英语：unit3(scienceversusnature)资料(12)(译林牛津版5).pptx

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1、Period ThreeGrammar and usage第1页/共35页1.verb-ed forms used as adverbs and adjectives1)Look at the following sentences and decide the part of speech of the verb-ed form.a.If I had the chance,I would have a cloned baby.Grammar One:verb-ed form第2页/共35页b)A dark-haired man went into the room.In the senten

2、ce above the verb-ed forms are used as adjectives.第3页/共35页Think about it and give more examples.a.The handwritten notes are from Jack.b.The kidnappers were using a stolen car.c.We should drink boiled water.d.They took the injured woman to the nearby hospital at once.第4页/共35页注意:以上句子中的 verb-ed 形式作形容词时

3、可以用定语从句替换。如：If I had the chance I would have a baby that is cloned.The kidnappers were using a car that was stolen.第5页/共35页Now change the following verb-ed forms into attributive clause.The name mentioned in the letter was unknown to me.=The name that was mentioned in the letter was unknown to me.第6

4、页/共35页The firemen were rescuing the people trapped in the fire.Scientific experiments carried out by students can be dangerous.=The firemen were rescuing the people who were trapped in the fire.=Scientific experiments which are carried out by students can be dangerous.第7页/共35页2)Decide the part of sp

5、eech for verb-ed forms in the following sentences.The cake was left untouched on the table.The girl lay trapped under the wreckage.In these sentences the verb-ed forms are used as adverbs.第8页/共35页3)The verb-ed form can be part of a compound with an adverb or a noun before it.eg.a so-called professor

6、 homemade pizza a well-accepted idea a well-paid job第9页/共35页Now translate the following examples into English.一位很受人尊敬的教授 高度发达的国家a highly-respected professor a highly-developed country第10页/共35页受过良好教育的人 训练有素的队伍手工制作的家具 欠发达地区a well-educated person a well-trained teamhandmade furniture underdeveloped reg

7、ions 第11页/共35页4)The verb-ed form can also be used as predicative of a sentence.eg.My grandfather was delighted to hear I had passed exams.Edison became interested in science when he was young.Now give more examples.第12页/共35页5)The verb-ed form can be used as object complement of a sentence.eg.As he k

8、nows very little English,he finds it difficult to make himself understood.I had my hair cut yesterday.You must make yourself heard when you talk in front of the class.After the robbery,they found the windows broken.第13页/共35页6)The verb-ed form can be used after verbs like stand,lie and sit to show th

9、e two actions are happening at the same time.eg.The girl lay in bed lost in thought.The boy sat at the table buried in his homework.She lay trapped under the building for three days.第14页/共35页Work in pairs and give a summary for the usage of the verb-ed form.verb-ed form can be used as:adverbsadjecti

10、vespart of a compoundwith an ad/n before it第15页/共35页verb-ed form can be used as:predicative object complementafter some verbs第16页/共35页Read the following article.Complete it with words in the box.excited interested bored disappointed thrilled puzzledThe job of a scientist is to find out the truth in

11、the field of science.It is a challenging profession.Scientists usually have to do thousands of experiments to prove something.第17页/共35页Although they are often_ if they fail,most of them never give up.My next door neighbor is a scientist.He studies radiation.He is always working in his lab,trying to

12、figure out all the mysteries that make him_.When I met him the other day,he had just come back from work,looking _.puzzled excited disappointed 第18页/共35页He told me he had had a breakthrough.He sounded so _.Then I noticed he was wearing shoes that didnt match.He must have been working too hard to not

13、ice!I think its good to do a job that you are _ in.Otherwise youll get _easily.thrilled interested bored第19页/共35页Rewrite the following sentences with verb-ed form.I think cloning that is done by scientists is dangerous.The problems that are created by cloning will be clear.I think cloning done by sc

14、ientists is dangerous.The problems created by cloning will be clear.第20页/共35页We dont want beasts that are created by scientists to replace us one day.The technology that is used is amazing.The only thing that is needed is a cell from your old pet.We dont want beasts created by scientists to replace

15、us one day.The technology used is amazing.The only thing needed is a cell from your old pet.第21页/共35页passive verb-ed form can expresstime reason condition Grammar Two:verb-ed phrases 第22页/共35页Shocked by the article,the woman wrote a letter to the newspaper.reason=The woman newspaper because she was

16、shocked by the article.Treated with electricity,the cell tissue will split into several parts.condition=If it is treated with electricity,the cell第23页/共35页Frightened by the thunder,the girl didnt dare to sleep alone in her own room.Once seen,it can never be forgotten.Because she was frightened by th

17、e thunder,the girlOnce it is seen,it can never be forgotten.Lets rewrite more sentences:第24页/共35页When completed,the museum will be open to the public.Unless invited to speak,you should remain silent.Lost in thought,he almost ran into the car in front of him.When it is completed,the museum will be.Un

18、less you are invited to speak,you Because he was lost in thought,he 第25页/共35页He didnt dare to walk too close,because he was frightened by the tiger.Tom did well at school,because he was encouraged by his teachers.Frightened by the tiger,he didnt dare to walk too close.Encouraged by his teacher,Tom d

19、id well at school.第26页/共35页The child wrote more poems,because he was inspired by his grandfather.The boy is bored by the game.He will not play any more.Inspired by his grandfather,the child wrote more poems.Bored by the game,the boy will not play any more.第27页/共35页Look at the following sentences and

20、 try to tell the difference between verb-ed and verb-ing used as adjectives.Grammar Three:verb-ed and verb-ing used as adjectives.第28页/共35页I noticed an amazing difference.Some people find it exciting that they can make copies of themselves in the future.I was surprised to learn that they had copied

21、a human cell.The boy was more frightened than hurt.第29页/共35页1.People have always been _(interesting/interested)in finding out about world records.2.Jack went to visit the two brothers and found that their knowledge _(amazing/amazed).Choose the correct answer.interestedamazing第30页/共35页3.After being t

22、old several times,Mr.Smith still felt _(puzzled/puzzling).4.The film“Pearl Harbor”is really _(exciting/excited).5.His response to the question was quite _(disappointed/disappointing).puzzledexcitingdisappointing第31页/共35页Fill in the blanks with the correct form of the verb for the conversation.I am.I

23、m totally _(burn)out Why?What have you been doing?Hi,you look _(tire).tiredburnt第32页/共35页Thats _(disappoint).I think youll be(please)_ when its finished.disappointingpleasedYes,youre right.But I still have plenty of work to do.School is too _(challenge)challenging第33页/共35页Dont worry.Just think of how_(relax)youll be when its finished.When do you think youll finish your homework?In about two hours,I think.relaxed第34页/共35页感谢您的观看！第35页/共35页