A. The simple present tense (el presente or el presente de indicativo): We use this tense to talk about habitual actions, routines, things happening now or in the near future, universal truths, facts, hypotheticals, lapses of time, and for ordering in restaurants and stores. There are both regular and irregular indicative forms.
B. The Preterite Tense: We use this tense to describe actions completed at a point in the past. There are two forms in this verbal tense, namely: Regular Preterite Forms and Irregular Preterite Forms. (see Tables below)
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To change the verbs from the present tense to the preterite tense we have:
1. Yo pago
Yo pagué
pagué is the conjugation of the verb pagar (an irregular verb) for the first-person singular (yo - I).
2. Ellos lavan
Ellos lavaron
lavaron is the conjugation of the verb lavar (a regular verb) for the third-person plural (ellos - they). if you want to conjugate an ar verb, take away the infinitive ending ar and add the ending that matches the subject that are illustrated in the first Table
3. Ustedes lavan
Ustedes lavaron
lavaron is also the conjugation of the verb lavar for the second-person plural (ustedes- formal you).
4. Raúl estudia
Raúl estudió
estudió is the conjugation of the verb estudiar (that is an regular verb) that matches the second-person singular (él - he).
5. Yo mando
Yo mandé
mandé is the conjugation of the verb mandar (that is an regular verb) for the first-person singular (yo - I).
6. Tú lavas
Tú lavaste
lavaste is the conjugation of the verb lavar for the second-person singular (tú - you).
7. Mi familia baila
Mi familia bailó
bailó is the conjugation of the verb bailar (that is a regular verb) that matches the third-person singular.
8. Ella lava
Ella lavó
lavó is the conjugation of the verb lavar for the third-person singular (ella - she).
9. Pepita y Ramón ______________en la fiesta. (bailar)
Pepita y Ramón bailaron en la fiesta
bailaron is the conjugation of the verb bailar that matches the third-person plural (ellos - they).
10. Los alumnos no _______________anoche. (estudiar)
Los alumnos no estudiaron anoche
estudiaron is the conjugation of the verb estudiar that matches the third-person plural (ellos - they).
11. Yo____________a Colombia . (viajar)
Yo viajé a Colombia
viajé is the conjugation of the verb viajar (that is a regular verb) for the first-person singular (yo - I).
12. Nosotros ____________español. (estudiar)
Nosotros estudiamos español
estudiamos is the conjugation of the verb estudiar for the first-person plural (nosotros - we).
13. Tú ____________con Susana en la fiesta anoche. (cantar)
Tú cantaste con Susana en la fiesta anoche
cantaste is the conjugation of the verb cantar (an regular verb) for the second-person singular (tú - you).
14. Lolita ____________con Pablo en la fiesta anoche. (hablar)
Lolita habló con Pablo en la fiesta anoche.
habló is the conjugation of the verb hablar that matches the third-person singular (ella - she).
15. Yo ____________a mi abuela la semana pasada. (visitar)
Yo visité a mi abuela la semana pasada
visité is the conjugation of the verb visitar for the first-person singular (yo - I).
16. Yo saco
Yo saqué
saqué is the conjugation of the verb sacar (irregular verb) for the first-person singular (yo - I).
17. Tú ______________una buena nota. (sacar)
Tú sacaste una buena nota
sacaste is the conjugation of the verb sacar for the second-person singular (tú - you).
18. Yo _____________ a leer el libro ayer. (empezar)
Yo empecé a leer el libro ayer
empecé is the conjugation of the verb empezar for the first-person singular (yo - I).
19. Nosotros no _________________ a las nueve. (empezar)
Nosotros no empezamos a las nueve
empezamos is the conjugation of the verb empezar for the first-person plural (nosotros - we).
20. Yo _____________ a las cinco y media. (empezar)
Yo empecé a las cinco y media
The same case as in the question 18
