'That it has been the best part of me and that it is always inside me"
Se siempre habia sido. You can also say :"siempre ha sido" or "siempre ha estado"
been
Cómo y de dónde ha sido sacada la medida internacional mejor conocida como metro
This day has not been so good. It will be better tomorrow. I miss you.
Han sido cinco anos largos pero tu eres el mejor marido/esposo.
it means has been unfaithful.
Te quiero aunque años ha pasado siempre tú has sido en mi corazón.
Today was a good day
Sido is 186 cm.
Kamal Sido was born in 1961.
Yacouba Sido was born in 1910.
Yacouba Sido died in 1988.