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Sentence Correction: Relative Clauses - Choosing the Correct Relative Pronoun

Madonna, whose name at birth was Madonna Louise Ciccone, has had a remarkable effect in the media and entertainment industry.

This answer choice is grammatically incorrect because of the use of an incorrect preposition. The correct idiom is to have an effect on, not have an effect in.

This answer choice is grammatically and repeats the use of an incorrect preposition. The correct idiom is to have an effect on, not have an effect with.

Although this answer choice corrects the original Preposition error by replacing in with on to form the correct idiom had an effect on, it is grammatically incorrect. There is a possessive relationship between Madonna and her name at birth. Madonna Louise Ciconne is Madonna's last name. There is a certain relative pronoun - not whom - that should be used when such a relationship exists.      

What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:

who, which, that, whose, whom

Although this answer choice corrects the original Preposition error by replacing in with on to form the correct idiom had an effect on, it is grammatically incorrect. There is a possessive relationship between Madonna and her name at birth. Madonna Louise Ciconne is Madonna's last name. There is a certain relative pronoun - not who - that should be used when there is such a relationship.      

What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:

who, which, that, whose, whom

Nice!

The correct idiom is to have an effect on, not have an effect in.

whose name at birth was Madonna Louise Ciccone, has had a remarkable effect in
whom her name at birth was Madonna Louise Ciccone, has had a remarkable effect on
whose name at birth was Madonna Louise Ciccone, has had a remarkable effect with
whose name at birth was Madonna Louise Ciccone, has had a remarkable effect on
who her name at birth was Madonna Louise Ciccone, has had a remarkable effect on