He slows up when he sees a police car.

He slowed up when he saw the red light.

He is slowing up in his old age.

He carried up the heavy boxes to the second floor.

He carries up the heavy box to the second floor.

She is carrying up the groceries to the apartment.

She is womaning up and taking charge of her own life.

She womans up and faces her fears.

She womaned up and confronted her fears.

He specced up the car to make it faster.