upkeep

"The condition for getting a raise at work is meeting your quarterly targets. "

"Regular maintenance of the school's computers ensures they are always working properly. "

"My friend told me there was something in the box, but I didn't know what it was yet. "

"It is very important to give your daughter independence in her life so she learns from experience."

"My grandmother is keeping a strict diet to maintain her health. "

"My friends are always there to maintain my confidence when I'm struggling with my studies. "

"The camping equipment was essential for a successful weekend trip. "

"The school's playground was a favorite spot for the children after their classes. "

"I brush my teeth regularly to prevent them from turning yellow."

"to die by an accident"

"The sergeant major is a regular in the British Army. "

"The construction crew's working on the new school building is going smoothly. "