pioneered

"My cooking technique involves slow-roasting the vegetables before adding the meat. "

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

"Having experienced both, the vampire decided that he preferred (un)death to life.  He gave up on life."

"By studying hard, she is saving herself from failing the exam. "

"My younger sister achieved good grades in her math class this semester. "

"He was the first to complete the course."

"The doctor performed a surgical procedure to remove the tumor. "

"We prepared the spacecraft for takeoff."

""She helped me with my homework, and I helped others with theirs." "

"If you still feel unwell tomorrow, see your doctor."

"a follow shot"

"The young of today are well-educated."