Final answer:
The sentence 'Teníamos que practicar baloncesto todos los días' is correct. The imperfect tense is used to describe ongoing or repeated actions in the past.
Step-by-step explanation:
The sentence 'Teníamos que practicar baloncesto todos los días' is correct. In Spanish, the imperfect tense is used to describe ongoing or repeated actions in the past. In this sentence, 'teníamos' is the imperfect form of the verb 'tener' (to have), indicating that the subject 'we' had the obligation to practice basketball every day. The imperfect tense is commonly used to express habits, descriptions, or background information in the past.
Learn more about Imperfect tense in Spanish