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课件网) Unit 3 The Internet Discovering Useful Structures Lead-in 歌词中的语法，你发现了吗？ Goodbye to you my trusted friend 别了朋友，我的挚友 We've know each other since we were nine or ten 我们已相识很久，那时我们还是孩子 Together we've climbed hills and trees 我们曾一起爬过无数山丘、树丛 Learned of love and ABC's 一起学会了爱，还有许多等等 Skinned our hearts and skinned our knees 也曾一起伤过心，一起破过皮 Goodbye my friend it's hard to die 别了，我的朋友，友情是不死的 . Lead-in 歌词中的语法，你发现了吗？ Goodbye to you my trusted friend 别了朋友，我的挚友 We've know each other since we were nine or ten 我们已相识很久，那时我们还是孩子 Together we've climbed hills and trees 我们曾一起爬过无数山丘、树丛 Learned of love and ABC's 一起学会了爱，还有许多等等 Skinned our hearts and skinned our knees 也曾一起伤过心，一起破过皮 Goodbye my friend it's hard to die 别了，我的朋友，友情是不死的 . Lead-in 歌词中的语法，你发现了吗？ Goodbye to you my trusted friend 别了朋友，我的挚友 We've known each other since we were nine or ten 我们已相识很久，那时我们还是孩子 Together we've climbed hills and trees 我们曾一起爬过无数山丘、树丛 Learned of love and ABC's 一起学会了爱，还有许多等等 Skinned our hearts and skinned our knees 也曾一起伤过心，一起破过皮 Goodbye my friend it's hard to die 别了，我的朋友，友情是不死的. 完成时时态 练习 1.His first novel _____(receive) good reviews since it came out last month. 2.I got caught in the rain and my suit _____(damage). 3.This is the first time we _____ a film in the cinema together as a family. has received has been damaged have seen 现在完成时 主动： 被动： 1) 动作或状态从过去开始,一直持续到现在, 常与下列时间状语连用: so far, up to now, up till now, by now, recently, lately, in recent years; (ever) since+一般过去时, in / during / over the past / last... years/months/days/weeks, over the years 1.His first novel has received good reviews since it came out last month. 2) 动作或状态发生在过去,但对现在有影响或结果 2.I got caught in the rain and my suit has been damaged. have/has done have/has been done 现在完成时 主动： 被动： 3) 固定句型:It / This / That is the first (second, third…) time that… +现在完成时，表示“第几次做某事” 3.This is the first time we have seen a film in the cinema together as a family. have/has done have/has been done 肯定式： S+have/has+V-过去分词(done) 否定式： S+have/has+not+V-过去分词... 一般问句： Have/Has+S+V-过去分词... 特殊疑问句： 疑问词+have/has+S+V-过去分词... 现在完成时的基本结构 the buildings, destroy, earthquake The buildings have been destroyed by the earthquake. Look at the pictures, first list some key words, then make up sentences using the present perfect passive voice. machine replace computer The machine has been replaced by the computer. in our city, a new bridge, build A new bridge has been built in our city. 表示 发生的或 的动作对 造成的 。 现在完成时概念： 过去 已完成 现在 影响或结果 e.g. 1. Goodbye to you my truste ... ...
