факта

In a sentence

• Фактът е, че трябва да си вършим работата внимателно.

  The fact is that we need to do our work carefully.

  The word 'факт' is in the nominative case and is the subject of the sentence, referring to a factual statement being made.

• Той отрече факта, че е закъснял за срещата.

  He denied the fact that he was late for the meeting.

  Here, 'факта' is in the accusative case, functioning as the object of the verb 'отрече', referencing the particular aspect or information being denied.

• Абсолютно невъзможно е да се пренебрегне факта за неговите достижения.

  It is absolutely impossible to ignore the fact of his achievements.

  In this sentence, 'факта' is also in the accusative case and is part of a collocation expressing an undeniable truth about someone's accomplishments.