[AN1]Answers to § 1.
1.“All” Sign of Quantity.
“persons represented by the Name ‘I’” (or “I’s”) Subject.
“are” Copula.
“persons who have been out for a walk” Predicate.

or, more briefly,

“All | ‘I’s | are | persons who have been out for a walk”.

2. “All | ‘I’s | are | persons who feel better”.

3. “No | persons who are not ‘John’ | are | persons who have read the letter”.

4. “No | Members of the Class ‘you and I’ | are | old persons”.

5. “No | fat creatures | are | creatures that run well”.

6. “No | not-brave persons | are | persons deserving of the fair”.

7. “No | not-pale persons | are | persons who look poetical”.