1. (tienen)
2.(dice)
3.(digo)
4.(viene)
those are correct :)
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
Porque los electrodomésticos gastan mucha energía al conectar todo al mismo tiempo ?
Yes.It means little amount of.