1. short — shorter — the shortest 2. thin — 3. heavy — 4. funny…

1. short — shorter — the shortest 2. thin — thinner — thinnest 3. heavy — havier — the havierst 4. funny — funnier — the funniest 5. old — older — the oldest 6. fat — fatter -the fattest7. small — smaller — the smallest 8. friendly — more friendly — most friendly9. interesting — more interesting — most interesting 10. careful — more careful — most careful