大学英语语法12状语从句

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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,College English Grammar:,Grammar and Writing,By,Zhu Xiangjun,Unit 12,Clause: Adverbial clauses,Grammar:,Adverbial clauses,Writing:,Correcting:,Article Misuse,Rewriting,:,Periodic/Loose sentences,Adverbial Clauses,1. Functions,An adverbial clause,is a subordinate clause that functions as an adverb to modify a verb, an adjective, or an adverb. It tells,when, where, how, why, to what extent,or,under what condition.,1.1. To modify a verb,She passed the driving test.,She obtained her driving license.,After,she had passed the driving test, she,obtained,her driving license. telling,when,1.2. To modify an adjective,The library is a good place.,There we study well.,It is quiet.,The library is a,good,place to study because,it is quiet,. telling,why,1.3. To modify an adverb,He was often disappointed.,He became hopeless.,He was disappointed,so,often,that he became hopeless,. telling,to what extent,2. Forms and kinds,An adverbial clause always begins with subordinating conjunction (such as,if, when, because,than,although,) and includes a subject (S.) and a predicate (P.).,An adverbial clause = subordinating conjunction + S. + P.,Subordinating conjunctions that introduce adverbial clauses may indicate a relationship of,time, place, manner, reason, condition,or,degree,. They cannot be omitted. They cannot be subjects.,Here are kinds of adverbial clauses and some of their subordinating conjunctions.,Place:,where, wherever,Time:,after, before, since, until, when, whenever, while,etc.,Manner:,as, as if,etc.,Reason:,as, because, for, in order that, since, so that, that,etc.,Degree:,as, than,etc.,Condition:,in case, if, even if, provided, unless,etc.,Concession:,although, though, as, whereas, while,etc.,She goes to any place.,There are always crowds of people.,They are waiting to see her.,Wherever,she goes,there are always crowds of people waiting to see her.,He rang off.,I had no time to explain.,He rang off,before,I could explain.,He was exhausted.,He had been seemingly working for hours.,He was exhausted,as if,he had been working for hours.,3. Punctuation,When an adverbial clause begins the sentence, a comma is used to separate it from the main clause.,She hesitated for a moment.,She finally went in.,She asked to see a dress.,The dress was in the window.,Though she hesitated for a moment,she finally went in and asked to see a dress that was in the window.,When the adverbial clause finishes the sentence there is no need for a comma.,He waited and waited.,The volcano became quiet.,He waited and waited,until the volcano became quiet.,You can hear the clock.,You can do so on the radio,Microphones are connected to the clock tower.,You can hear the clock on the radio,because microphones are connected to the clock tower.,4. Position,Like an ordinary adverb, the location of an adverbial clause in a sentence is very flexible. You can place an adverbial clause at the beginning, at the end, or in the middle of a sentence.,If there are two adverbial clauses in a sentence, we usually place one in front of the main clause and one behind it, as shown below.,If the car had been larger,we would have bought it,because we had a big family,.,When the action described in the adverbial clause happens before the action in the main clause, it is more natural and more logical to place the adverbial clause before the main clause and vice verse. So, of the three sentences above, the first one sounds better than the third. See another example.,Until the rain stopped,they waited and waited. less natural,They waited and waited,until the rain stopped.,more natural,When an adverbial clause is inserted in the middle of a sentence, it is usually put between the subject and verb, indicating that the writer gets a sudden idea or feels necessary to mention or to illustrate.,My sister, while I was taking a shower,called from California.,The old lady, after she had had a dinner,set out to call on her second daughter.,Note 1. Reducing Adverbial Clauses,Adverbial clauses (particularly time clauses with after, before, while, when and so on) can be shortened to phrases only when the subject of the adverbial clause is the same as the subject of the main clause and its verb is “be. The steps are,Check that the subject of both (main and subordinate) clauses is the same person.,Omit the subject of the first clause.,Omit the verb “be.,Replace the pronoun with the original noun so that information is not lost.,If,a drop of oil,is,placed in a glass of water,it,would float to top.,If placed in a glass of water, a drop of oil would float to top.,After,he,was,defeated by Jackson,he,was quickly forgotten.,After defeated by Jackson,he was quickly forgotten.,Jack,rose to fame swiftly after a boxing match,when,he,was,only sixteen years old,.,Jack rose to fame swiftly after a boxing match,when only sixteen years old.,Though,Verrazano,is,by no means considered to be a great explorer,he,will probably never be forgotten.,Though by no means considered to be a great explorer,he will probably never be forgotten.,If there is no be verb, change the verb in the subordinating clause to its,-ing,form. Sometimes the subordinate conjunctions can be deleted as well.,When he returns home at night,he always finds that someone has parked a car outside his gate.,When returning home at night,he always finds that someone has parked a car outside his gate.,Returning home at night,he always finds that someone has parked a car outside his gate.,2) Special subordinators indicating time:,the minute, the moment, the second, the instant, the day,,,every time, immediately, directly, no