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1、Unit 8,Have you read Treasure Island yet?,一. 用法 1. 表示过去发生或已经完成的某一动作 对现在造成的影响或结果。 Have you had your lunch yet? Yes, I have. Ive just had it. 2. 表示从过去某一时刻开始，一直延续到 现在的动作或状态。,现在完成时,They have lived here since 1996.,二. 现在完成时的构成及句式转换,现在完成时由“助动词 have / has + 动词的过去分词”构成。,1. 肯定句: 主语 + have / has + 过去分词 + 其他 2
2、. 否定句: 主语 + have / has + not + 过去分词 + 其他 3. 一疑句: have / has + 主语 + 过去分词+ 其他,havent,hasnt,动词过去分词的变化和过去式的变化 类似，分规则变化和不规则变化两种。,三. 动词过去分词的变化规则,1. 不规则变化 （课本137、138页）,begin-began-begun let-let-let,know-knew-known eat-ate-eaten,stand-stood-stood come-came-come,2. 规则变化 1). 一般在动词词尾直接加ed。 pick picked picked w
3、ish wished wished stay stayed stayed 2). 以不发音的e结尾的动词后面加d。 like liked liked; hope hoped hoped; phone phoned phoned,3). 以“辅音字母 + y”结尾的动词， 变y为i，再加-ed。 study studied studied hurry hurried hurried reply replied replied 4). 词尾只有一个辅音字母的重读闭音节 动词，要双写辅音字母，再加-ed。 stop stopped stopped clap clapped clapped,四. 现在
4、完成时的标志词,1. 常与 just, already, yet, ever, never, before, so far 等连用,强调动作的完成， 不强调动作的持续。,Have you ever been to Japan?,I have just finished my homework.,He has already taught me some English.,四. 现在完成时的标志词,2. for + 时间段, since + 时间点 , since + 时间段 ago, since + 一般过去时的句子。,They have stayed there since 1997.,I
5、have learned English for six years.,He has lived here since he was a child.,She has worked here since two years ago.,1._ two years,since和for填空,2._two years ago,3._last month,4._ 1999,5._ yesterday,6._ 5 oclock,7._ 4 hours,8._ 2 minutes ago,9._ we were children,10._ she left here,五. already和yet用法 alr
6、eady “已经”,一般用于肯定句中, 放have/has后，过去分词前或句尾。 I have already read the book. Some visitors have come already. already用于疑问句中时通常表示惊奇。 Have you finished your homework already? I cant believe it., yet 用于疑问句中意为“已经”，用来询问 说话人期望发生的事情是否已经发生； 用于否定句中，意为“还”，表示说话人 期望发生的事情尚未发生。yet 通常放在句尾。 Have you seen her yet? I haven
7、t found my pen yet., already与yet的转换 含already的陈述句变为否定句或疑问句 时, 要把 already 变为 yet, 并放于句尾。 I have already read the book. I havent read the book yet. Have you read the book yet?,He has already gone home.,2. I have read this book before.,3. They have cooked dinner already.,4. I have just finished my homew
8、ork.,5. Mary has closed the window already.,1. Have you ever _(take) a train?,2. I _(have) my lunch and Im not hungry now.,3. We _(be) good friends since we met at school.,4. We cant find him anywhere. Perhaps he_ (go) home.,5. He _(read) the book before.,6. Mr. Green _(teach) us a lot about social
9、studies since September.,taken,have had,have been,has gone,has read,has taught,Look at the pictures. Have you read these books?,Alice in Wonderland,Little Women,Look at the pictures. Have you read these books?,Treasure Island,Tom Sawyer,Look at the pictures. Have you read these books?,Oliver Twist,R
10、obinson Crusoe,Have you heard of these books? Check () the ones you know.,1a,_ Alice in Wonderland _ Little Women _ Treasure Island _ Olive Twist _ Robinson Crusoe _ Tom Sawyer,No,Yes,Yes,No,Yes,No,Its exciting.,Its wonderful.,Its fantastic.,Listen and complete the chart.,Treasure Island,Robinson Cr
11、usoe,Little women,1b,A: Have you read Little Women yet? B: No, I havent. Have you? A: Yes, I have already read it. B: Whats it like? A: Its fantastic.,Practice the conversation. Then talk about the other books in 1a.,1c,1. Treasure Island Mark / Tina 2. Olive Twist Mark / Tina 3. Robinson Crusoe Mar
12、k / Tina 4. Tom Sawyer Mark / Tina,Listen. Who has read these books? Circle the names.,2a,Listen again and write T for true and F for false.,1. Oliver Twist is about a boy who goes out to sea and finds an island full of treasures. 2. Robinson Crusoe is a classic. 3. Tina thinks that Treasure Island
13、is a fantastic book. 4. Tom Sawyer is about a boy who lives in the United Kingdom.,2b,F,F,T,T,be full of sth 装满了 The bottle is full of water.,A: Has Tina read Treasure Island? B: Yes, she has. She thinks its fantastic. A: Whats it about? B: Its about,Use the information in 2a and 2b to talk about th
14、e books.,2c,Role-play conversation.,2d,A: Steve, have you decided yet which book to write about for English class? S: Yes, Little Women. Ive already finished reading it! A: Wow, youre fast! Whats it about？ S: Its about four sisters growing up. It was really good, so I couldnt put it down. Which book
15、 did you choose?,A: I chose Treasure Island, but I havent finished reading it yet. Im only on page 25. S: Have you at least read the back of the book to see what its about? A: Yes, I have. It looks interesting. S: You should hurry up. The book report is due in two weeks. A: Yes, I know. Ill read quickly.,1. (be) due to do 预计做 The guests are due to arrive very soon. 2. due to + 代词/名词, “因为,由于” He didnt come here due to his illness.,1. in a hurry 介词短语， 匆匆忙忙地 She always has breakfast in a hurry. 2. no hurry, “不忙，不必着急” Thereisnohurry,sodoitslowly.,鲁滨逊漂流记由英国作家丹尼尔笛福所著。它是一部家喻户晓的现实主
