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BMO Posted 22 years ago
Grammar

Simple sentence - has been proved

which is correct:

1. the strategy has been proved to be effective.
2. the strategy has been proved effective.
3. the strategy has proved to be effective.
4. the strategy has proved effective.

5. the strategies have been proved to be effective.
6. the strategies have been proved effective.
7. the strategies have proved to be effective.
8. the strategies have proved effective.

thanks.

bmo
  

Top answer

Provided you capitalized the first word of each sentence , all eight would be correct!

  • Provided you capitalized the first word of each sentence , all eight would be correct!
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5 Answers
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Provided you capitalized the first word of each sentence Emotion: sad , all eight would be correct!
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Thanks. Any differences? Active and passive voices have the same meanings?
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The proof is much stronger in 1, 2, 5, and 6. Someone proved that the strategy was effective, although it is expressed in the passive.

In the others, "proved to be" is as weak as "was found to be", "turned out to be", "was seen to be".

The problem was proved to be unsolvable. (Some sort of mathematical proof was probably involved here.)
The problem proved to be more di
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Got it, thanks a lot.

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