sooner than, hardly when, scarcely when.,The moment,I spoke,I regretted my words.,I programmed my computer to scan for viruses,every time,it turns on.,I told him,immediately,he came.,No sooner,had I arrived home,then,it began to rain.,3) Special subordinators indicating place,:,where, anywhere, everywhere,Generally, air will be heavily polluted,where,there are factories.,Where,there is a will, there is a way.,You can go,anywhere,you like.,They collect antique furniture and folk ornaments,everywhere,they go.,4) Special subordinators indicating condition: providing/provided that, supposing that, on condition that,I will come provided that I am well enough.,Supposing (that) you are wrong, what will you do then,I will lend you the book on condition that you return it on Monday.,5) Special subordinators indicating concession:,as, whatever (= no matter what), whoever (= no matter who), wherever (= no matter where), whenever (= no matter when), whichever (= no matter which),Much,as,I respect him,I cant agree to his proposal.,Whatever,you say,I shall hold to my decision.,However,hard I worked,she was never satisfied.,You can take,whichever,you like.,6) Special subordinators indicating comparison:,the more the more ; A is to B what /as X is to Y;,The more,you exercise,the healthier,you will be,.,Food is,to,men,what,oil is,to,machine,.,7) Special subordinators indicating manner:,the way,Sometimes we teach our children,the way,our parents have taught us.,Combine the sentences in each set into a single clear sentence containing at least one adverbial clause.,1. This time, he managed to climb into the mouth of the volcano.He could take photographs. He could measure temperatures.,This time, he managed to climb into the mouth of the volcano so that he could take photographs and measure temperatures.,2. He looked very well. He was rather thirsty.He drank half a bottle of milk.,He looked very well though he was rather thirsty, for he drank half a bottle of milk.,3. He owned a large car. He hardly ever used it.He preferred to go on foot.,Though he owned a large car, he hardly ever used it, preferring to go on foot.,4. The teacher explained that passage. He did so again and again.Every student might understand it.,In order that every student might understand it, the teacher explained that passage again and again.,5. He has five hundred gold watches.These watches were hidden in his suitcase.The smuggler is never troubled by such feelings.,The smuggler is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.,6. The officer heard the news. The officer was in the control tower.He was very angry.Balloons can be a great danger.The danger is to aircraft.,The officer in the control tower was very angry when he heard the news, because balloons can be a great danger to aircraft.,Article Misuse,There are two types of articles: the indefinite article (a/an) and the definite article (the). “a/an is used before singular nouns, referring to any member of a class while “the can be used before both singular and plural nouns, referring to one particular member of a class.,If you are free, please buy me a book. (any, indefinite),If you are free, please buy me the book(s). (specific),In addition, when you speak of something for the first time, use “a or an; the next time you repeat that object use “the.,We have an old musical instrument, which was made in Germany in 1681. The instrument has belonged to our family for a long time since it was bought by my grandfather many years ago.,Only countable nouns have the single form and plural form. They can not be used alone except that they are used in idioms. Generally, you have to place the word “a/an before them if they are single, or you have to add the suffix “-s/-es to them if they are plural.,When it grew dark, she turned a suitcase into a bad and put the children inside it, covering them with all the clothes.,The population and the labor force have moved dramatically from farms to services industries, thus providing more personal and public services.,1. Dont use “a/an with uncountable nouns.,A/an can be used only with countable nouns. As for uncountable nouns, you can use “the or use no article. The difference is that “the signals the noun is specific while no article signals the noun is indefinite., A water is very important to life., Water is very important to life.,Milk and cream are major dairy products. (indefinite),Shall I sugar the milk for you (specific),2. Dont use an article with countries, states, counties or provinces, lakes and mountains., The England is a country that is part of the United Kingdom., England is a country that is part of the United Kingdom.,(But we use the article “the when the country is a collection of states such as the United States and “the United Kingdom.), The view is to the east-southeast from the western shore of the Lake Michigan in the Door County., The view is to the east-southeast from the western shore of Lake Michigan in Door County.,3. Dont use an article with names of languages and nationalities.,She attends a night school to learn,the Chinese,.,She attends a night school to learn Chinese.,She is,an American,.,She is American. / She is an American girl.,4. Dont use an article with names of sports.,My husband is keen on,the football,.,My husband is keen on football.,I believe you are quite gifted for,a boxing,.,I believe you are quite gifted for boxing.,5. Dont use an article with names of academic subjects.,John minors in,a computer science.,John minors in computer science.,He has an intimate knowledge of,the American literature,.,He has an intimate knowledge of American literature.,Correct the following misused