preparatory

"The teacher announced that the group brainstorming session would be a crucial preparative for the final project. "

"He is a student of life."

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

"The preparation for the history test took her several hours. "

"The documents pertaining to my car insurance claim are now all submitted. "

"I have a house and a car."

"Do you need a gift for that special someone?"

"The intricate making of the model airplane showcased the student's skill. "

"The upcoming school holiday is a welcome break for the students. "

"My purpose for studying hard is to get good grades in school. "

"My closest confident, my sister, always listens patiently and gives good advice. "

"The teacher told us that the next exercise is to write an essay."