as

The word "as" is a highly versatile English word that functions as a conjunction, preposition, adverb, and sometimes pronoun. As a conjunction, it is used to introduce clauses showing time, reason, manner, comparison, or simultaneous actions. It connects ideas by indicating how, why, or when something happens.

• 🇪🇸«As» es una palabra polivalente que a menudo actúa como conjunción. Como conjunción introduce oraciones subordinadas de tiempo, causa, modo, comparación o simultaneidad de eventos.

1. As a time conjunction (when / while) A2 formal

   Used to introduce a clause that shows two actions happening at the same time or one action happening during another. It often means "while" or "when" and emphasizes simultaneity.

   • As I was walking home, it started to rain.
   • She sang as she cooked dinner.
   • As the sun set, the sky turned orange.
   • He waved goodbye as the train left the station.
   • As we were talking, the lights suddenly went out.

   🇪🇸como (conjunción temporal)

2. As a reason conjunction (because / since) B1 formal

   Used to introduce a clause that gives the reason or cause for the main clause. It is similar to "because" or "since", but often sounds slightly more formal or literary.

   • As it was getting late, we decided to go home.
   • She stayed indoors as she felt unwell.
   • As he didn't have any money, he couldn't buy the ticket.
   • We cancelled the picnic as the weather was bad.
   • As you are my best friend, I trust you completely.

   🇪🇸como (conjunción causal)

3. As a manner or comparison conjunction (like / in the way that) B1 formal

   Used to introduce a clause that shows the manner in which something is done or to make a comparison between two things or situations.

   • Do as I say, not as I do.
   • She behaves as if she were the queen.
   • He runs as fast as a cheetah.
   • Life is not as simple as it seems.
   • Treat others as you would like to be treated.

   🇪🇸como (comparación/manera)

4. As in fixed expressions and other uses B2 formal

   Used in many common idiomatic expressions and structures such as "as well as", "as for", "as to", "such as", and in the meaning of "in the role of" or "being".

   • She works as a doctor in the local hospital.
   • I enjoy sports such as football and tennis.
   • As for me, I prefer staying at home.
   • He is known as the best player in the team.
   • You can use it as a knife or as a screwdriver.

   🇪🇸as en expresiones fijas y otros usos

A preposition indicating role, function, capacity, identity, comparison, manner, or time; used to introduce a noun or noun phrase that specifies the capacity in which someone or something acts, exists, or is regarded.

• 🇪🇸Preposición que expresa el papel, la función, el estatus, la identidad, la comparación, el modo de actuar o el tiempo; introduce un sustantivo o sintagma que indica en qué calidad alguien o algo actúa, existe o se percibe.

1. In the role, function, or capacity of A1 formal

   Used to indicate the specific role, job, title, or function that someone or something has in a particular situation or context.

   • She works as a teacher.
   • He was hired as a consultant.
   • I'm speaking as a friend, not as a lawyer.
   • The room can be used as a study.

   🇪🇸como / en calidad de

2. In the same way or manner as B1 formal

   Used to compare the manner, method, or style of an action to that of another person, thing, or situation.

   • Do as I say, not as I do.
   • Leave the documents as they are.
   • She dressed as a pirate for the party.
   • Treat others as you would like to be treated.

   🇪🇸de la misma manera que

3. At the time of or during B1 formal

   Used to indicate that something happens at the same time as another event or during a particular period or activity.

   • As a child, I loved reading.
   • As we were leaving, the phone rang.
   • She first met him as a student.
   • As time passed, things improved.

   🇪🇸mientras, cuando

4. To the same degree or extent as (comparison) B1 formal

   Used in comparisons to show that two things are equal or similar in amount, quality, or degree.

   • She is as tall as her brother.
   • This task is not as difficult as it seems.
   • He runs as fast as a deer.
   • I need as much time as possible.

   🇪🇸igual que, tanto como

5. For example or such as (exemplification) A2 formal

   Used before nouns to introduce one or more specific examples that illustrate a general category or statement.

   • Citrus fruits, as oranges and lemons, are rich in vitamin C.
   • Many languages, as Spanish and French, derive from Latin.
   • Outdoor sports, as hiking and cycling, are good for health.
   • Classic authors, as Tolstoy and Dickens, remain popular.

   🇪🇸como (ejemplificación)

6. In the identity or guise of B2 formal art

   Used to indicate that someone or something is perceived, recognized, or presented under a particular identity, name, or appearance.

   • He appeared as a mysterious stranger.
   • The story is known as a classic.
   • She is remembered as a pioneer in her field.
   • This painting is regarded as a masterpiece.

   🇪🇸en calidad de, como