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1、Unit 8 Have you read Treasure Island yet单元语法聚焦八现在完成时 1现在完成时的用法(1)表示过去已经发生或已经完成的动作对现在造成的影响或结果，常与already, ever, before, just, yet, never 等词连用。(2)表示从过去开始一直持续到现在的动作或状态。2现在完成时的结构肯定句式：主语have/has过去分词其他否定句式：主语havent/hasnt过去分词其他一般疑问句式：Have/Has主语过去分词其他？一般疑问句的肯定回答：Yes, 主语have/has.一般疑问句的否定回答：No, 主语havent/hasnt.
2、/No, not yet./No, never. 如：He has already finished his homework.他已经完成作业了。Has he finished his homework yet?他完成作业了吗？Yes, he has. 是的，他完成了。No, he hasnt. 不，他没完成。3一般过去时与现在完成时的区别 (1)一般过去时只强调在过去发生过某事或动作发生的时间、地点、方式等。如：I saw the movie yesterday.我昨天看了这部电影。(强调这部电影是昨天看的)(2)现在完成时则强调过去的动作对现在造成的影响。如：I have already
3、seen the film.我已经看过这部电影了。 (强调到现在为止看过这部电影了) ()1.xx连云港Look! Somebody _ the lights.Well, it wasnt me. I didnt do it.Aturns off Bis turning offCwas turning off Dhas turned off()2.xx河北I _ an invitation to the concert. I cant wait to go.Areceive Bwill receiveCwas receiving Dhave received()3.xx阜康、米泉What an
4、 exciting march!Yes, isnt it? I _ such a great one before!Anever saw Bhad never seenCnever see Dhave never seen()4.xx盐城I _ my card. I want to report it.You can call the bank to report the loss. It would be faster.Alose Bwas losingCwill lose Dhave lost()5.xx日照When will you give the novel back to me?S
5、orry, I _it. How about Friday?Adidnt finish Bwont finishChavent finished Ddont finish()6.xx沈阳Sarah _ many places of interest in Beijing already.Avisited Bhas visitedCwill visit Dvisits()7.xx呼和浩特Diana cant go to the farm with her classmates because she _ a bad cold.Awill catch Bis catchingChas caught
6、 Dis caught()8.xx云南What do you think of your hometown, Kate?It _ a lot. Its more beautiful than before. Ahas changed BchangesCwill change Dchange()9.xx烟台Look at my new smartphone.Wow, its so cool. When and where _ you _ it?Ado; buy Bhave; boughtCdid; buy Dhave; had()10.xx海南Last year our class set up
7、 Reading Corner. So far, we _ more than 200 books.Awere reading Bhave readCwill read教师详解详析1D2.D3.D4.D5.C6.B7.C8A考查动词的时态。答语中的后一句“它比以前漂亮多了”是前一句带来的影响和结果；强调对现在的影响和结果时用现在完成时。故选A。9C考查动词的时态。句意：“看我的新智能手机。”“哇，好酷啊。你何时何地买的？”根据语境可知，这里强调买的时间和地点，应用一般过去时。故选C。10B考查动词的时态。句意：去年我们班建立了阅读角，到目前为止，我们已经读了200多本书了。so far意为“迄今为止”，是现在完成时的标志。故选B。
