Breakdown of Il fatto che abbiamo sfatato la teoria è certo.
essere
to be
avere
to have
che
that (conjunction introducing a clause)
certo
of course, sure
la teoria
the theory
il fatto
the fact
sfatare
to debunk
Questions & Answers about Il fatto che abbiamo sfatato la teoria è certo.
Why do we use the indicative abbiamo sfatato here rather than the subjunctive?
The phrase il fatto che (the fact that) only takes the subjunctive if the main clause expresses a subjective evaluation, emotion, or doubt. Since this sentence ends with è certo (is certain), it states an objective reality. Therefore, the indicative mood is required.
Since abbiamo is the same in both the present indicative and present subjunctive, how can we tell which one it is here?
We know it's the indicative strictly because of the grammatical trigger (è certo). If the sentence ended with a subjective trigger like è sorprendente (is surprising), the phrase abbiamo sfatato would look identical but would technically be the subjunctive (congiuntivo passato). If you change the subject to "he", the difference becomes visible: ha sfatato for the indicative vs. abbia sfatato for the subjunctive.
What is the infinitive of sfatato, and when do Italians typically use it?
The infinitive is sfatare, meaning "to debunk", "to disprove", or "to dispel". It is a great upper-level verb usually paired with words representing falsehoods or unproven ideas, such as una teoria (a theory), un mito (a myth), or un tabù (a taboo).
Could we use an infinitive structure here instead of che + conjugated verb?
No. You can only replace a che clause with an infinitive (like di + infinitive) when the subject of the main clause and the subordinate clause are the same. Here, the subject of the main clause is il fatto (the fact), while the subject of the subordinate clause is noi (we). Because the subjects are different, you must use che.
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