"I have another question as well.. What is the differnce between: si and sta? and si sta as well?"[/quote]
Si is an adverb. It means yes.

Sta comes from the verb stare.(STAH-reh)(STAH-ray) Io sto, tu stai, Lei sta, Lui sta, noi stiamo, Voi state, loro stanno. Io=I, tu=you, Lei=you, Lui=he,him, noi=we, voi=you plural, loro=they-stoh
stow-stie-stah-stee-AH-moh--STAH-teh-STAH-no
Lui sta bene. He is fine. Come sta? Sto bene. How are you? I'm fine.
Stare=to stay, be, remain, stand;be situated, live;fit, suit;depend (on);be about to
La casa sta in mezzo alla campagna. The house is (situated) in the middle of the countryside.
A Maria Grazia non piace stare al sole. Maria Grazia doesn't like to be (sit) out in the sun.
La mia casa sta in fondo alla strada. My house is at the end of the street.
Stava per piovere. It was about to rain.
Sta parlando di me? Are you talking about me? (Lei) sta parlando di me? Are you(polite)talking about me? (Tu) stai parlando di me? Are you(informal)talking about me?
False, You need to be listening to spoken Italian every day.
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