1、Unit 4History and TraditionsDiscovering Useful Structuresa broken hearta lost dogan organized trip一颗破碎的心一颗破碎的心 丧家之犬丧家之犬有组织的旅行有组织的旅行 a heart which is brokena dog which is losta trip which is organized a lighted candle一支点燃的蜡烛一支点燃的蜡烛a used stamp一枚用过的邮票一枚用过的邮票Translationan injured finger一个受伤的手指一个受伤的手指一个
2、醉鬼一个醉鬼a drunken mana broken coin一枚破损的硬币一枚破损的硬币一名退休教师一名退休教师a retired teacher注意过去分词做注意过去分词做定语定语的位置的位置a closed door a broken window1 单个的过去分词作单个的过去分词作定语定语时，位于它时，位于它所修饰的名词或代词所修饰的名词或代词_a polluted river前面前面注意过去分词做定语的位置注意过去分词做定语的位置1.He is one of those invited.2.There was nobody punished here.单个的过去分词修饰复合不定代词
3、单个的过去分词修饰复合不定代词something,everything,anything,something,everything,anything,nothing,nobodynothing,nobody等或指示代词等或指示代词thosethose时，时，要放在这些词的要放在这些词的_后面后面 a picture painted by Leonardo da Vincia woman dressed in white2.2.过去分词短语过去分词短语作定语：通常作定语：通常_，其作用相当于其作用相当于定语从句定语从句。1)Its a picture _ _ painted by Leonard
4、o da Vinci2)There was a woman _ _ dressed in white注意过去分词做注意过去分词做定语定语的位置的位置that/which wasthat/who was后置后置1.I like reading the novels _(write)by Zhang Ailing.=I like reading the novels _ by Zhang Ailing.Which were written注注:本句中的过去分词作定语，本句中的过去分词作定语，既表被动又表完成。既表被动又表完成。Change the following past participle
5、s into clauses.written2.The girl who is dressed in red is Kellys long-lost friend.=The girl _ is Kellys long-lost friend.练习练习:句型转换句型转换1.A thief stole the goat that was tied to the tree.=A thief stole the goat _ to the tree.tieddressed in red3.The castle,which was burnt down in the sixteenth century,
6、was never rebuilt.=The castle,_ _,was never rebuilt.burnt down in the sixteenth century4.Father beat the son who was lost in the online games.=Father beat the son _ in the online games.lost1.语态上语态上现在分词现在分词:表示主动的动作表示主动的动作过去分词过去分词:表示被动的动作表示被动的动作He is the man swimming in the river just now.He was readi
7、ng a novel written by Charles Dickens.过去分词和现在分词在做定语时的区别：过去分词和现在分词在做定语时的区别：2.时间上时间上现在分词现在分词:表示正在进行表示正在进行过去分词过去分词:表示完成表示完成 the rising sun the risen sun the falling leaves the fallen leaves boiling water boiled water a changing world a changed world the developing country the develoed country过去分词和现在分词在
8、做定语时的过去分词和现在分词在做定语时的区别：区别：过去分词表示过去分词表示被动被动或或完成完成；现在分词表示现在分词表示主动主动或或进行进行。总结：总结：His book _ last year sells well.His book _ now will be on sale next year.His book _ next year will be his best one.The press(出版社)_ his book is famous in the city.published being published to be published publishing publish
9、过去分词作定语【情境探究】用所给词的适当形式填空,并指出其在句中充当的成分。1.So many hundreds of _(terrify)people died every time there was a tornado.(定语)2.He found that it came from the river _(pollute)by the dirty water from London.(定语)3.They had castles _(build)all around England,and made changes to the legal system.(宾语补足语)4.We coul
10、d get our car battery _(charge)in the square.(宾语补足语)5.We heard it _(announce)that there were no audio guides left.(宾语补足语)terrifiedpollutedbuiltchargedannounced即时练习 单句语法填空1.We must adapt our thinking to the_(change)conditions.我们必须调整思路来适应改变了的情况。2.The _(retire)man was very interested in painting.那位退休的人
11、对绘画非常感兴趣。3.The_(injure)workers are now being taken good care of in the hospital.受伤的工人现在在医院受到良好的照料。4.This will be the novel of its kind ever_(write).这将是这类小说中写得最好的。5.Who were the so-called guests_(invite)to your party last night?.昨晚被邀请参加你的晚会的那些所谓的客人是谁呀？changed retired injuredwritten invited6.Nothing_(
12、report)in the newspaper interested him.报纸上没有什么报道使他感兴趣。7.He is one of those _(invite).他是那些被邀请的人之一。8.The experience_(gain)is very useful.获取的经验很有用。9.They decided to change the product _(use).他们决定改变使用过的产品。10.Most of the people_(question)were students.大多数被询问的人都是学生。11.Well go on with our experiment as soo
13、n as we get the_(add)fund.一旦得到补助金，我们就继续做这个实验。reported invited gained used questioned added拓展练习1To tell the truth,you must make every effort to improve your _(speak)English2To his surprise,Jack found his son _(dress)as Santa Claus on Christmas Eve3The yoga club,_(open)last month in our school,is popu
14、lar among women teachers4.The student likes reading stories _(write)by the famous writer5Many _(use)computers will be sold in this market6Prices of daily goods _(buy)through a computer can be lower than store prices7Today,there are many people _(visit)the park every day8We should pay attention to th
15、e physical and mental health problems _(cause)by a lack of sleepspoken dressed opened written used bought visiting caused9.The witnesses_by the police just now gave very different descriptions of the fight.(question)10.The first textbook _(write)for teaching English as a foreign language came out in
16、 the 16th century.11.Whats the language _(speak)in Germany?12.Thousands of products _(make)from coal are now in daily use.13.The Emperors New Clothes is an _ text.All of us are _ about it.(excite)14.The_(excite)children are opening their Christmas presents.15.The animal and plants that they found there were _(astonish)16.I was_(astonish)to learn that his long lost child had been found.17.The _ news made us_.(disappoint)questioned written spoken made exciting excited excited astonishing astonished disappointing disappointed
