"it has been proved" vs "it was proved"

Question

"it has been proved" vs "it was proved"

Both "it was proved" and "it has been proved" are correct, but they are used in different contexts. "It was proved" is used when referring to a specific past event, while "it has been proved" is used when emphasizing the present relevance of a past action.

Last Updated: March 27, 2024

Use "it has been proved" when you want to highlight that something was demonstrated or established in the past and still holds true.

Examples:

It has been proved that exercise is beneficial for health.
The effectiveness of the treatment has been proved by numerous studies.

Alternatives:

it has been demonstrated
it has been established
it has been shown

Use "it was proved" when talking about something that was demonstrated or established in the past.

Examples:

It was proved that he was innocent.
The theory was proved wrong by the new evidence.

Alternatives:

it was demonstrated
it was established
it was shown

Answer 1

it has been proved

This phrase is correct and commonly used when emphasizing the present relevance of a past action.

Answer 2

it was proved

This phrase is correct and commonly used when referring to a specific past event.

"it has been proved" vs "it was proved"

it has been proved

it was proved

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