examined

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

"The examination of the patient's symptoms took several hours. "

"My knowledge of history helped me understand the current political situation better. "

"The student's aptitude for math was evident; she quickly grasped complex concepts. "

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

"Only a small fraction of the students passed the difficult math test. "

"Qualification for this organization is extraordinarily difficult."

"The police interrogated the suspect at some length before they let him go."

"I looked critically at the frayed carpet of the hotel room."

"The teacher determined the rules for the classroom project, setting clear limits on the length of presentations. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"I came here to buy souvenirs, not to be subjected to a tirade of abuse!"