Expressions followed by VERB+ing
have (some) problems - He had some problems reading without his glasses.
have a difficult time - She had a difficult time hiking up the mountain.
have a good time - They had a good time snorkeling.
have a hard time - She had a hard time explaining the situation.
have a problem - Debbie had a problem understanding his accent.
have an easy time - She had an easy time selling the delicious cookies.
have difficulty - Wanda had difficulty translating the letter by herself.
have fun - The had fun skiing.
have no difficulty - They had no difficulty finding a discount flight to London.
have no problem - Francis had no problem getting from the airport to the hotel.
spend one's time - He always spends his time working out at the gym.
waste one's time - She always wastes her time playing video games.