I think it’s “su”
Su bolígrafo
Answer:
preterito is used for past actions that are completed and imperfecto is used for past actions that didn't have a start or end
examples
imperfect
repetitive action
something u used to do
time or age
talking about the future
preterito
how long it occurred
took place at a certain time
start of a event
completed actions
I BUILD THE CAMP SHOP.
YOU TAKE OUT THE SLEEPING BAG.
WE SET UP THE TENT.
THEY ARE WEARING A SWEATER AND PANTS.
YOU WASH THE CLOTHES.
MY COUSIN BRINGS HIS BACKPACK TO CAMP.
THEY USE THE COMB AND THE MIRROR.
YOU NEED THE TOILET PAPER ROLL.
SHE WALKS.
WE USE SHAMPOO.