Comparative adjectives

We use comparative adjectives to show change or make comparisons:

I'm feeling happier now.

We need a bigger garden.

There are two ways to make or to "form" a comparative adjective:

• short adjectives: add "-er...than"
• long adjectives: use "more...than"

           

https://agendaweb.org/grammar/comparative-adjectives-exercises.html

https://www.perfect-english-grammar.com/comparative-adjectives-exercise-1.html

https://www.edu.xunta.gal/centros/ceipsagradafamilia/system/files/ingl%C3%A9s%205%C2%BA%20unidos_0.pdf