Choose between more / most or–er / -est
These 2-syllable words: common, cruel, handsome, likely, pleasant, polite, quiet, simple, stupid (e.g. pleasanter/more pleasant)
2-syllable words that end in –le, -er en –ow
Simple - simpler / more simple – simplest / most simple
Clever – cleverer / more clever – cleverest / most clever
Narrow – narrower / more narrow – narrowest / most narrow