Answer: 2. Corrimos, 3. Dicen, 4. Lave, 5. Viste, 6. Traiga.
Explanation:
2. Cuando llegaste al parque, nosotros ya <em>corrimos</em> cuatro millas. (The sentence is written in past tense and subject <em>nosotros</em> belongs to the first person plural. <em>Nosotros corrimos</em>)
3. Me alegro de que ustedes <em>dicen</em> la verdad. (The sentence is written in present tense and subject <em>ustedes</em> belongs to the second person plural. <em>Ustedes dicen</em>)
4. No creo que Sofía <em>lave</em> todos los platos todavía. (The sentence is written in present tense and subject Sofía belongs to the first person singular. <em>Sofía lave</em>)
5. ¿Tu ya <em>viste</em> esta película antes? (The sentence is written in past tense and subject <em>tú</em> belongs to the second person singular. <em>Tu viste</em>)
6. Dudo que Genaro <em>traiga</em> helados para todos. (The sentence is written in present tense and subject Genaro belongs to the third person singular. <em>Genaro traiga</em>)
