# data[].attributes.body
Did you use to write books?

# data[].attributes.body
Did she use to play softball?

# data[].attributes.body
Did he use to go to supermarket?

# data[].attributes.body
I didn't use to play soccer

# data[].attributes.body
He didn't use to wear dress

# data[].attributes.body
He didn't use to run in the park

# data[].attributes.body
We used to play marbles

# data[].attributes.body
She used to write poems

# data[].attributes.body
He used to go to school.

# data[].attributes.headline
                                                                      Used to

# data[].attributes.subject
                                                                      Used to

# data[].attributes.body
We use used to do to talk about the past. It is not a tense but it is like a tense. It is a special structure. We use the structure used to do for the past only.