1) Her brother is strong.Her father is stronger.Her friend is the strongest of all.2) Jane is pretty.Her sister is prettierTheir mother is the prettiest3) My mother's smile is pleasant.Her daughter's smile is more pleasant.Her sister's smile is the most pleasant.4) Ann's eyes are expressive.Her brother's eyes are more expressive.Her father's eyes are the most expressive.5) Your eyelashes are thick.My eyelashes are thicker.Our friend's eyelashes are the thickest.6) Mr. Brown is handsome.His older brother is more handsome.Mr.Haus is the most handsome.