Explanation:
ACTIVIDAD 4:
1. Ayer hice mi tarea
2. Siempre acostumbraba a usar mi bicicleta cuando era pequeño/a
3. Ayer él fue a la escuela
4. Él siempre acostumbraba a comer en casa
5. Ellos cantaron la noche pasada
6. Nunca he pedido papas/patatas fritas
7. Tú no trabajaste hoy
8. El vivió en Texas por 10 años
9. Solíamos viajar cada año
10. ¿Quién ha escrito está carta?
ACTIVIDAD 5:
1. I talk with my friends
2. I'm talking with my friends
3. I always talked to my friends
4. I talked to my friends last night
5. She studied every day
6. She's studying
7. She studied last week
8. She's studying french
9. You lived in Mexico for 5 years
10. You lived in Mexico
11. You're living in Mexico
12. You live in Mexico
13. They are doing/writing the homework
14. They were writing/doing the homework every night
15. They wrote/did the homework last night
16. They are writing/doing the homework
