1. The candidate vowed to fight crime, to lower taxes, and do something about improving education.?

Question

1.The candidate vowed to fight crime, to lower taxes, and do something about improving education. Is that sentence parallel.? if not rewrite the sentence in parallel term.

Answer 1

The candidate vowed to fight crime, to lower taxes and to do something about improving education.

;)

Answer 2

Parallel means all the parts (phrases) are written in the same way.  I think it should read:

The candidate vowed to fight crime, to lower taxes, and to improve education.