Teoría
ADJECTIVE + -ER + THAN:
Bigger than, smaller than (see examples on the left)
ADJECTIVE + IER + THAN:
Easy > Easier than | Busy > busier than, etc. (see examples)
MORE + ADJETIVO + THAN
More beautiful than, more dangerous than, etc.
THE + ADJETIVO + EST:
The biggest, the smallest (see examples on the left)
THE + ADJETIVO + IEST:
Easy > The easiest | Busy > the busiest, etc. (see examples)
THE MOST + ADJETIVO
The most beautiful, the most dangerous, etc.
EXERCISES
LIVEWORKSHEETS
Comparatives: https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives
Superlatives: https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Superlatives
As...As: https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Grammar/Equal_comparison_gl1988992ah
Comparatives (11)
Fewer & Less (10)