it / be / Mateo / 's / key (+)
It is Mateo's key.
I / be / from / Argentina (+)
I am from Argentina. / I'm from Argentina.
he / not / be / at / home (-)
He is not at home. / He isn't at home. / He's not at home.
her / phone / be / on / the / table (+)
Her phone is on the table.
we / not / be / in / the / kitchen (-)
We are not in the kitchen. / We aren't in the kitchen. / We're not in the kitchen.
you / not / have / headphones (-)
You don't have headphones.
you / be / a / student (?)
Are you a student?
you / want / a / new / tablet (+)
You want a new tablet.
I / not / like / video games (-)
I don't like video games.
where / be / the / keys (?)
Where are the keys?
we / love / technology (+)
We love technology.
this / be / Sofia / 's / bedroom (+)
This is Sofia's bedroom.
we / not / need / a / smartwatch (-)
We don't need a smartwatch.
I / have / a / cell phone (+)
I have a cell phone.