The answer is “Hemos olvidado”
Yo estoy en la tienda. (present)
Yo estuve en la tienda. (past)
Yo voy a estar en la tienda. (future)
*English* From the reading of the first chapter of the book "Think and Get Rich" Apply the roof of prediction to get a better understanding of the reading.
^yup that is the answer to the question I think I’m not sure