Pronunciación de ‘used to’ en inglés

El «used to» se corresponde con el «solía» castellano. Se usa used to + verbo para hablar  de sucesos y estados pasados.
Puede verse en frases afirmativas o negativas.

Afirmativos:
 I/you/he/she/it/we/they + used to + verbo
I used to play football, he used to play football, we used to play football etc…

Negativos:
I/you/he/she/it/we/they + didn’t use to + verbo
I didn’t use to play football, he didn’t use to play football, we didn’t use to play football etc…

Preguntas:
Did I/you/he/she/it/we/they + use to + verbo?

Ejemplo:
Did you use to smoke? (¿Solias fumar?)
What did you use to do….? (Que solias hacer…?)
Did you use to play football?
Did he use to play football?……