I use WHO for specific information about...
...people.
... do you play hockey? I play hockey at 9:00 in the morning.
WHAT TIME
.... do you play soccer? I play soccer on Mondays and Wednesdays.
WHEN
...'s your favorite sport? My favorite sport is swimming.
WHAT
... do you play tennis with? I play tennis with my sister.
WHO
.... do you play tennis? I play tennis in a field;
WHERE
I use HOW OFTEN for specific information about...
...frequency
... do you watch american football? I watch it at home.
WHERE
I use WHAT TIME for specific information about...
...time.
I use WHERE for specific information about...
...location.
I use WHEN for specific information about...
...a period in time.