It is difficult to ski.
Skiing is difficult.
Going camping is exciting.
It is exciting to go camping
Watching a baseball game is interesting.
It is interesting to watch a baseball game.
Hiking with my friends is exciting.
It is exciting to hike with my friends.
It is disgusting to clean the toilet.
Cleaning the toilet is disgusting.
It is fun to play video games.
Playing video games is fun.
It is crazy to jump off Taipei 101.
Jumping off Taipei 101 is crazy.
Lifting a car is impossible.
It is impossible to lift a car.
Racing cars is dangerous.
It is dangerous to race cars.
It is easy to ice skate.
Ice Skating is easy.