Answer:
The first one is duermes.
The second one is se ducha or ducha
Not sure about the imperfect tense but to answer the first part
el coche era grande y rojo
The invitations! who sends the invitations to the guests? my daughter
Cultural note I don't have time to go to the winery, who can buy me the wine? my son
ay! I don't have sufficient plates. Who can lend me the plates I need? my mom
We are missing butter, who can bring us the butter?(my sister in law)? (appetizers)
Who is preparing the appetizers?! (Silvia and Renata)
There are not enough seats.! Who will bring us the seats that we are missing? (Hector and Lorena)