1、Unit 8 Have you read Treasure Island yet?,Section A Grammar Focus-4c,Objectives,To learn the present perfect tense with “already” and “yet”. To learn some new words: fiction, technology, French,Grammar Focus,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。 e.g. Have you had your lunch yet? Yes, I have. Ive just
2、had it. (现在我不饿了。) 2.表示动作或状态从过去某一时刻开始，一直延 续到现在，而且可能还要继续下去。,现在完成时,e.g. I havent seen her these days. Ive known Bob for three years. Ive been at this school for over two years.,时间状语： already, yet, just, ever, never, before,构成： 现在完成时是由“助动词have / has+ 动词的过 去分词”构成的，规则动词的过去分词构成与 过去式相同，不规则动词的过去分词则需逐个 记忆。动词的
3、过去式的变化和过去分词的变化 并不完全相同。我们对它们作了一个大致的分 类。,一、过去式和过去分词的变化相同 规则变化： 1. 一般在动词词尾直接加ed。如： pick picked picked; wish wished wished; stay stayed stayed 2. 以不发音的e结尾的动词后面加d。如： 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。如： study studied studied; hurry hurried hurried; re
4、ply 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。如： stop stopped stopped; clap clapped clapped,不规则变化： 5. 以不变应万变。如： let let let; put put put; read read read 6. 若中间有双写e，则去掉一个e，单词末尾再加t。如： feel felt felt; keep kept kept; sleep slept slept,7. 末尾的字母d变t。如： lend lent lent; build built built; send se
5、nt sent 8. 变为以-ought或-aught结尾。如： buy bought bought; bring brought brought; catch caught caught; teach taught taught,句式 1. 肯定句：主语 + have / has + 过去分词 (+ 其他) 2. 否定句：主语 + have / has + not + 过去分词(+ 其他) 3. 一般疑问句：have/ has + 主语 + 过去分词(+ 其他) 4. 特殊疑问句： 特殊疑问词 (不是句子主语) + have / has + 主语+过去分 词 (+ 其他) 2) 特殊疑问词(
6、是句子主语)+have / has+ 过去分词(+ 其他),already 意为“已经”，常用于肯定句中。一般置于助动词have/has之后，过去分词之前，但也可放在句末。 e.g. 我已经看过这部电影了。 I have already seen the film. 我已经解决了这个问题。 I have already solved this problem. 我已经做完家庭作业了。 I have finished my homework already.,现在完成时-与already连用,12,yet，在现在完成时句型中常置于句末。 1) “已经”，常用在疑问句中。 e.g. 琳达已看过这本
7、书了吗? Has Linda read the book yet? 你完成家庭作业了吗？ Have you finished your homework yet? 2) “还，仍然”，常用于否定句和疑问句。 e.g. 他还未开始工作。 He has not begun to work yet.,现在完成时-与yet连用,13,just 意为“刚刚”，常用于肯定句中。一般置于助动词have/has之后，过去分词之前。 e.g. 我刚吃过午饭。 I have just finished lunch. 我们刚刚听说她的婚讯。 We have just heard of her marriage.,现
8、在完成时-与just连用,14,同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的事情有关，但是现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等，而一般过去时只表示过去的事实，不表示和现在的关系。如：,现在完成时与一般过去时,15,I went home at 10:00 yesterday. I have got home now. 我昨天十点回家的。现在我已经到家了。 I have already finished my homework. 我已经写完家庭作业了。 I finished my homework an hour ago. 我一个小时之前写完了
9、家庭作业。,16,活学活用,1. Write the forms of the past tense and past participle: drink _ _ see _ _ find _ _ leave _ _ tell _ _,drank drunk,saw seen,found found,left left,told told,2. Choose the right answer. Why is Mr. Yang still in the teachers office? Maybe he _ his work yet. A. doesnt finish B. hasnt fini
10、shed C. havent finished,B,1. A: Would you like something to drink? B: No, thanks. _. (just/drink some tea) 2. A: I heard you lost your key. _? (find) B: No, not yet. 3. A: Do you know when Tom is leaving? B:_. (already/leave),Use the words in brackets to complete the conversations.,Ive just drunk so
11、me tea,Have you found it yet,He has already left,4a,A: When _ ? (leave) B: This morning. 4. A: Is your sister going to the movies with us tonight? B: No. _ . (already/see the film) 5. A: What do your parents think about our plan? B: I _. (not/tell them/yet),did he leave,She has already seen the film
12、,have not told them yet,Sally _ (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She _ already _ (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and technology and loves to imagine,Fill in th
13、e blanks with the correct forms of the words in brackets.,loves,has read,4b,what the world_ (be) like in 50 years. She _ (finish) reading a book about robots last week and _(write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books
14、she _ (not read) yet and she cant wait to read them!,will be,finished,will write,has not read,Complete the chart with information about you and a friend.,A: What books have you already read? B: Ive already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter
15、was exciting, but Tom Sawyer was a bit boring.,4c,Pair Work,.单选。 1. Do you know the movie Lost in Thailand? Yes. I _ it twice. Its funny. A. saw B. see C. will see D. have seen 2. Lunch? No, thanks. I _. A. will eat B. am eating C. have eaten,D,C,Exercises,3. Our country _ a lot so far. Yes. I hope
16、it will be even _. A. has changed; well B. changed; good C. has changed; better D. changed; better 4. What are you going to do this Sunday? I _ yet. A. wont decide B. didnt decide C. havent decided D. dont decide,C,C,6. I _the book Little Woman, but Ill let you read it first. A. havent read B. dont
17、read C. wont read,5. Where are the flowers? You see, someone _ them to the window. A. moves B. has moved C. had moved D. would move,B,A,Excuse me. Have you _ (see) my dictionary? Have you _ (find) your wallet yet? I _ already _ (finish) my homework. Lets go out. _ you _ (read) todays newspaper yet?,
18、.根据所给单词的适当形式填空。,seen,found,have finished,Have read,1. 我已经读完了这本科幻小说。 2. 我上个月参加了读书俱乐部，并已读 了五本书。,.翻译下列句子。,I have already finished reading the science fiction.,I joined the book club last month and I have read five books already.,3. 托尼昨天买了一盘流行音乐CD，但他还没听。 4. 汤姆还没有看过那部新电影。 5. Jim已经完成了他的家庭作业，现在空闲了。,Tony bo
19、ught a pop music CD yesterday but he hasnt listened to it yet.,Tom hasnt seen the new film yet.,Jim has finished doing his homework already. He is free now.,U8 S -,(2019镇江） The drama series The Thunder（破冰行动） hits screens these days. Oh. What a pity! I _ any of them yet. A. doesnt watch B. didnt watch C. wont watch D. havent watched,中考链接,【答案】D 【解析】句意：电视剧破冰行动近日在银幕上映。啊，真遗憾！我一点也还没看过呢。根据句意和标志词“yet”可知此处要用现在完成时，故选D。,Review the new words and expressions. 2. Make sentences using the present perfect tense with “already” and “yet”. (at least 10 sentences),Homework,
