Answer:
1. Yesterday, before the party, I had to have to clean the house. I did it. I knew (to know) that (to go) to have many guests. 2. Yesterday afternoon we (know) that Tomás' cousins (want) come to the party. 3. Last year, we (have) to make plans with more time because (want) to have many people for the celebration. 4. When I was a child, I always had to clean my room. Now I live alone, that's why yesterday (having) to clean the kitchen before the party.
Step-by-step explanation: