$ + :\ S\ +\ be\ +\ as\ +\ adj\ +\ as\ +\ O$

$ - :\ S\ +\ be\ +\ not\ as/so\ +\ adj\ +\ as\ +\ O$

$1. My\ house\ is\ not\ as\ spacious\ and\ beautiful\ as\ yours.$

$2. Life\ in\ the\ city\ is\ not\ as\ peaceful\ and\ gentle\ as\ life\ in\ the\ countryside.$

$3. Linh’s\ hair\ is\ as\ yellow\ as\ mine.$

$4. My\ sister\ is\ as\ interested\ in\ English\ as\ my\ brother.$

$5. My\ best\ friend\ is\ as\ old\ as\ I\ am.$