Respuesta :
Respuesta:
Choose the right alternative. Used to or Didn't use to.
1. He didn't use to write five stories a day.
2. She used to spend time in the supermarket.
Explicación:
Didn't use to - no estar acostumbrado a
Used to - acostumbrado a
Estructura negativa de Used to
Sujeto + didn't use to + Verbo en infinitivo + Complemento.
Estructura Afirmativa del Used to.
Sujeto + used to + verbo en infinitivo + Complemento.