He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
Stop
Down
Good
Bed
In
Do
Time
Wash
Stoking
Table
Night
Plates
Useful
What
Couch
theoretical
I’m not really sure about the last one
Yo soy
Ellas son
Ud. Es
Él es
Nosotros somos
Tú eres
Ella es
Nosotros somos
Uds. son
Ellos son
Emily y yo somos
Él y ella son
Tú y yo somos
Tú y ellas son
AJ y Alex son
Rachel y Jessica son