A
Rollerblading more popular than tennis (comparative)
Rollerblading is more popular than tennis
Skiing isn't more cheap than swimming (comparative)
Skiing isn't cheaper than swimming
Skiing is most difficult sport (superlative)
Skiing is the most difficult sport
Tennis is the most safety sport (superlative)
Tennis is the safest sport
Rollerblading is popularity as skateboarding
Rollerblading is as popular as skateboarding
Swimming isn't as safer as tennis
Swimming isn't as safe as tennis
Skiing is more dangerous for me.
Skiing is the most dangerous for me.
Rollerblading isn't more funny and badder than skiing
Rollerblading isn't funnier and worse than skiing
She is rarely painting people.
She rarely paints people.
Kate isn't understanding modern art.
Kate doesn't understand modern art.