Build the comparative and superlative of these German adjectives

Practice how to build the comparative and superlative of German adjectives!

Good luck!

English - basic form - comparative - superlative

pretty - schön - -

loud - laut - -

bright - hell - -

fast - schnell - -

warm - warm - -

rich - reich - -

big - groß - -

smart - schlau - -

good - gut - -

heavy - schwer - -