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第一篇:現(xiàn)在完成進行時教案現(xiàn)在完成進行時教案常德淮陽中學 肖祥法Teaching aims: the grammar—— Continuous Tense the basic structure of the Present Perfect Continuous Tense out the difference between Present Perfect Tense and Present Perfect Continuous Tense Knowledge aims: Teaching key point: Master the basic structure and the significance of Present Perfect Continuous Tense Teaching difficult point: How to distinguish the Present Perfect Tense and Present Perfect Continuous TenseTeaching Procedures: Step 1Greet the class as usual Step 2 Leadin Ask some students the questions:What are you doing now? When did you begin to study English? Help the students answer: We’re having an English began to study English about 6 years ’re studying English ’ll go on studying , we say:“You have been studying English for about 6 years”How long have you been studying English? 引出現(xiàn)在完成進行時Step 3 New study basic Structure of the Present Perfect Continuous Tense現(xiàn)在完成進行時形式:主語 + have/has + been + doing 劃線識別題Those cats have been screaming for two have been waiting for him for two has been raining all have been living here since three years has been reading this book for a have been singing all significance of Present Perfect Continuous Tense 引例句:It began raining two hours is still raining :It has been raining for two 。現(xiàn)在完成進行時的意義1).①過去發(fā)生②動作一直持續(xù)常搭配時間狀語: since + 時間點;for + 時間段;all day等。例句Tom began playing games at 8 o’ is still playing games has been playing games since 8 o’It has been snowing all have been waiting for you since 6 o’ have been chanting for three 他已經睡了一整天了。He has been sleeping all 已經哭了一小時了。Lily has been crying for an 。You have been learning English for six 2).表示在一段持續(xù)的時間內動作的多次重復,而這個重復的動作在說話時并不一定在進行。例句They have been building the bridge for two has been playing basketball since he was has been teaching English for ten 他已經踢了八年足球了。He has been playing football for eight 。I have been getting early since this 。I have been telling him not to go since last to distinguish the Present Perfect Tense and Present Perfect Continuous Tense 現(xiàn)在完成時與現(xiàn)在完成進行時的區(qū)別1).現(xiàn)在完成時強調動作的完成,而現(xiàn)在完成進行時強調動作的延續(xù),因此,表示動作的完成,只能用現(xiàn)在完成時,而不能用現(xiàn)在完成進行時。如:He has changed his 。2).在表示動作的延續(xù)時,雖然既可用現(xiàn)在完成時,也可用現(xiàn)在完成進行時,但現(xiàn)在完成進行時強調動作的進行。因此在需要明確表示動作還要持續(xù)下去時,應用現(xiàn)在完成進行時。如:We have been studying here for two 。相同點:1)謂語動詞都是延續(xù)性的,如live,learn,study,wait,work,rain等。2)都與“一段時間”連用。例句I have been learning/learned English for ten have been living/lived here since three years :1)現(xiàn)在完成時——結果,現(xiàn)在完成進行時——過程。2)現(xiàn)在完成進行時帶有一定的感情色彩。例句He has sung for two has been singing for two 4 Practice —I have got a headache.—No ______ in front of that puter too working been working —I’m sure Andrew will win the first prize in the final.—I think ______ for it for preparing preparing been preparing been preparing Excuse me, Marcia, a reporter from Vanity Fair ______ all you speak to her now? phoned been phoning 翻譯我從昨天晚上就一直在給你打電話。I have been calling yo