1) выпишите исчисляемые существительные в одну колонку, а неисчисляемые в другую. при исчисляемых поставьте артикль a или an: man, house, ball, water, tea, sports-ground, friend, book, apple, box, milk, shop, gold, coach, health, teacher, music, swimming-pool, coffee, training- lesson, sportsman, aim, snow, egg, sport, time.

Исчисляемые: a Man, a house, a ball, a tea, a sports-ground, a friend, a book, an apple, a box, a shop, a coach, a teacher, a swimming-pool, a coffee, a training-lesson, a sportsman, an aim, an egg, a sport, a time.
неисчисляемые: water, tea, milk, gold, health, music, coffee, snow, time.
Некоторые могут быть и так и так.