IXL | Identify and correct errors with compound and joint possession

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Megan's and Katie's commitment to help each other in school has the potential to benefit them both tremendously.

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question

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John Lennon's and Paul McCartney's songwriting partnership resulted in such megahits as "She Loves You" and "I Want to Hold Your Hand."

key idea

A possessive noun shows who or what owns something or has something.

To form the possessive of a compound noun, make the last part of the noun possessive.

my sister-in-law's career

the secretary of state's speech

the chiefs of staff's legacies

my great-grandmothers' names

When two nouns joined by and share possession of something, only the second noun should be written as a possessive noun.

Becca and Lily's room is larger than mine.

Becca and Lily share one room.

When two nouns joined by and do not share possession of something, both nouns should be written as possessive nouns.

Becca's and Lily's rooms are larger than mine.

Becca and Lily each have their own room.

solution

John Lennon and Paul McCartney's is correct. John Lennon and Paul McCarthy shared a songwriting partnership, so only the second noun should be written as a possessive noun.

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