articles and add articles if necessary.,Fisherman and sailor sometimes claim to have seen monster in a sea.,Small fishing boat was carried miles out to sea by the powerful fish.,A police had been told that bomb had been planted on plane.,I used to travel by the air a great deal when I was the boy.,A god which has head of cow was normally placed inside mummy.,Fortunately, pilot saw a signal and sent message by the radio to a nearest town.,There he was picked up by policeman and sent back to the England by local authorities.,Let us suppose that child suddenly crosses road in the front of you.,In the 1860, better plan was put forward by Englishman, William Low.,As soon as he opens gate from outside, he comes into a garden and waits until a gate shuts.,2. Lack of a complete verb,A predicate verb is most necessary for a sentence. The error of lacking a complete verb can be corrected by:,1) adding a complete verb or a helping verb to make the sentence complete;,2) combining the fragment with another sentence.,I was fully awake now.,I wondering what had happened to me.,I was fully awake now. I was wondering what had happened to me.,I was fully awake now, wondering what had happened to me.,Fully awake now, I was wondering what had happened to me.,3. Lack of both a subject and a verb.,A group of words without a subject and a verb is only a fragment. The error can be corrected by combining it with another sentence.,The Titanic was completed in 1912.,The most luxurious ship of its day,.,The Titanic, the most luxurious ship of its day, was completed in 1912.,Completed in 1912, the Titanic was the most luxurious ship of its day.,4. Lack of a main clause,A main clausesometimes called an,independent clause,is a clause that can stand by itself and still make sense. You must have at least one main clause in every sentence. A main clause is,the,essential component. Without a main clause, a group of words is a fragment. Two solutions are available:,1) combining the fragment that is a subordinate clause with a main clause;,2) rewriting the fragment as a complete sentence, eliminating the subordinating conjunction or the relative pronoun and adding words necessary to make a complete thought.,Grandparents always held a special place in caring for the little ones.,Because they had more time to devote to them,.,Grandparents always held a special place in caring for the little ones, because they had more time to devote to them.,Grandparents always held a special place in caring for the little ones. They had more time to devote to them.,Exercises:,Find the missing word and correct the following sentence fragments.,1. The play will soon over.,2. A strange flying object seemingly in the backyard.,3. The cat maybe on the roof or in the bushes.,4. I always nervous in the first day of classes.,5. Stanley always ready for a fight.,6. Lighting the dark sky for a few seconds.,7. Pumas are found in America. Large, cat-like animals.,8. The searching went on for several weeks, but the murder not caught.,9. Well say goodbye to him, because hell away for two months.,10. The team plans to stay here for five days. During this time, will give five performances.,11. The beggar may ask you for money. But never ask you to feel sorry for him.,12. “Oh, that,he said with a smile as if he talking about an old friend.,Correcting:,Fishermen,and,sailors,sometimes claim to have seen,monsters,in the sea.,A,small fishing boat,The,police had been told that,a,bomb had been planted on,the,plane.,by the air; the boy a boy,The,god which has,the,head of,a,cow was normally placed inside,a,mummy.,Fortunately,a,pilot saw,the,signal and sent,a,message by the radio to,the,nearest town.,a,policeman and sent back to the England by,the,local authorities,a,child suddenly crosses,the,road in the front of you,In the 1860,a,better plan was put forward by,an,Englishman, William Low.,he opens,the,gate from,the,outside, he comes into,the,garden and waits until,the,gate shuts,Assignment,:,The exercise in this section is to create effective passages by combining the short sentences which you think is related into longer, more complex ones. If there are some mistakes, correct them.,Passage 1,(Adapted from Lesson 20, New Concept English III by L.G.Alexander),In 1908, Lord Northcliffe took out $1,000 to reward the first man if he could fly cross the English Channel. However, it was over a year later, someone made a first try. In the early morning on July 19th, 1909, Hubert Latham drove a plane “Antoinette IV flies up from the French coast. But he flew over only seven miles above the Chennel. His engine broke down. He had to land on the sea. The “Antoinette floated on the sea. Later a ship passed by. They picked up Latham.,Two days later, Louis Bleriot drove a plane come to the place not far away from Calais. The plane was named “No.XI. Bleriot began to make plane from 1905. “No.XI was his newest plane. A week ago, he had successfully made an overland fly. He flew twenty-six miles. But Latham would not like to give up easily. On the same day, he drove a new “Antoinette come to Calais. It was quite clear. There would be a fierce match of crossing English Channel. Two planes were planned to fly off on July 25th. But Latham got up later on that day. Bleriot made a short test fly at 4:15. Half an hour later, he set off normally. His great fly lasted thirty-seven minutes. He landed near Dover. The first man greeted him was a police. Latham also made a try after a week later. He flew to a place less than half mile to Dover. This time he also met misfortune. His engine broke down. He had to land on the sea for the second time.,
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