1. Ir = fue“Ayer” is one of the many indicators which tells us that we need the preterite tense, as it indicates a “one-off” and “finished” action. Therefore, we conjugate ir in the third-person singular preterite, which is fue 2. Aconsejar = aconsejóFor the same reason as above, “ayer” indicates the preterite tense, and we use the third-person singular because the Doctor advised the mother 3. Tomar = tomaraThe subjunctive is needed as aconsejar is a verb of recommendation (like sugerir, ordenar, etc.) As the recommendation was made in the past tense, we need the imperfect subjunctive in the third-person singular form, giving us tomara.