Use the preterite tense to talk about what has already happened or actions that have been completed. The preterite tense is often used with specific time frames, eg yesterday, last week ...

But there are irregular verbs! The big two you need to know are ‘to go’ - ‘ir’ and ‘to be’ - ‘ser’. Luckily, they’re both the same in the preterite. They become: ‘fui ...