This document discusses common adjectives in English and their comparative forms. It provides lists of common adjectives like beautiful, ugly, clean, and dirty. It then explains how to form comparisons of equality using "as...as" and comparisons of inferiority using "less...than". Specifically, it states that comparisons of equality can be made affirmatively with "as...as" or negatively with "not as...as" or "not so...as". Comparisons of inferiority are formed with "less...than".

1. ADJECTIVES

3. COMMON ADJECTIVES ADJECTIVES
beautiful (biúriful) - lindo
ugly (ágli) - feo
clean (klíin) - limpio
dirty (dérti) - sucio
full (ful) - lleno
empty (émpti) - vacío
simple (símpl) - simple
complex (kómplex) - complejo
difficult (dífikalt) - difícil
easy (íisi) - fácil)
safe (séif) - seguro
dangerous (déindcherós) peligroso
strong (strong) - fuerte
weak (wíik) - débil
same (séim) - mismo
different (díferent) - diferente
neat (níit) - limpio, ordenado
messy (mési) - desordenado
rich (rich) - rico
poor (púor) - pobre

4. COMPARATIVE OF EQUALITY
To compare adjectives in affirmative
sentences we use the structure:
as + ... + as
Peter is as happy as Mary.
To compare adjectives in negative
sentences we use the structure:
not as + .... + as
not so + .... + as
• Peter is not as happy as Mary.
• Peter is not so happy as Mary.

6. COMPARATIVE INFERIORITY
When the comparison is made
between two adjectives
less ... than structure is used:
• Peter is less happy than Mary.
• He is less tall than you.
Although it is more usual to use
the equality comparison
negatively (not as ... as)
especially in informal English
(they have a similar meaning).
• Your parents are less
frightened than your sister is.