Negazione nel simple past

Trasformi queste frasi affermative in frasi negative. I dettagli sono spiegati nel  capitolo 8 . Utilizzi le forme abbreviate della negazione.
He went to a party yesterday and was terribly drunk.
She tried to find a new job and found one in her field.
The window opened and therefore the bird could escape.
They published the official ranking of universities for business administration.
Going for a walk made him feel much better.
The camera was able to make some very nice pictures.
If you were here, we could go to the theatre.
He found out about her affair.
We wanted to change topics all evening.
Why did you leave then?

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