As a teacher, I invent chants for my students. This helps them remember nuances easily. When they internalise the chants, they can answer questions on autopilot.
Here’s what I came up with for simple past tense and past continuous tense. Note the bolded words.
one point in time vs a period of time. Easy peasy.
Nice idea, have you already figured out if it's a lasting learning or just a short-term one?
Hard to tell!
It’s often the most innocuous things that my students remember.
One batch of students still remembers how I preached them to eat shit and study during their college entrance exams - more than ten years after I taught them haha