The preterite of introducir is used to express when something was introduced at a specific moment in the past. For example, when you want to say “She introduced me to her parents last week” – “Ella me introdujo a sus padres la semana pasada.”

This is an irregular verb in the preterite tense. The stem changes to ‘introduj-‘ before adding the endings, following the pattern of other -ducir verbs.

Conjugations

Conjugations of Introducir (to introduce) in the Preterite (Past) Tense tense (Castilian Spanish):

The Preterite of introducir indicates completed actions of introducing or inserting.

To introduce/insert: Describes placing something into something else, for example Introduje la llave en la cerradura (I inserted the key in the lock), or Introdujeron los datos en el sistema (They entered the data into the system).

To present/introduce: Used for presenting people or concepts, for example Me introdujo a sus colegas (She introduced me to her colleagues).

Examples

Examples of Introducir in the Preterite (Past) Tense

Introduje la llave en la cerradura. (I inserted the key into the lock.)

Introdujiste los datos en el sistema. (You entered the data into the system.)

Introdujo cambios importantes en la empresa. (He/she introduced important changes in the company.)

Introdujimos nuevas reglas en la oficina. (We introduced new rules in the office.)

Introdujeron la tarjeta en el cajero. (They inserted the card into the ATM.)

Introduje el código de seguridad. (I entered the security code.)

Introdujiste una nueva idea en la reunión. (You introduced a new idea in the meeting.)

El profesor introdujo el tema de la clase. (The teacher introduced the class topic.)

Introdujimos la contraseña incorrecta. (We entered the wrong password.)

Introdujeron especies invasoras en el ecosistema. (They introduced invasive species into the ecosystem.)

Introduje el documento en el sobre. (I inserted the document into the envelope.)

Introdujiste el cable en el puerto equivocado. (You inserted the cable into the wrong port.)

La empresa introdujo un nuevo producto. (The company introduced a new product.)

Introdujimos a los nuevos empleados. (We introduced the new employees.)

Introdujeron modificaciones en el contrato. (They introduced modifications to the contract.)

Conjugations with English Translations

Conjugations of Introducir (to introduce) in the Preterite (Past) Tense tense (Castilian Spanish) with English Translations:

This post covers Castilian Spanish. For Latin American Spanish, click here

Synonyms

The Preterite tense is also known as the Simple Past, Past Simple, Definite Past, Absolute Past, or Past Tense Indicative in English, and as Pretérito Perfecto Simple, Pretérito Indefinido, Pretérito Simple, Pasado Simple, or Pretérito de Indicativo in Spanish.