Plural Nouns Worksheet - English Treasure Trove - Free Printable

Problem Overview:

The task involves converting singular nouns into their plural forms based on specific grammar rules. The worksheet provides guidelines for forming plurals:

1. General Rule: Add -s to most nouns.
2. Special Rules:
- If a noun ends in ch, sh, s, x, add -es.
- If a noun ends in y, change the y to ie and add -s if the letter before y is a consonant. If the letter before y is a vowel, simply add -s.

Solution:

#### Part 1: General Plural Nouns
We will apply the general rule of adding -s or -es as needed.

| Singular Noun | Plural Noun |
|---------------|-------------|
| car | cars |
| bus | buses |
| key | keys |
| cup | cups |
| watch | watches |
| pencil | pencils |
| fox | foxes |
| class | classes |
| house | houses |
| box | boxes |
| brush | brushes |
| lunch | lunches |
| sock | socks |
| pen | pens |
| book | books |
| fax | faxes |

#### Explanation:
- car → cars: General rule (add -s).
- bus → buses: Ends in s, so add -es.
- key → keys: General rule (add -s).
- cup → cups: General rule (add -s).
- watch → watches: Ends in ch, so add -es.
- pencil → pencils: General rule (add -s).
- fox → foxes: Ends in x, so add -es.
- class → classes: Ends in s, so add -es.
- house → houses: Ends in sh, so add -es.
- box → boxes: Ends in x, so add -es.
- brush → brushes: Ends in sh, so add -es.
- lunch → lunches: Ends in ch, so add -es.
- sock → socks: General rule (add -s).
- pen → pens: General rule (add -s).
- book → books: General rule (add -s).
- fax → faxes: Ends in x, so add -es.

---

#### Part 2: Plural Nouns Ending in "y"
We will apply the special rule for nouns ending in y:
- Change y to ie and add -s if the letter before y is a consonant.
- Simply add -s if the letter before y is a vowel.

| Singular Noun | Plural Noun |
|---------------|-------------|
| cherry | cherries |
| penny | pennies |
| pony | ponies |
| party | parties |
| lady | ladies |
| fly | flies |
| candy | candies |
| tray | trays |
| family | families |
| bay | bays |

#### Explanation:
- cherry → cherries: Ends in y with a consonant before it, so change y to ie and add -s.
- penny → pennies: Ends in y with a consonant before it, so change y to ie and add -s.
- pony → ponies: Ends in y with a consonant before it, so change y to ie and add -s.
- party → parties: Ends in y with a consonant before it, so change y to ie and add -s.
- lady → ladies: Ends in y with a consonant before it, so change y to ie and add -s.
- fly → flies: Ends in y with a consonant before it, so change y to ie and add -s.
- candy → candies: Ends in y with a vowel before it, so simply add -s.
- tray → trays: Ends in y with a vowel before it, so simply add -s.
- family → families: Ends in y with a vowel before it, so simply add -s.
- bay → bays: Ends in y with a vowel before it, so simply add -s.

---

Final Answer:

#### Part 1:
| Singular Noun | Plural Noun |
|---------------|-------------|
| car | cars |
| bus | buses |
| key | keys |
| cup | cups |
| watch | watches |
| pencil | pencils |
| fox | foxes |
| class | classes |
| house | houses |
| box | boxes |
| brush | brushes |
| lunch | lunches |
| sock | socks |
| pen | pens |
| book | books |
| fax | faxes |

#### Part 2:
| Singular Noun | Plural Noun |
|---------------|-------------|
| cherry | cherries |
| penny | pennies |
| pony | ponies |
| party | parties |
| lady | ladies |
| fly | flies |
| candy | candies |
| tray | trays |
| family | families |
| bay | bays |

Final Answer:
\boxed{
\begin{array}{ll}
\text{Part 1:} & \text{cars, buses, keys, cups, watches, pencils, foxes, classes, houses, boxes, brushes, lunches, socks, pens, books, faxes} \\
\text{Part 2:} & \text{cherries, pennies, ponies, parties, ladies, flies, candies, trays, families, bays}
\end{array}
}