1. Irregular Preterite Verbs: Ir, Ser

2. Preterite of IR & SER
are irregular verbs that use the same forms.

3. Preterite of IR & SER
Unlike -AR verbs, forms of IR and SER have no accents.
These are irregular verbs and the forms must be memorized.

4. TO GO / TO BE (Past) I went/ was You went were He They went She went
We went
were
You all went
They went

5. IR & SER (preterite) Yo fui Tú fuiste Él Ella fue Ud. Nos. fuimos
Vos. fuisteis
Ellos
Ellas fueron
Uds.

6. Preterite of IR & SER
The preterite of IR is the same as the preterite of SER.
The context makes the meaning clear.

7. Preterite of IR & SER José fue a Barcelona. Jose went to Barcelona.
El viaje fue un desastre.
The trip was a disaster.

8. Preterite of IR & SER
Here’s a memory tip to help you remember the subjects of fui and fue:

9. Preterite of IR The “I” form ends in -i (fui).
The “he” and “she” form ends in -e (fue).