robimy to tak:
przymiotnik + koncowka -ly
easy -> easily (tutaj y -> i)
fluent - fluently
efortless - efortlessly
amazing - amazingly
suprising - suprisingly
merry - merrily (y -> i)
mere -> merely
pathetic -> pathetically
unbeliveable -> unbeliveably
passionate -> passionately
typical -> typically (podwajamy l)