tinha treze anos quando

was thirteen years old when

→ ter
phrase Rare #40,411
was thirteen years old when Used to say someone was 13 at the time another event happened. "Tinha" is the imperfect past of "ter" here.
PO: Eu tinha treze anos quando me mudei para outra cidade.
EN: I was thirteen years old when I moved to another city.

Eu tinha treze anos quando escrevi aquilo.

I was thirteen years old when I wrote that.

O Tom tinha treze anos quando ele se mudou daqui para Boston.

Tom was thirteen years old when he moved from here to Boston.

Tom tinha treze anos quando morreu.

Tom was thirteen years old when he died.

O Tom tinha treze anos quando se mudou daqui para Boston.

Tom was thirteen years old when he moved from here to Boston.