ELABORA TRES ORACIONES AFIRMATIVAS UTILIZANDO USTED TO Y CÁMBIALAS A LAS FORMAS NEGATIVAS E INTERROGATIVAS.

A= I used to eat
N= I didn’t´ t used to eat
I= Did used to eat?

A= He used to work in the hospital
N=He didn´t used to work in the hospital
I=Did he used to work in the hospital?

A=We used to homework
N=we didn`t used to homework
I=Did we used to homework?