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1、Unit 8 Have you read Treasure Island yet第三課時(shí)Section A (Grammar Focus 3c)學(xué)習(xí)目標(biāo)1. 進(jìn)行一步復(fù)習(xí)鞏固運(yùn)用Section A 部分所學(xué)的生詞和詞組。2. 進(jìn)一步學(xué)習(xí)現(xiàn)在完成時(shí)的結(jié)構(gòu)及用法。課時(shí)重點(diǎn)利用教材或工具書(shū)查看生詞的讀音和真正含義；讀Grammar Focus 中的句子，弄清其意思，總結(jié)本單元的語(yǔ)法。預(yù)習(xí)導(dǎo)學(xué)一、自學(xué)生詞，并記住Section A 部分所學(xué)的生詞和詞組拼讀及拼寫(xiě)。二、讀Grammar Focus，并完成下面的語(yǔ)法要點(diǎn)歸納?，F(xiàn)在完成時(shí)的結(jié)構(gòu)： 現(xiàn)在完成時(shí)的用法1） 2） 和現(xiàn)在完成時(shí)連用的詞： 三、在理

2、解的基礎(chǔ)上，小組內(nèi)完成4a-4c。合作探究Task1:全班朗讀教材上Grammar Focus的句子，小組歸納語(yǔ)法知識(shí)并完成下面的練習(xí)。1、用所給單詞的適當(dāng)形式填空。1. Tom has already finished his work. (改為一般疑問(wèn)句) _ Tom_ his work _?2. His parents have already visited Japan. (改為否定句) His parents _ _ Japan _.3. Has Jane eaten lunch? ( 作否定回答) _, she _.Task2:1. 先獨(dú)立完成4a4c，再小組內(nèi)討論核對(duì)答案。2.

3、抽部分小組展示他們的結(jié)果，并作相應(yīng)的說(shuō)明。導(dǎo)學(xué)測(cè)評(píng)一、用所給單詞的適當(dāng)形式填空。1.Robinson Crusoe saw cannibals (try) to kill two men from a broken ship.2.Ive just (drink) some tea. 3I think Tom Sawyer was a bit (bored).4. She finished （read） a book about robots last week.5.Have you decided which book (read) yet?二、單項(xiàng)填空。1.Did Robinson Crus

4、oe arrived the island enough food and drink? A. in, for B. on, for C. to, with D. on, with2. Friday I clever and Robinson Crusoe him some English. A. has taught B. has teach C. is teaching D. was teaching3 There are two men waiting for her. Is Mike, is David.A、One, the others B、One, other C、One, the

5、 other D、One, another4.Can you imagine what the world will be like ? A. after 100years B. before 100years C. until 100years D. in 100years 三 根據(jù)漢語(yǔ)提示完成句子。1那以后不久，他去了珠海。 2 有人留下了一些標(biāo)志。 3 他有兩個(gè)孩子，一個(gè)在武漢，另一個(gè)在北京。 4 他不應(yīng)該用他的槍射鳥(niǎo)。 5當(dāng)他第一次到達(dá)沙灘時(shí)，他非常興奮。 6 我將會(huì)記住我遇見(jiàn)他的那一天。 7請(qǐng)帶回你可以用的東西。 8在過(guò)20年，他將會(huì)是什么樣？ 9 他是如此想念他的家人，以至于迫不及

6、待想見(jiàn)見(jiàn)他們。 四、根據(jù)短文內(nèi)容及首字母提示，完成下列短文。 Helen is an American girl. A the age of six months, she should say a few words. But w she was two Years old, she couldnt see o hear. And she even could not speak soon. Life is h to her. Later her teacher helps her to see and h the word around her with her hands. Soon ,

7、she can r books for the blind. She also learns c food and learns how to swim and r a horse. She writes manyinteresting b about her life. Many people like her books. She is g .知識(shí)超市現(xiàn)在完成時(shí)誤區(qū)提醒:(1)have been(to)與have gone( to)的區(qū)別：have been(to)表示“去過(guò)某地(現(xiàn)在已經(jīng)回來(lái)了)”，可用于各人稱(chēng);have gone(to)表示“去某地了(說(shuō)話(huà)時(shí)某人不在當(dāng)?shù)?”，常用于第三

8、人稱(chēng)，前者可與once ,never, several times等連用，后者則不能。如：They have been to Beijing twice.他們?nèi)ミ^(guò)北京兩次。He has gone to Beijing . 他去北京了。(2)如單純表示一段時(shí)間，或強(qiáng)調(diào)一段時(shí)間，雖有since一詞，也不必用完成時(shí)。如：It is two years since his father died. =His father has been dead for two years.他父親去世已有三年了。(3)終止性動(dòng)詞現(xiàn)在完成時(shí)的否定式，已變成一種可以延續(xù)的狀態(tài)，因此可以和表示一段時(shí)間的狀語(yǔ)連用。如：I havent left here since 1997.自從1997年以來(lái)，我一直沒(méi)有離開(kāi)過(guò)這兒。has been in：表示一直呆在某地， 常與時(shí)間段搭配(呆了很久)。