used when you are saying who is responsible for sth; Be obliged to say thank you, or, in the negative, have no need to express gratitude.
Oxford75% de las películas
used when you are saying who is responsible for sth
Well done
Definición editorial25% de las películas
Be obliged to say thank you, or, in the negative, have no need to express gratitude.
that I have to thank you for...
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición