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Sentence Correction: Redundancy - "as well as"

A growing number of movies are based or inspired by myths and legends.

This answer choice is grammatically incorrect. The verb based requires a preposition in order to logically connect to myths. The preposition by is correctly matched with inspired but does not match based.

What helps us identify this question as a Split Construction question and identify the mistake is the following Stop Sign:

A split construction: Verb A + and/or + Verb B + object

Although this answer choice attempts to correct the original Preposition error, it is grammatically incorrect because it uses the incorrect preposition with after the word based. The correct idiom is based upon.

Although this answer choice corrects the original Preposition error by inserting the preposition upon, it creates redundancy with the phrase as well as.

Using as well as instead of and is redundant.

What helps us identify this Redundancy error is the following Stop Sign:

as well as

Although this answer choice corrects the original Preposition error by inserting the preposition upon, it changes the meaning of the original sentence by using the phrase but not instead of and. This change excludes legends from being an inspiration to the movies.

Great work!

This answer choice corrects the original Preposition error by inserting the preposition upon.

based or inspired by myths and
based upon or inspired by myths as well as
based with or inspired by myths and
based upon or inspired by myths and
based upon or inspired by myths but not