Mark (nicht / laufen) in the park.
I (nicht / tragen) a jacket today.
The mechanics (nicht / reparieren) the engine.
She (nicht / schreiben) an email to her boss.
You and I (nicht / gehen) to the party tonight.
The sun (nicht / scheinen) brightly this morning.
We (nicht / reisen) to London next week.
The cat (nicht / fangen) the mouse.
They (nicht / bauen) a new house in our street.
Oliver (nicht / benutzen) the computer right now.