Comparatives. Chapter 1

(En las explicaciónes grabadas se hace alusión a una página y a un cuadro pertenecientes a un libro. No lo tenéis, así que os he copiado aquí los ejemplos que se citan.)
The first recording explains how to make the comparative. The second one deals with (trata de) the pronunciation.

White cars are safer than yellow cars.
Mosquitoes are more dangerous than sharks (=tiburones).
Tigers are better swimmers than cats.

• One-syllable adjectives: add -er: old >>> older     cheap >>> cheaper
• Adjectives ending in one vowel + one consonant: double consonant, add -er.
•                         big >>> bigger       hot >>> hotter
• One- or two-syllables ending in consonant + -y >>>-ier
•                         healthy >>> healthier     happy >>> happier
• Two- or more syllable adjectives:    famous >>> more famous       expensive >>> more expensive
• Irregular: good >>> better       bad >>> worse     far >>> further/farther

Common mistake


My flat is more bigger than yours.
I am more taller than you.


Nunca pueden aparecer en la misma frase MORE y la terminación de comparativo -ER.