Welcome! This is a story in the format of a cloze activity broken into 15 sentences with which the student must decide on preterite or imperfect. There are two versions: One is for the higher achievers. They will conjugate the verb from the infinitive. The other is for medium or lower achievers. They are able to choose from the two conjugated verbs provided.
It is a great way to work through the preterite and imperfect with students as you think aloud, modeling how you would determine which to use.
I have another activity that is similar to this: https://www.teacherspayteachers.com/Product/Preterite-vs-Imperfect-El-Robo-differentiated-3880778
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