1. I will
2. I watch
3.You can
4. writes*
THAT'S ALL I KNOW
Sorry, I really don't understand how to do this...
It is when the direct object is another person. It helps clarify it.
Example: Jorge llama a Maria. (Jorge calls Maria)
Studyspanish.com has a good description of it as well. http://studyspanish.com/grammar/lessons/persa
Answer:
juan es luviajó como una pluma.
Juan duerme como un bebe.