Forma negativa:
They didn't wash the car this weekend.
We didn’t send e-mails to our parents.
I didn’t see Jack at the party yesterday.
She didn't cut her nails.
The cat didn't like the new cushion.
The ballerinas didn't smile.
I didn't cry.
Forma interrogativa:
did they wash the car this weekend?
did we send e-mails to our parents?
did you see Jack at the party yesterday?
did she cut her nails?
did you come back? 
Did he go crazy?
Did she eat the whole cake?
Forma afirmativa:
They washed the car this weekend
They played a song for Cabiria.
I bought some strawberries.
Eliza danced all night.
I saw she in the mall.

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