Образовать сравнительную и превосходную ступени последующих прилагательных shy,terrible,famous,brave,excellent,brilliant,dirty,ugly,strong,big,huge,dark,soft,busy,happy,polite,new,yellow,red,green

Shy - shyer, the shyest;
Terrible - more terrible, the most terrible;
Famous - more famous, the most famous;
Brave - braver, the bravest;
Excellent - more excellent, the most excellent;
Brilliant - more brilliant, the most brilliant;
Dirty - dirtier, the dirtiest;
Ugly - uglier, the ugliest;
Strong- stronger, the strongest;
Big - bigger, the biggest;
Huge - huger, the hugest;
Dark - darker, the darkest;
Soft - softer, the softest;
Busy - busier, the busiest;
Happy - happier, the happiest;
Polite politer, the politest.
New - newer, the newest
Yellow - more yellow, the most yellow
Red - redder, the reddest
Green - greener, the greenest.