Answer:
See answers below
Step-by-step explanation:
1) Llovía (it was raining, imperfect preteritum, 3rd person singular ) cuando ellos salieron (got out) a la calle.
2) Cuando (when) llegué (arrived, simple perfect preteritum, 1rd person singular ) a la tienda ya estaba (was , imperfect preteritum, 3rd person singular ) cerrada.
3) De repente me (to myself or "yo me" , since the "yo"(I) is implicit subject) acordé (remembered , simple perfect preteritum, 1rd person singular) de que yo tenía (had , imperfect preteritum, 1rd person singular ) deberes .
4) Normalmente yo limpio (clean, simple present) mientras mi madre cocina (cooks, simple present) . (present event)
or
Normalmente yo limpiaba (cleaned , imperfect preteritum, 1rd person singular ) mientras mi madre cocinaba. (cleaned , imperfect preteritum, 3rd person singular )
5) Cuando Andrea corre ( runs , present simple) por el parque los fines de semana , siempre ve (she sees, the subject is implicit , present simple ) a mis amigos.