After learning the conjugations for the preterite and imperfect tenses, students will need to focus on how the two work together. Arguably the most straightforward situation in which preterite and imperfect tenses work together is with interrupting actions. Especially with visually or conceptually obvious interruptions, the student can clearly see how the interrupted action uses the imperfect tense, whereas the interrupting action uses the preterite tense.
Have students brainstorm scenarios that lend themselves to clear interruption. In this activity, students will use a T Chart to create interrupted scenes. Depending on each student or the class, the number of required examples can be increased or decreased. Once students are comfortable with obvious examples of interruption, challenge them to create more subtle interruptions that would also employ both preterite and imperfect tenses.
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Student Instructions
Create a T Chart showing interrupted and interrupting actions to practice the imperfect and preterite tenses.
Storytelling helps students connect grammar to real-life contexts. Use short, relatable stories so learners identify when to use preterite for completed actions and imperfect for ongoing situations.
Invite students to build a story together, each adding a sentence. Encourage switching between preterite (for interruptions or events) and imperfect (for background and ongoing actions) to practice naturally.
Demonstrate your thought process by thinking aloud as you choose between preterite and imperfect in sentences. Explain why each tense fits, helping students internalize the reasoning.
Draw a simple timeline on the board and plot actions as students suggest them. Mark ongoing actions (imperfect) and interruptions (preterite) to visualize when each tense should be used.
The preterite tense describes actions that are completed and occurred at a specific time, while the imperfect tense is used for ongoing, habitual, or background actions in the past. Understanding when to use each helps clarify the sequence and nature of past events.
Use a T Chart to separate interrupted actions (imperfect tense) from interrupting actions (preterite tense). Have students write example sentences and create illustrations for each, making the distinction visually and conceptually clear.
Assign students to brainstorm scenarios with clear interruptions, then have them create a T Chart listing the ongoing action (imperfect) and the interrupting action (preterite) in each row, along with illustrations to reinforce learning.
The imperfect tense sets the scene or ongoing background action, while the preterite marks the specific event that disrupts it, helping students structure complex past narratives in Spanish accurately.
Example: Yo leía un libro (imperfect) cuando sonó el teléfono (preterite). The ongoing action is interrupted by a sudden event, demonstrating the correct use of both tenses.