Questions & Answers about Mi abuela me regaló un chaleco de lana muy cómodo para el invierno.
Me means to me here. In Spanish, with verbs like regalar (to give as a gift), you often use an indirect object pronoun to show who received the gift.
So in this sentence:
A useful pattern is:
regalar algo a alguien = to give something to someone as a gift
So this sentence is literally structured like:
My grandmother gave me a wool vest as a gift...
Regaló is the preterite form of regalar for él/ella/usted:
- yo regalé
- tú regalaste
- él/ella/usted regaló
It means gave or gave as a gift.
The accent mark is important because it shows the stress and also distinguishes it from regalo:
- regalo = I give / gift
- regaló = he/she gave
So Mi abuela me regaló... means My grandmother gave me..., not My grandmother gives me...