No laves las cucharas, when regarding to another person in present tense.
Eres paciente pero divertido
"Eres" already implies the person it's talking to (you, in this case), if we wanted to make it formal, we would've used "Usted es" (You (formal) are)
The answer to your question would be falso
Answer:
when you are in the 10th grade
Explanation: