Chama-se  tia

Substantivo

  de

Adposição

 Calella  porque

Conjunção subordinativa

  se

Pronome

  pensava

Verbo

  que

Conjunção subordinativa

  hoje

Advérbio

  era

Auxiliar

  meu

Determinante

  aniversário

Substantivo

.

She is called Calella's aunt because it was thought that today was my birthday.

She is called Calella's aunt because it was thought that today was my birthday.