Portuguese conjugation explanation
Ser vs. Estar
<p>
The verbs <span style="font-style: italic">ser</span> and <span style="font-style: italic">estar</span> both mean "to be". However, they are not at all interchangeable. In a nutshell, <span style="font-style: italic">ser</span> is used to describe <strong>permanent</strong> attributes while <span style="font-style: italic">estar</span> is used for <strong>temporary</strong> ones. Let's have a look at their usage in more detail.
</p>
<div class="conjugation_explanation_title">SER</div>
<p>
This verb comes from the Latin <span style="font-style: italic">esse</span> (to be), just like the English word <span style="font-style: italic">essence</span>. We use <span style="font-style: italic">ser</span> when we want to describe the <strong>essence</strong> of something, or how a thing always is. The <strong>DOCTOR</strong> acronym might help you memorize the most important cases: <strong>D</strong>ate, <strong>O</strong>ccupation, <strong>C</strong>haracteristic, <strong>T</strong>ime, <strong>O</strong>rigin, <strong>R</strong>elationships.
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<ul>
<li>
<div><strong>Date</strong></div>
<div class="conjugation_explanation_example_sentence">Hoje <strong>é</strong> 1º de setembro. (<span style="font-style: italic;">Today is September 1st.</span>)</div>
<div class="conjugation_explanation_example_sentence">Amanhã <strong>será</strong> meu aniversário. (<span style="font-style: italic;">Tomorrow will be my birthday.</span>)</div>
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<li>
<div><strong>Occupation</strong></div>
<div class="conjugation_explanation_example_sentence">Ela <strong>era</strong> uma atriz. (<span style="font-style: italic;">She was an actress.</span>)</div>
<div class="conjugation_explanation_example_sentence">Ele <strong>é</strong> cientista e músico. (<span style="font-style: italic;">He is a scientist and musician.</span>)</div>
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<li>
<div><strong>Characteristic</strong></div>
<div class="conjugation_explanation_example_sentence">Ele <strong>é</strong> um verdadeiro cavalheiro. (<span style="font-style: italic;">He is a true gentleman.</span>)</div>
<div class="conjugation_explanation_example_sentence">A informação <strong>é</strong> relevante. (<span style="font-style: italic;">The information is relevant.</span>)</div>
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<li>
<div><strong>Time</strong></div>
<div class="conjugation_explanation_example_sentence"><strong>São</strong> quatro e meia. (<span style="font-style: italic;">It's half past four.</span>)</div>
<div class="conjugation_explanation_example_sentence"><strong>É</strong> quase meio-dia. (<span style="font-style: italic;">It's almost noon.</span>)</div>
</li>
<li>
<div><strong>Origin</strong> (place or material)</div>
<div class="conjugation_explanation_example_sentence">Eu <strong>sou</strong> da cidade. (<span style="font-style: italic;">I'm from the city.</span>)</div>
<div class="conjugation_explanation_example_sentence">A mesa <strong>é</strong> de madeira. (<span style="font-style: italic;">The table is made of wood.</span>)</div>
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<div><strong>Relationships</strong> (family, friends, colleagues, etc.)</div>
<div class="conjugation_explanation_example_sentence">Aquelas três <strong>são</strong> as filhas dele. (<span style="font-style: italic;">Those three are his daughters.</span>)</div>
<div class="conjugation_explanation_example_sentence">Ele <strong>é</strong> meu chefe. (<span style="font-style: italic;">He is my boss.</span>)</div>
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</ul>
<div class="conjugation_explanation_title">ESTAR</div>
<p>
This verb comes from the Latin <span style="font-style: italic">stare</span> (to stand), just like the English word <span style="font-style: italic">status</span>. We use <span style="font-style: italic">estar</span> when we want to describe something's <strong>status</strong>, or how a thing is at the moment. The acronym to remember for <span style="font-style: italic">estar</span> is <strong>PLACE</strong>: we use it to describe <strong>P</strong>osition, <strong>L</strong>ocation, <strong>A</strong>ction, <strong>C</strong>ondition, and <strong>E</strong>motion.
