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如何理解分词独立结构

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如何理解分词独立结构
在分词作状语时,其逻辑主语一般应与句子的主语一致.如果不一致,分词前,需假一个主语,称为逻辑主语(名词或代词),这时“逻辑主语 + 分词…”构成分词独立结构.分词独立 结构可表示伴随情况、陪衬动作、附加说明以及表示时间、原因、条件等.
1,Maggie ran back to the kitchen,eggs held carefully in her hand.(伴随动作)
2,They being blind men,how could they see the elephants? ( =As they were blind men...) (表示原因)
3,Circumstances changed,it is necessary for you to make a new plan.(表示原因)
4,A force acting through a distance,work is done.(表示条件)
5,The moon has no light of its own,only sunlight shining on it.(附加说明)
6,She rushed out the room,the little baby carried in her arms.(伴随动作)
7,Both bright side and dark side considered,you will have the confidence to overcome this difficulty.(表示条件)
8,All flights having been cancelled because of the snowstorm,many passengers could do nothing but take the train.
there be和it构成分词独立结构,作状语修饰主句,there和it相当于分词的逻辑主语.
9,There being nothing else to do,we went home.
10,There shavings been no rain,the plants withered.
11,It being impossible for most students to turn in their papers as scheduled,the teacher decided to give them another two days.
12,The sale usually takes place outside the house,with the audience __on benches,chairs or boxes.
A) having seated B) seating C) seated D) having been seated
With + 分词构成独立结构,seat被动形式表示主动意思.
13,He came in and was seated in the chair.Please come in and be seated.
So many directors____,the board meeting had to be put off.
分词独立结构,主语与分词之间是主谓关系.