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1、关于独立主格结构及其用法第一张，PPT共十二页，创作于2022年6月大家知道，独立主格结构是由两部分构成的词组组成。第一部分一般由名词、名词词组或代词担任，第二部分由动词的非谓语形式(动词不定式、现在分词短语和过去分词短语)、形容词、副词、名词和介词短语担任。这两部分在逻辑意义上有主谓关系，即第一部分是第二部分的逻辑主语。例如：The question settled,they went to have their lunch.The weather(being)fine,we decided to go on an outing.The teacher came in,book in han
2、d.The man lay there,his hands trembling.第二张，PPT共十二页，创作于2022年6月21独立主格结构在句子中可担任不同的句子成分。例如：The question rather difficult,we must spend more time considering it carefully.(表示原因)此句可改写为:As the question is rather difficult,we must spend more time considering it carefully.Weather permitting,we will go for a
3、n outing tomorrow.(表示条件)此句可改写为：If weather permits,we will go for an outing tomorrow.第三张，PPT共十二页，创作于2022年6月31独立主格结构根据其不同词类的搭配可归纳如下：1.名词(或代词)+现在分词短语；在这种结构中，名词(或代词)与现在分词短语之间为主动关系。例如：It being Sunday,they had no classes.此句可改写为：此句可改写为：As it was Sunday,they had no classes.The bell ringing,all the students
4、entered the classroom.此句可改写为：此句可改写为：As soon as the bell rang,all the students entered the classroom.2.名词(或代词)+过去分词短语；在这种结构中，名词(或代词)与过去分词之间为被动关系。例如：Everything taken into consideration,he is the most suitable person for the job.此句可改写为：此句可改写为：If everything is taken into consideration,he is the most sui
5、table person for the job.Her homework done,Mary decided to go shopping.此句可改写为：此句可改写为：As her homework was done,Mary decided to go shopping.第四张，PPT共十二页，创作于2022年6月413.名词(或代词)+动词不定式；在这种结构中，名词(或代词)与动词不定式之间为主动关系，动词不定式表示将来。例如：The students were divided into three groups,each to finish one third of the work.
6、此句可改写为：The students were divided into three groups,and each(group)would finish one third of the work.Here are the first three volumes,the fourth one to come out next month.此句可改写为：Here are the first three volumes,and the fourth one will come out next month.He suggested going for a picnic,Mary to prov
7、ide the food.此句可改写为：He suggested going for a picnic and Mary would provide the food.第五张，PPT共十二页，创作于2022年6月514.名词(或代词)+形容词；例如：The baby began to cry again,his face very pale and his lips colorless.此句可改写为：The baby began to cry again with his face very pale and his lips colorless.They were making a snow
8、man,hands red with cold.此句可改写为：They were making a snowman with their hands red with cold.第六张，PPT共十二页，创作于2022年6月615.名词(或代词)+介词短语；例如：He was lying on the lawn,his hands under his head.此句可改写为：He was lying on the lawn with his hands under his head.So,Oliver rose from the table and went up to the master,b
9、owl and spoon in hand.此可改写为：So,Oliver rose from the table and went up to the master with a bowl and a spoon in his hand.6.名词(或代词)+副词；例如：The meeting over,they went home at once.此句可改写为：After the meeting was over,they went home at once.His head down,he was standing at the door of the classroom.此句可改写为：H
10、e was standing at the door of the classroom with his head down.第七张，PPT共十二页，创作于2022年6月717.名词(或代词)+名词；例如：His first attempt failure,he tried again.此句可改写为：As his first attempt failed,he tried again.He fought the three rascals bravely,a stick his only weapon.此句可改写为：He fought the three rascals bravely wit
11、h a stick as his only weapon.8.Here(或there)+现在分词短语；例如：There being no bus,we had to walk home.此句可改写为：As there was no bus,we had to walk home.Here coming another guest,I had to buy one more bottle of wine.此句可改写为：Because here came another guest,I had to buy one more bottle of wine.第八张，PPT共十二页，创作于2022年6
12、月819.介词with(like,without,等)+宾语(名词或代词)+宾语补足语构成的独立主格结构；在这种结构中，作宾语补足语的主要有现在分词短语、过去分词短语、动词不定式、形容词、副词、名词和介词短语等。现在分词表示目前状态(主动)，过去分词表示动作已经完成(被动)，动词不定式则表示动作将要发生。例如：He was so tired that he fell asleep with the lamp burning.With you to lead the way,we are sure to get there on time.With so many people communic
13、ating in English every day,it will become more and more important to have a good knowledge of English.With his homework finished,he went to see a film.We could hardly see anything with the lights out.Two guards were standing at the gate,with a gun in their hands.Without one more word spoken,they wen
14、t away.The old man added a few lines and colored the open space like a child playing with a picture book.The old man lives alone with the dog his only companion.第九张，PPT共十二页，创作于2022年6月91注意：从18种结构可以看出，这些独立主格结构相当于相应的状语从句或其他结构，只不过这些从句的主语与主句主语不同罢了。如果从句的主语与主句主语一致，则只能变为分词短语；从句为主动语态时，变为现在分词短语；若从句为被动语态时，则变为过
15、去分词短语。试比较：After he did the work,he went home.=Having done the work,he went home.After the work was done,he went home.=The work done,he went home.If water is heated,it will turn into steam.=Heated,water will turn into steam.As so many people were absent,the meeting had to be put off till next week.=S
16、o many people(being)absent,the meeting had to be put off till next week.第十张，PPT共十二页，创作于2022年6月101 从第9种结构可以看出，此结构就是介词+复合宾语结构，这种结构在句中可以起到不同的语法功能。例如：With the boy leading the way,we had no difficulty in finding Mr.Greens house.此句相当于此句相当于Because the boy led the way,we had no difficulty in finding Mr.Gree
17、ns house.With Jim to help me with my English,I can do better in it.此此句相当于句相当于If Jim helps me with my English,I can do better in it.He lives in a room with its window facing north.此句相当于此句相当于He lives in a room whose window faces north.Our school looks more beautiful with all the flowers coming out.此句相当于此句相当于Our school looks more beautiful when all the flowers come out.With all the work done,he went for a holiday.此句相当于此句相当于After all the work was done,he went for a holiday.第十一张，PPT共十二页，创作于2022年6月111感谢大家观看第十二张，PPT共十二页，创作于2022年6月4/5/2023