Parallel Structure Co-ordinating units of writing must all be of the same grammatical kind. ... To correct this sentence the writer might say: -Many ancient beliefs have been rejected as superstitions ...

Parallel structure is important for technical writing because it enhances the clarity, readability, and professionalism of your documents. It helps you avoid confusion, ambiguity, and ...

Here, three different actions share only one thing: a subject, Brad. But this is correct parallel structure too, because all three stems attach to that shared subject the same way.