Question 1

Why is there a definite article before the noun voo (“flight”) in this sentence?

Accepted Answer

In European Portuguese, we usually place the definite article before singular, countable nouns when referring to a specific entity. Here, O voo literally means the flight (the one we were expecting), not just any flight. Dropping the article (Voo para Lisboa) would sound more like a heading or an unnamed flight, rather than the particular flight you had booked.

Question 2

Why do we use para instead of a before Lisboa, and why is there no article before Lisboa?

Accepted Answer

When indicating the destination of a journey or transport, European Portuguese often uses para + place: voo para Lisboa = “flight to Lisbon.”  
– You can also say vou a Lisboa (“I’m going to Lisbon”), but for flights the standard is voo para…  
– City names generally don’t take an article in Portuguese (unlike o Porto or a Guarda, which are exceptions). So we say Lisboa, not a Lisboa.

Question 3

What is the structure foi cancelado, and why is it used here?

Accepted Answer

This is the passive voice in the simple past:  
– foi = third-person singular of the auxiliary verb ser in the past  
– cancelado = past participle of cancelar  
Put together, foi cancelado means “was cancelled.” We use the passive to focus on the event (the flight’s cancellation) rather than who cancelled it.

Question 4

Why does cancelado end in -ado and agree with voo?

Accepted Answer

In Portuguese, past participles used in passive constructions agree in gender and number with the noun they describe.  
– voo is masculine singular, so the participle is cancelado (masc. sing.).  
– If it were a conferência, you’d say foi cancelada (fem. sing.).  
– For plural: os voos foram cancelados or as conferências foram canceladas.

Question 5

What does devido ao nevoeiro mean, and how is it formed?

Accepted Answer

devido in this context expresses cause (“due to”), and it’s followed by a. Because nevoeiro is a masculine noun, a + o contracts to ao. So devido ao nevoeiro literally means due to the fog.  
Structure: devido a + [article + noun].

Question 6

Can I replace devido ao nevoeiro with por causa do nevoeiro?

Accepted Answer

Yes. por causa de is a very common, slightly less formal way to express cause. You’d say por causa do nevoeiro (because por + causa + de o → do). Both options are correct and interchangeable in most contexts.

Question 7

What’s the difference between nevoeiro and névoa?

Accepted Answer

Both words refer to water droplets suspended in the air:  
- nevoeiro is usually a thicker fog that significantly reduces visibility (common at airports).  
- névoa tends to be a lighter mist or haze.  
However, speakers sometimes use them interchangeably depending on region and personal style.

O voo para Lisboa foi cancelado devido ao nevoeiro.

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