Breakdown of Visto que a máquina falhou, não podemos observar nada.
não
not / no
poder
can / may (verb)
nada
nothing / anything
a máquina
the machine
falhar
to fail
observar
to observe
visto que
seeing that
Questions & Answers about Visto que a máquina falhou, não podemos observar nada.
Can I use já que or dado que instead of visto que in this sentence?
Do causal conjunctions like visto que require the subjunctive?
No, they take the normal indicative tenses. Here, we use the regular past tense (falhou). You don't need the subjunctive because visto que establishes a known fact or cause, rather than expressing doubt, emotion, or uncertainty.
Why are there two negative words (não and nada) in the second half of the sentence?
Why do we use the past tense for falhar but the present tense for poder?
The sentence links a completed event in the past to a consequence happening right now. The machine broke down in the past (falhou), and as a direct result, we currently cannot observe anything (podemos).
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