$\text{11. He was so poor that he couldn't buy a bicycle.}$
$\text{12. She is such a young girl that she can't see that film.}$
$\text{13. You are so fat that you can't take part in the beauty contest.}$
$\text{14. The water is so warm that I can drink it.}$
$\text{15. He is so intelligent that he can do it.}$