状语从句与主系表结构

ddbxyrj

1.v.ing 做状语时，是修饰谓语 还是 谓语结构 还是谓语后面的to..呢 见下例
208. (GWD-24-17) (OG12-63) The yield of natural gasfrom Norway's Troll gas field is expected to increase annually until the year 2005and then to stabilize at six billion cubic feet a day, which will allow such anextraction rate at least for 50 years' production. （KEY:2005, then stabilizing atsix billion cubic feet a day, which will allow such an extraction rate for atleast)
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2.v.ing 做状语时，在主系表结构中仅仅只表示伴随动作么 不表示因果关系么？见下例
163.Because there areprovisions of the new maritime code that provide that even tiny islets can bethe basis for claims to the fisheries and oil fields of large sea areas, theyhave already stimulated international disputes over uninhabited islands.
A.    Because there are provisions of the new maritime code that provide thateven tiny islets can be the basis for claims to the fisheries and oil fields oflarge sea areas, they have already stimulated
B.    Because the new maritime code provides that even tiny islets can be thebasis for claims to the fisheries and oil fields of large sea areas, it hasalready stimulated
C.    Even tiny islets can be the basis for claims to the fisheries and oilfields of large sea areas under provisions of the new maritime code, alreadystimulating
D.     Because even tiny isletscan be the basis for claims to the fisheries and oil fields of large sea areasunder provisions of the new maritime code, this has already stimulated  
E.    Because even tiny islets can be the basis for claims to the fisheriesand oil fields of large sea areas under provisions of the new maritime code,which is already stimulating
KEY:B
其中“ChaseDream GMATPrep2008 语法笔记 V 2.02.doc”中对 C 的解释有“由于前面是主系表结构，所以stimulating不做伴随结果状语，割裂前后因果关系”
想求证一下

谢谢各位 踊跃投票 回复观点

ddbxyrj

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ddbxyrj

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gato

刚看到superbat说前面是主系表结构，ving 不能做伴随结果，只能做补充说明。

ddbxyrj

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ddbxyrj

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ddbxyrj

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