这句话中的would涉及什么语法点？是虚拟语气吗？

Question

there was always something for the kids,often a couple of bags of candy that i said would rot their teeth.

Answer 1

there was always something for the kids,often a couple of bags of candy that i said would rot their teeth.

不是，would不是虚拟语气，只表示情态意义would：会，一种可能性。