Comparing equal things: as tall as, not as good as, as much as
As + adjective/adverb + as
Not as + adjective/adverb + as (or not so...as)
Is X as + adjective + as Y?
💡 Use adjective (not comparative): as tall as (not as taller as).
✓She's as intelligent as her sister.
✗She's as more intelligent as her sister.
Use base adjective, not comparative.
✓This isn't as easy as I thought.
✗This isn't as easier as I thought.
Base adjective after 'as'.
✓He earns as much as me.
✗He earns as many as me.
Much for uncountable (money).