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1、2016年宝鸡市,中学教师翻转课堂与微课制作,专项培训第三期,姓名:崔兰,学校:槐芽初级中学,专业:英语,教育格言:,授之以鱼,不如授之以鱼。,Unit 8 Have you ever been to a museum?,Section A 3 Grammar focus-4c,Revision,Read the following sentences we have seen.,Have you read Little Women yet? Yes, I have./ No, I havent. Has Tina read Treasure Island yet? Yes, she has.
2、 She thinks its fantastic. Have you decided which book to write about yet? Yes, I have. Ive already finished reading it. It was really good.,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 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.
3、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。 (注:例子中单词的变化顺序为:动词原形 动词的过去式 动词的过去分
4、词),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; reply replied replied 4. 词尾只有一个辅音字母的重读闭音
5、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. 结尾的字母d变t。如: lend lent lent; build built built; send sent sent 8. 变为以-ought或-aught结尾。如: buy bou
6、ght 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(是句子主语)+have / has+ 过去分词(+ 其他),already和y
7、et都可以作为现在完成时的标 志词,但它们的用法不同。 already一般用于肯定句中。如: We have already cleaned up our classroom. 注意:already用于疑问句中时通常表示惊奇。如: Have you finished your homework already? I cant believe it.,yet一般用于疑问句和否定句中。如: Have you seen her yet? The bus hasnt come yet.,1. Write the forms of the past tense and past participle:
8、drink _ _ see _ _ find _ _ leave _ _ tell _ _,drank drunk,saw seen,found found,left left,told told,Why is Mr. Yang still in the teachers office? Maybe he _ his work yet. A. doesnt finish B. hasnt finished C. havent finished,B,4a Use the words in brackets to complete the conversations. 1. A: Would yo
9、u like something to drink? B: No, thanks. _. (just/ drink some tea) 2. A: I heard you lost your key. _? (find) B: No, not yet.,I have just drunk some tea,Have you found it,3. A: Do you know when Tom is leaving? B: _. (already/ leave) A: When _? (leave) B: This morning. 4. A: Is your sister going to
10、the movies with us tonight? B: No. _. (already/ see the film),He has already left,did he leave,She has already seen the film,5. A: What do your parents think about our plan? B: I _. (not/ tell them/yet),havent told them yet,4b Fill in the blanks with the correct forms of the words in the brackets. S
11、ally _ (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 what the world _ (be) like in 50 yea
12、rs.,loves,has,read,will be,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 she _ (not read) yet and she cant wait to read them.,finished,will write,hasnt read,4c
13、Complete the chart with information about you and your friend.,A: What books have you already read? B: I have already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring.,( )【2013广西贵港】 Do you know the movie Lost in Thailand? Yes. I _ it twice. Its funny. A. saw B. see C. have seen D. will see,C,中考链接,( )【2013黑龙江牡丹江】 Lunch? No, thanks. I_. A. will eat B. am eating C. have ea
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