Thepresentperfecttense课件
日期：2010-12-04 12:08
Grammar:ThePresentPerfectTenseTask1:Discussion（8大组进行讨论，never，just，since，并推荐代表上台陈述本组观点）Whathavepeopledonetomaketheenviornmentbecomelikethis?ThePresentPerfectTense过去发生的动作对现在造成的影响或过去发生的动作到现在已完成Have/has+pp(动词过去分词)Yet，ever，already，小组长边讨论边快速做好记录，for1since+过去的点时间2for+一段时间3have/hasbeen和have/hasgone的区别Homework InordertowelcometheteachersfromallpartsofRuianYouheadmasterhasorganizedyoutomakeourschoolniceandcleanYouhavedoneverywellTheteachersherewanttotakeyourexperimence(经验)totheirstudentssowritedownwhatyouhavedonetokeepourschoolsonice，
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