it was proved vs it has been 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 • 2190 views

it was proved

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

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.

Show examples from the web [+]

Though it was proved that I had an alibi and you later withdrew the accusation.
Though it was proved that I had an alibi and you later withdrew the accusation.
Of course, it was proved beyond any doubt... that Esme Cordelia Hoggett was not a felon.
This sentence was included in Directive 2002/73, as it was proved by experience and research that a serious reason of the reluctance of women to have recourse to courts or even to competent administrative authorities is the lack of evidence.
The accused has confessed because it was proved as soon as we got the letter.
If, therefore, it was proved that a dump did exist at this spot, a causal connection could be established between the workers' deaths and the presence of asbestos.
It is, however, recalled that during the investigation leading to the anti-circumvention measure in 1997 it was proved that the remedial effect of the duty on Chinese bicycles was undermined in terms of sales prices, and dumping existed.
as stipulated and at the time indicated in advance by the air carrier, the tour operator or an authorised travel agent and it was proved that the passenger has received a notification, or, if no time is indicated,
It was proved that he was innocent.
It was proved conclusively which crimes have been committed by Dr. Johnson.
It was proved today at the funeral how well-liked he was.
It was proved to the satisfaction of the Commission that the 3 % tax was borne by the raw materials incorporated in SWR sold domestically while it had not been collected in respect of the raw materials incorporated in SWR when exported to the Community.
...where Mrs. Germina Maldonado lives... ...who is Zubiria's widow... ...to notify that in this cause... ...it was proved that her late husband...
It was proved to me that bottom gill-netting was equally predatory or even more so.
Eventually it was proved spammer (hacker) why he was killed.
It was never proved that he was my son.
Arson was suspected, though it was never proved.
Yesterday it was until I unintentionally proved it wasn't.
Someone close to him, his mother, I believe, although it was never proved, understandably upset, made a decision.
In humans, it's only ever been theorized, but it was never proved.

Alternatives:

it was demonstrated
it was established
it was shown

it has been proved

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

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