Page 28 - Just Enough English Grammar Illustrated Book

When showing possession, you can choose between two options
to indicate that relationship. We just explained the use of an
apostrophe for possessive nouns. We’ll now explain how to use
the “of ” phrase.

Example:
the diving board of the pool

Here is a simple way to convert the possessive noun to an “of”
phrase: Use of instead of the apostrophe, and switch the order
of the nouns.

Example:
the pool’s diving board = the diving board of the pool

!
Hint: Be sure you understand the use of an apostrophe to show
ownership. Apostrophes are also used for contractions, which
are shortened forms of certain words. For example, it’s = it is,
you’ve = you have. More details about contractions follow
in Chapter 4, Verbs.
An important rule to remember:

A possessive noun formed with an apostrophe
always relates to another noun that indicates
what is being owned.

Nouns as Subjects
Nouns as Subject Complements
Possessive Nouns

Now: What is a sentence?

So far, we’ve learned about nouns as subjects, nouns as subject
complements, and possessive nouns. Let’s pause here and take
a look at how to form sentences.
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