Heya.
How often do you set the table? - Nathan sets the table every day, however he doesn't clear it.
When do you make your bed? - Nathan makes his bed every day.
How often does your sister clear the table? - Nathan's sister clears the table from Monday to Friday, on weekdays.
When does your brother walk the dog? - Nathan's brother walks the dog on Saturdays and Sundays.
Where does your brother walk the dog? - Nathan's brother walks the dog in the park.