Final answer:
The statement about regulated poetry requiring syllables to alternate between deflected and level tones is false; it is about the alternation of stressed and unstressed syllables.
Step-by-step explanation:
The statement that regulated poetry requires syllables to alternate between deflected and level tones is false. The rhythmic pattern of a poem, referred to as its meter, involves identifying stressed (/) and unstressed (x) syllables in lines of poetry. This rhythm is not necessarily about alternating tones but alternating levels of stress. A unit of these patterns is known as a foot, with common types including the iamb (an unstressed followed by a stressed syllable) and the trochee (a stressed followed by an unstressed syllable). It's crucial to note that English poetry allows for variations within the meter to maintain interest and natural speech patterns.