Mark (不 / 跑) in the park.
I (不 / 穿) a jacket today.
The mechanics (不 / 修理) the engine.
She (不 / 写) an email to her boss.
You and I (不 / 去) to the party tonight.
The sun (不 / 照耀) brightly this morning.
We (不 / 旅行) to London next week.
The cat (不 / 抓) the mouse.
They (不 / 建造) a new house in our street.
Oliver (不 / 使用) the computer right now.