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1、精选优质文档-倾情为你奉上高中英语学习材料（灿若寒星*制作整理）Book V Unit 1 Great scientistsPeriod 3 Discovering useful structure导学案【学习目标】1.扎实掌握过去分词作表语和定语的用法。2.自主学习，合作探究，学会总结过去分词作表语和定语的用法的方法。3.以极大的热情投入语法学习中，体验学习的快乐。【重难点】过去分词作表语和定语的用法。【课前预习案】 语境呈现 1. But he became inspired when he thought about helping ordinary people exposed to
2、cholera. (inspired过去分词作表语；exposed过去分词作定语)2. So many thousands of terrified people died every time there was an outbreak. (terrified 过去分词作定语)3. He became interested in two theories that possibly explained how cholera killed people. (interested 过去分词作表语)4. From the stomach the disease quickly attacked
3、the body and soon the affected person died.(affected 过去分词作定语)5. He was determined to find out why. （determined 过去分词作表语）6. He found that it came from the river polluted by the dirty water from London. (polluted 过去分词作定语)上面句子中的黑体词都是过去分词，句1（inspired）、句3、句5中的三个词跟在系动词became、was后作表语；而句1（exposed）、句2、句4、句6中的
4、四个词放在名词前或后修饰名词，作定语。那么过去分词是什么？有什么作用？我们将在本单元和下两个单元中与同学们一起学习。语法讲解英语中动词如果不作谓语时叫非谓语动词。非谓语动词分为：不定式（to do）、动词-ing形式（doing）和过去分词（done）。动词-ing形式可分为现在分词和动名词：现在分词强调动作，如a sleeping boy中的sleeping强调“睡觉”这一动作，而且此动作正在进行，与所修饰词boy有逻辑上的主谓关系（即sleeping的动作是boy做的），因此是现在分词作定语；而a sleeping bag中的sleeping强调功能，表示“用来睡觉的”，是动名词作定语。我
5、的疑惑 请将预习中不能解决的问题写下来，供课堂解决_ 【合作探究案】1.作定语 过去分词作定语例句展示 仔细观察下列句子中的过去分词的用法。1. The recovered animals will be released soon.2. We needed much more qualified workers. 3. Paper cuts used for religious purposes are often found in temples.4. He is a teacher loved by his students.5The student dressed in white i
6、s my daughter. = The student who is dressed in white is my daughter 归纳 1.过去分词作定语的位置单个分词放在所修饰词的_（见句1、句2），_作定语要放在被修饰的名词后面，作后置定语，表示被动或完成，其作用相当于一个_（见句3、句4、句5）。2.过去分词在语态和时态的表达过去分词在语态上表示动作_，在时态上表示动作_。（见句1此时，作定语的过去分词一般是由_动词变来的，因为只有此类动词才有被动意义。（见句1）拓展(1)不及物动词的过去分词也可作定语，一般作前置定语，不表示被动意义，只强调动作完成。如：fallen leaves
7、落叶；retired workers _；the risen sun _。(2) 现分和过分作定语的区别动词-ing形式作定语时与所修饰的名词之间是_关系，表示动作_；而过去分词作定语时，则表示_ 或 _ 意义。如：1. Look at that running dog.2. Who is the girl writing a letter there?3. The book written by Lun Xun is very popular.2.作表语(1)当“人”做主语时用过去分词作_，表示主语的状态或思想感情等。He seemed quite delighted at the idea
8、.听到这个想法，他似乎很高兴。(2)过去分词作表语不要与被动语态混为一体。分词作表语表示主语的_，而被动语态则表示_。比较：My glasses are broken.我的眼镜碎了。(状态)My glasses were broken by my son.我的眼镜被我儿子摔碎了。(动作)小结:分词是动词的一种非谓语形式，主要起_和_的作用，可以作_、_或是_等 分词有两种，一种是_，一种是_。这两种分词在句子中能担任的成分大体相同，主要是在“意思”上有主动和被动之分。过去分词有两大特点：一是表_；二是表_。过去分词在句中可用作_、_、_或_等成分。过去分词在句中作某种成分时，其逻辑主语一般为该
9、分词所表示的动作的承受者。【巩固提高案】一、用适当形式填空。1. The animal and plants that they found there were _ (astonish)2. I was _ (astonish) to learn that his long lost child had been found.3. The _ news made us _ (disappoint)4. The _ mother went to visit Einstein. (puzzle)5. The fierce lion looks _ (frighten). Keep away fr
10、om its cage or it will attack you.二、单选1. The Emperors New Clothes is an _ text. All of us are _ about it.A. exciting; exciting B. excited; excited C. excited; exciting D. exciting; excited2. Im very _ with the dish I cooked. It looks nice and smells delicious. Mm. It does have a _ smell. A. pleasant
11、; pleasedB. pleased; pleased C. pleasant; pleasantD. pleased; pleasant 3. I have read plenty of books _ by Lu Xun.A. writtenB. wrote C. writes D. writing4. Lily seems very much _ in the magazine, but I think its too expensive.A. interested B. interesting C. to interest D. to be interesting5. All the
12、 passengers should remain _ when the plane is making a landing.A. seat B. seating C. to be seating D. seated6. _ are now _ good care of in the hospital.A. The workers injured; takenB. The injured workers; being takenC. The injured workers; takenD. The workers injured; being taken7. Linda worked for
13、the Minnesota Manufacturing and Mining Company, _ as 3M. A. knowing B. known C. being known D. to be known8. The disc, digitally _ in the studio, sounded fantastic at the party that night. A. recorded B. recordingC. to be recorded D. having recorded9. Dont use words, expressions, or phrases _ only t
14、o people with specific knowledge. A. being known B. having been known C. to be known D. known10. The flowers _ sweet in the botanical garden attract the visitors to the beauty of nature. A. to smell B. smelling C. smelt D. to be smelt三、分别用定语从句和V-ed形式互换完成下列句子。1. The question discussed was very import
15、ant.= The question _ was very important.2. The building which was built now collapsed in the Wenchuan earthquake.= The building _(去年建的楼房) now collapsed in the Wenchuan earthquake.3. The window _(被那个顽皮男孩打破的) is being repaired= The window which was broken by the naughty boy is being repaired4. The children _(昨天在医院检查的) were seriously ill.= The children which was checked in the hospital were seriously ill.5. The people _(暴露在阳光下的) got sunburnt.= The people who was exposed to the sun got sunburnt.专心-专注-专业