to play tennis / I like playing tennis
to play football / I like playing football
to box / I like boxing
to run / I like running
to do gymnastics / I like doing gymnastics
to sail / I like sailing
to play basketball / I like playing basketball
to do gymnastics / I like doing gymnastics
to play golf / I like playing golf
to play volleyball / I like playing volleyball
to row / I like rowing
to play rugby / I like playing rugby
to ski / I like skiing
to play american football / I like playing american football
to hike / I like hiking
to ice skating / I like ice skating
to swim / I like swimming
to do motor racing / I like doing motor racing
to play cricket / I like playing cricket
to do judo / I like doing judo
to do horse riding / I like doing horse riding
to play ice hockey / I like playing ice hockey