Worksheet on plural possessive nouns with examples and exercises.

Problem Overview:

The task involves forming the plural possessive form of nouns. The rules for plural possessive nouns are as follows:
1. For most plural nouns that end in -s, simply add an apostrophe (') after the -s.
- Example: "dogs" → "dogs'"
2. For irregular plural nouns that do not end in -s, add an apostrophe (') followed by an -s.
- Example: "children" → "children's"

Solution:

We will apply these rules to each of the given phrases.

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#### 1. The _______ dog (the dog of the boys)
- The plural form of "boys" is "boys."
- Since "boys" ends in -s, we add an apostrophe (') after the -s.
- Answer: boys'

#### 2. The _______ food (the food of the children)
- The plural form of "children" is "children."
- Since "children" does not end in -s, we add an apostrophe (') followed by an -s.
- Answer: children's

#### 3. The _______ room (the room of the brother)
- The plural form of "brother" is "brothers."
- Since "brothers" ends in -s, we add an apostrophe (') after the -s.
- Answer: brothers'

#### 4. The _______ water bowl (the water bowl of the cats)
- The plural form of "cats" is "cats."
- Since "cats" ends in -s, we add an apostrophe (') after the -s.
- Answer: cats'

#### 5. The _______ trucks (the trucks of the men)
- The plural form of "men" is "men."
- Since "men" does not end in -s, we add an apostrophe (') followed by an -s.
- Answer: men's

#### 6. The _______ pens (the pens of the teachers)
- The plural form of "teachers" is "teachers."
- Since "teachers" ends in -s, we add an apostrophe (') after the -s.
- Answer: teachers'

#### 7. The _______ feathers (the feathers of the geese)
- The plural form of "geese" is "geese."
- Since "geese" does not end in -s, we add an apostrophe (') followed by an -s.
- Answer: geese's

#### 8. The _______ prey (the prey of the sharks)
- The plural form of "sharks" is "sharks."
- Since "sharks" ends in -s, we add an apostrophe (') after the -s.
- Answer: sharks'

#### 9. The _______ notes (the notes of the doctors)
- The plural form of "doctors" is "doctors."
- Since "doctors" ends in -s, we add an apostrophe (') after the -s.
- Answer: doctors'

#### 10. The _______ temple (the temple of the people)
- The plural form of "people" is "people."
- Since "people" does not end in -s, we add an apostrophe (') followed by an -s.
- Answer: people's

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Final Answers:

1. boys'
2. children's
3. brothers'
4. cats'
5. men's
6. teachers'
7. geese's
8. sharks'
9. doctors'
10. people's

Boxed Final Answer:

\[
\boxed{
\text{1. boys', 2. children's, 3. brothers', 4. cats', 5. men's, 6. teachers', 7. geese's, 8. sharks', 9. doctors', 10. people's}
}
\]