Question

You are visiting a farm . rewrite the questions more formally in the passive :
Why did you sell the horses?
Did you grow any potatoes last year?
Do you sell fruit locally, or do you export it?
When did they build the new barn?
What do they use it for?

Answer 1

Why Did you selled the horses?
Did you growed Any potatoes last Year?
Do you selled fruit locally , or do you exported it?
When Did the builed the New barm?
What do they used it for?