More than /less than
Mas or menos +adjective or adverb + Que
Soy menos Alegre Que Tu
I am less happy than you
As
Tan +adjective+como
Eva traera la soap tan pronto como sea posible senor
Eva will bring the soup as soon as possible, sir
As much
Tanto means as much
Tanto como is as much as
Tan can also mean so
Bueno adjective adverb and comparative
Bueno
Bein
Mejor
Malo adjective adverb and comparative
Malo mal Peor
Mucho adjective adverb and comparative
Mucho mucho mas
Poco adjective adverb and comparative
Poco poco menos
Grande adjective adverb and comparative
Grande N/a. Grande
Pequeno adjective adverb and comparative
Pequeno n/a Pequeno
Mayor and menor comparatives
Younger older
Superlative
To form the superlative of adjectives, placed the definite article before the comparative if a noun is mentioned, it generally follows the definite article 
Las mas inteligentes
The most intelligent
Mucho adjective adverb and comparative
Mucho mucho mas
Adverb superlative
Lo + MAs/menos +adverb+posible/que/poder
Absolute superlative
Muy + adjective ending in Isimo(a os as)
Tardisimo - very late!