What were they doing? Check, (142). Example: Charles was reading while Sam was watching television.

Charles was swimming while Sam was singing.Charles was putting food in the fridge while Sam was cooking.Charles was painting while Sam was taking the dog for a walk.Charles was writing while Sam was listening to music.Charles was riding a horse while Sam was driving a car.Charles was running while Sam was jumping over the vertical board.Charles was watching a movie in the cinema while Sam was playing volleyball. 

2-Charles was swimming while Sam was singing.3-Charles was buying products while Sam was cooking a meal.4-Charles was painting while Sam was walking with a dog.5-Charles was writing  while Sam was listening to music.6-Charles was riding a horse while Sam was driving a car..7-Charles was running while Sam was jumping.8-Charles was watching the movie reading while Sam was playing with a ball.