"To be," or not "To be" verbs

Passive: Including "to be" verbs is a way to make a sentence passive.
Active: A passive sentence includes "to be" verbs.

Passive: Sentences will be stronger if writers delete "to be" verbs.
Active: Authors who delete "to be" verbs write stronger sentences.

Passive: Forms of "to be" are: are, am, was, is, have been, has, will be, being, and will have been. Active: Forms of "to be" include: are, am, was is, have been, has, will be, being, and will have been. 

Passive: The girl was yelled at by her brother.
Active: The boy yelled at his sister.

Passive: The red tablecloth makes the celery stalks that are green look pretty.
Active: The green celery looks pretty on the red tablecloth.

Passive: The vest was worn without a shirt underneath.
Active: He wore a vest without a shirt underneath.

Passive: The funnel cake was eaten by a kid.
Active: The kid ate a funnel cake.

Passive: Overusing passive voice increases the chances of writing sentences that are unclear and repetitive.
Active: Overusing passive voice increases the chances of writing unclear and repetitive sentences. 

Passive: Using active voice is a way to help clarify your written message.
Active: Active voice clarifies a written message.

Passive: Passive voice may be required in some scientific, medical, and technical writing.
Active: Scientific, medical, and technical writing may require passive voice.

Syntax and word order 

Passive: To determine word order, the rules of syntax are necessary.
Active: Syntax determines word order.

Passive: English sentences are constructed using S-V-O (subject, verb, object) word order.
Active: English sentences follow S-V-O (subject, verb, object) word order.

Passive: O-V-S construction is passive.
Active: Passive construction uses O-V-S order.

Passive: The boat was driven by me. "The boat" = object, "was" = passive verb, "me" = subject.
Active: I drove the boat. "I" = subject, "drove" = verb, "boat" = object.

Passive: Maria was hated by Suzanne for many reasons.
Active: Suzanne hated Maria for many reasons.

Passive: Reducing the use of passive voice is one way to engage readers.
Active: Engage your reader by reducing passive voice.

Passive: Some sentences are fine using passive voice.
Active: Many beautiful sentences use passive voice.

Passive: Overuse of passive voice is not recommended.
Active: Don't over-use passive voice.

https://owl.purdue.edu/owl/general_writing/academic_writing/active_and_passive_voice/active_versus_passive_voice.html

Write soon,

Mary