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<ul>
<li>
<div><strong>Position</strong> (physical position or posture)</div>
<div class="conjugation_explanation_example_sentence">Eu <strong>estou</strong> sentado. (<span style="font-style: italic;">I'm sitting.</span>)</div>
<div class="conjugation_explanation_example_sentence">Você <strong>está</strong> de pé no meu pé.. (<span style="font-style: italic;">You're standing on my foot.</span>)</div>
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<li>
<div><strong>Location</strong> (even if it's permanent)</div>
<div class="conjugation_explanation_example_sentence"><strong>Estamos</strong> em Paris. (<span style="font-style: italic;">We are in Paris.</span>)</div>
<div class="conjugation_explanation_example_sentence">Minha casa <strong>está</strong> a 17 quilômetros da cidade. (<span style="font-style: italic;">My house is 17 kilometres from the city.</span>)</div>
<div class="conjugation_explanation_example_sentence_note">(The location of the house is permanent, but we still use <strong>estar</strong>.)</div>
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<div><strong>Action</strong> (ongoing actions followed by the present participle)</div>
<div class="conjugation_explanation_example_sentence">Minha namorada <strong>estava</strong> chorando. (<span style="font-style: italic;">My girlfriend was crying.</span>)</div>
<div class="conjugation_explanation_example_sentence">As crianças <strong>estão</strong> andando de bicicleta. (<span style="font-style: italic;">The children are riding their bikes.</span>)</div>
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<div><strong>Condition</strong> (physical and mental)</div>
<div class="conjugation_explanation_example_sentence">As crianças <strong>estão</strong> adormecidas. (<span style="font-style: italic;">The kids are asleep.</span>)</div>
<div class="conjugation_explanation_example_sentence"><strong>Estás</strong> com fome? (<span style="font-style: italic;">Are you hungry?</span>)</div>
</li>
<li>
<div><strong>Emotion</strong></div>
<div class="conjugation_explanation_example_sentence">Ele <strong>está</strong> apaixonado por ela. (<span style="font-style: italic;">He is in love with her.</span>)</div>
<div class="conjugation_explanation_example_sentence">Nós <strong>estamos</strong> satisfeitos. (<span style="font-style: italic;">We're satisfied.</span>)</div>
</li>
</ul>
<div class="conjugation_explanation_title">Exceptions</div>
<div class="conjugation_explanation_example_sentence">O papagaio <strong>está</strong> morto. (<span style="font-style: italic;">The parrot is dead.</span>)</div>
<div class="conjugation_explanation_example_sentence_note">(Being dead is regarded as the <strong>result of a change</strong> rather than an intrinsic characteristic of the person or animal.)</div>
<div class="conjugation_explanation_example_sentence">A festa <strong>será</strong> ao ar livre, se o tempo permitir. (<span style="font-style: italic;">The party will be held outdoors, weather permitting.</span>)</div>
<div class="conjugation_explanation_example_sentence_note">(When talking about the location of <strong>events</strong>, we have to use <strong>ser</strong>.)</div>
<div class="conjugation_explanation_example_sentence">Essas bananas <strong>são</strong> deliciosas. (<span style="font-style: italic;">Those bananas are delicious.</span>)</div>
<div class="conjugation_explanation_example_sentence_note">(When referring to a food item in general, as opposed to food currently being eaten, <strong>ser</strong> should be used.)</div>
<div class="conjugation_explanation_title">Phrases</div>
There are some words that can form a phrase with either of the two verbs (with different meanings). Notice how the phrase with <span style="font-style: italic">ser</span> always describes a permanent characteristic while the one with <span style="font-style: italic">estar</span> a temporary condition:
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<div><strong>Phrase</strong></div>
<div><strong>Meaning</strong></div>
<div>ser doente</div>
<div>to be mentally sick (permanently)</div>
<div>estar doente</div>
<div>to be sick (temporarily)</div>
<div>ser orgulhoso</div>
<div>to be conceited/smug</div>
<div>estar orgulhoso</div>
<div>to be proud</div>
<div>ser seguro</div>
<div>to be safe</div>
<div>estar seguro</div>
<div>to be certain</div>
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