regressing

"The movie started at 7 PM. "

"After months of potty training success, the child experienced a temporary regression and started having accidents again. "

"Below the diagram is an explanatory text."

"The amount of time it takes to finish my homework is a variable; sometimes it takes me an hour, other times it takes much longer. "

"When a child is stressed, their behavior sometimes regresses, and they might start sucking their thumb again. "

"She trained seven hours a day to prepare for the Olympics."

"The battleship had three backwards guns at the stern, in addition to the primary complement."

"The toddler wobbled across the living room, giggling as she tried to reach her toys. "

"The store clerk carefully devolved the long roll of wrapping paper, unrolling it slowly onto the counter. "

"to die by an accident"

"at eleven, we went for an early lunch;  she began reading at an early age;  his mother suffered an early death"

"Testing for the new antidote is currently in progress."