Proved, proven - past tense

[Jaggers]

In the sentence:

"Whatever your views on Thatcher, her fears about the European Central Bank have certainly proven to be well-founded."

would "proved" be better, and if so, why?

 

[Rover_KE]

''...have proved to be' is preferred by most BE speakers. AE speakers will probably tell you they prefer 'have proven to be' when they wake up later.

I only use 'proven' as an adjective: 'That's a proven fact'.

Rover

 

[Raymott]

"In the 20th century, proven has made inroads into the territory once dominated byproved, so that now the two forms compete on equal footing as participles. However, when used as an adjective before a noun, proven is now the more common word: a proven talent." Usage Note
proved - definition of proved by the Free Online Dictionary, Thesaurus and Encyclopedia.

 

[5jj]

Note that 'proven' is generally pronounced /ˈpru:v(ə)n)/. However, in the Scottish trial verdict of not proven, it is /prəʊv(ə)n/. See also this.

 

[konungursvia]

''...have proved to be' is preferred by most BE speakers. AE speakers will probably tell you they prefer 'have proven to be' when they wake up later.

Confirmed!

 

[SoothingDave]

I, too, prefer "proven."