Which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.??
........................ has been discovered to be a fake.

The blank should be filled with noun clause, Shouldn't it?

what about this phrase?

Which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.

Question

Which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.??
........................ has been discovered to be a fake.

The blank should be filled with noun clause, Shouldn't it?

what about this phrase?

Which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.

Answer

Which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.?? 
What was thought to be a geniune painting by Van Gogh /has turned out to be a fake/has been identified as a fake.
They discovered that the painting , which they thought was by Van Gogh., is a fake.
 A painting by Van Gogh has been discovered.

Answer

Yes there should be an adverb before this phrase. Perhaps:
We found a painting which was thought to be a genuine painting by Van Gogh has been discovered to be a fake.

Answers · 4

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