What is the rising action in the tell tale heart

The exposition of the "Tell-Tale Heart" is when we are introduced to the narrator and he insists that he is not insane. The rising action takes place as the narrator tries to muster the courage to kill the old man. The climax of the story is when the narrator kills the old man.

The phrase "Beside the sea an old grey dog" presents iambic tetrameter.

Iambic tetrameter consists of four iambic feet, each one with an unstressed syllable followed by a stressed syllable.

The stressed syllables are presented as follows (stresses syllables are in all capitals):

beSIDE the SEA an OLD grey DOG - da DUM da DUM da DUM da DUM