Это ведь делать надо те, которые для тебя правдивы. ну ладно
I can ride a bike / I can't ride a bike
I have a computer / I don't have a computer
что такое fife suster? может five sisters? если да, то I have got five sisters или I don't have five sisters
I can swim / I can't swim
I can ride a horse / I can't ride a horse
I can't fly