tripped

"The loud construction outside caused a major disruption to my online class. "

"The perpendicular to the wall supported the shelf. "

"He discovered penicillin largely accidentally."

"He behaved unreasonably."

"My sister is very helpful, especially when it comes to organizing things. "

"The activation of my new phone required entering a special code. "

"It was an experience he would not soon forget."

"Before her presentation, she had butterflies, hoping she wouldn't forget anything. "

"The pedestrian crossing is the safest way to get to school. "

"The tired student began to hallucinate, seeing colorful shapes dancing on the classroom wall. "

"The argument about who got the last cookie was completely unimportant; it didn't affect our dinner plans at all. "

"LSD and DMT are psychoactives."