One of the first verbs people meet in Portuguese is ser, and it can feel intimidating straight away. But at the beginner level, you really don’t need all the theory.
Let’s keep it practical.
At its core, ser is used to express three very basic things.
1️⃣ QUEM alguém é (WHO someone is)
We use ser to talk about identity, character and where you are from.
👉 names
👉 relationships
👉 nationality/origin
👉 personality and defining traits
Examples:
- Eu sou a Adelina.
- Ele é o meu irmão.
- Ela é portuguesa.
- Sou de Lisboa.
- Ela é simpática.
- Ele é calmo.
These are not temporary states; they describe who someone is at all times.
2️⃣O QUE algo ou alguém é (WHAT something or someone is)
This is a broader category than people realise.
We use ser to talk about:
👉 professions and roles
👉 what something is
👉 time and dates
👉 What things are made of
Professions/roles:
- Sou professora.
- Ele é médico.
Time:
- São três horas.
- Hoje é segunda-feira.
- É janeiro.
(Time in Portuguese always uses ser.)
What things are made of:
- A mesa é de madeira.
- O anel é de ouro.
- A garrafa é de vidro.
Here, ser is telling us the essential nature of the thing.
3️⃣ ONDE algo é – but only in FIXED places
This is the one that often confuses.
We use ser with fixed, defined locations – places seen as permanent or established.
Think:
- cities
- buildings
- institutions
Examples:
- Lisboa é em Portugal.
- A escola é em Tavira.
- O hospital é perto do centro.
⚠️ Important note:
If you’re talking about someone’s current location or temporary location, you’ll need to use estar, but that’s for this lesson.
For now, remember:
ser + fixed location
A simple way to remember
If you’re saying:
- who someone is
- what something is (including time and material)
- where something is permanently located
👉 SER is your verb.
Below are a few comprehensible input videos I’ve made about this verb.
Related Portuguese Lessons
- When to use estar
- Deep dive on ser vs estar
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Unidade 1 – Cumprimentar, apresentar-se e conhecer pessoas