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it has been proven to work vs it has been proved to work

A complete search of the internet has found these results:

it has been proven to work is the most popular phrase on the web.

More popular!

it has been proven to work

3,790,000 results on the web

Some examples from the web:

  • Positive reinforcement has been proven to work.
  • Look, we all know that you're a legend and all, but our program has been proven to work.
  • At 30 the countdown in regards to wrinkles begin. It is therefore important to use a wrinkle cream that has been proven to work.
  • Many Members are concerned that the existing system of financial control will disappear before a new system which now exists only on paper has been proven to work.
  • It can sometimes depend on your genetics too, but exercise has been proven to work.
  • The following receiver has been proven to work with our system: BR
  • 355 Cable GPS (GlobalSat Corporation).
  • There is no one single method that has been proven to work in any one area.

it has been proved to work

736,000 results on the web

Some examples from the web:

  • This may seem paradoxical at first sight, but it has been proved to the hilt by the two and a half years of experience referred to.
  • It has been proved that information technology and communications increase labour productivity.
  • Again it has been proved that the European Union is a magnet for this continent.
  • It has been proved scientifically that it is possible to cure impotence with the right medication.
  • However, it has been proved that that is the case.
  • It has been proved in immigration and paternity cases.
  • And the third, that the means considered adequate to punish the abuse do not harm the very Victims of the original abuse, once it has been proved to exist.
  • It has been proved across the Member States that the use of tax incentives for cleaner fuels accelerates their market penetration and consumer acceptance.

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