现在完成时::表示过去发生或已经完成的动作对现在造成的影响或结果。现在完成时的构成：have/has+过去分词2.动词过去分词的变化规则：①一般情况下加-ed；②以-e结尾的，加-d；③以辅音字母加y结尾的，变y为i加-ed；④重读闭音节单词，双写辅音字母加-ed。【一】自主学习明确目标任务一朗读默写138页的动词不规则的过去式和过去分词。任务二.阅读59页3a回答问题[来源:学科网ZXXK]1).WhatdoesRobinsonCrusoewaitfor?___________________________________________2).WhydoesRobinsonCrusoecallthemanFriday?___________________________________任务三.完成课本59页3B根据句子意思猜单词1).youcanusethesetoshootthings:__________2.)Somethingyouusetotravelinthesea:_____3).Apieceoflandinthemiddleofthesea:______4).Youcanusethesetocutthings:_________5.Signsleftbehindbysomeoneorsomething:________任务四：阅读课文59页3a，完成3c，改错把答案到下列横线把________________改为________________把_____________改________________3把_____________改为________________4.把________________改为________________5.把________________改为________________任务五:完成课文60页的4a和4b.，把答案写在课本。【课中探究】词义辨析:one…theother…意为“一个……另一个……”。2some…theothers…用于三者或三者以上，意为“一些……其余的……”。[来源:Zxxk.Com].()LilyandhersisterlookthesameIcan’ttellonefrom____AotherBanotherCtheotherDothers语法聚焦：现在完成时的构成及句式转换：助动词have/has+过去分词①Ihavefinishedmyhomework(肯定句)②Ihavenotfinishedmyhomework（否定句）③—Haveyoufinishedyourhomework?—Yes,Ihave/No,Ihaven’t,【当堂达标】一写出下列单词的过去式和过去分词形式：finish__________—____________live__________—___________carry__________—_____________stop_________—___________go____________—_____________see_______—_________forget_________—_____________二、根据句意或汉语提示写词。【课后巩固】一、用括号内所给单词适当形式填空1Judyhasalready____________(finish)readingLittleWomen2TomandMikehavealready____________(decide)tolearnChineseonInternet3Haveyou_____________(read)AliceinWonderlandyet?4Robinson_____________(have)alreadybuiltahouseontheisland5Itoften_____________(snow)inNorthChinainwinter二、按要求改写句子。(每空4分,共80分)1HasJackreadTomSawyeryet?（肯定回答）__________,______________________2.Hashecutdownthatbigtreeyet?（否定回答）__________,______________________3Theyhavefoundthelostbooksalready（改为一般疑问句并做否定回答）___________they_________thelostbooks_________?No,they____________4MrWangbegantoteachEnglishinthisschoolin1999（改为同义句）MrWang___________________Englishinthisschoolsince1999[来源:Z。xx。k.Com]5Theyhavelivedheresince3yearsago（就划线部分提问）[来源:学科网]____________________havetheylivedhere?6MaryhasgonetoTaiwan（就划线部分提问）_________________Mary___________?7Juliahasnotgothomefromschoolyet（改为肯定句）Julia_________________________homefromschool