To talk about yourself, you would use...
Yo
Yo _______ de Virginia.
Soy
I am not bad.
No soy malo.
Opposite of alto is...
bajo
good-looking, tall feminine / singular
guapa y alta
To talk to your best friend, you would use...
Tú
Usted _______ mi profesora de español.
es
He is not fat.
El no es gordo.
Opposite of triste is...
alegre
thin and athletic masculine/singular
delgado y atlético
To talk about Sra. C, you would use...
Ella
Ustedes ______ mis compañeros de clase.
son
You all are not from Cuba. (L.America)
Ustedes no son de Cuba.
Opposite of tímido es...
extrovertido
nice, hard-working feminine/plural
simpáticas y trabajadoras
To talk to your friends in España, you would use...
Vosotras
Vosotras ______ mis amigas.
sois
My friend is not lazy.
Mi amigo no es perezoso.
Opposite of serio is...
gracioso
mean and ugly, masculine/plural
antipáticos y feos
Tú y Yo = :)
Nosotr@s
Nosotros _________ inteligentes.
somos
We are not silly.
Nosotros no somos tontos.
Opposite of inteligente is...
bruto
annoying and rude, masculine plural
fastidiosos y groceros