Sport

1
BAD: Sports help us to keep fit.
GOOD: Sport helps us to keep fit.
◆◆◆
a sport (countable) = a particular type of sport: 'Cricket is a very popular sport in Yorkshire.'
sport (uncountable) = sport in general: 'She writes articles on sport and travel.' 'I'm not very good at sport.'
2
BAD: I need some new sport shoes.
GOOD: I need some new sports shoes.
BAD: She bought a bright red sport car.
GOOD: She bought a bright red sports car.
◆◆◆
Use sports in front of a noun (NOT sport ): 'a sports centre', 'a sports club', 'sports equipment', 'sports injuries'.
3
BAD: He makes all types of sport.
GOOD: He does all types of sport.
◆◆◆
l do sport (NOT make ): 'Do you do any sport at school?'