Question

exercise 9 - write the plural form for the following nouns.

1. potato
2. mango
3. radio
4. video
5. studio
6. hero
7. tomato
8. rodeo

rule # 5: some singular nouns are made plural by spelling changes or by adding a syllable. other nouns have the same singular and plural form.
exercise 10 - write the plural form for each noun below. (check a dictionary if you aren’t sure.)

1. fowl
2. tooth
3. fish
4. moose
5. child
6. goose
7. mouse
8. woman
9. sheep
10. ox
11. foot
12. man

exercise 11 - change any singular noun to its plural form. write a sentence using the plural form.

1. class
2. fox
3. life
4. hero
5. duty

Explanation:

This problem involves writing the plural forms of nouns, which falls under the Arts discipline, specifically Linguistics (subfield of Arts) as it deals with word forms and grammar rules. We'll solve each exercise:

Exercise 9:

1. potato: Nouns ending in -o (especially with a vowel before -o or for some common exceptions) often add -es. So plural is potatoes.
2. mango: Can be mangoes (more common in British English) or mangos (American English), but mangoes is standard for this rule - adding -es for -o ending with a consonant before (mango has 'g' before 'o').
3. radio: Ends with -o, and since 'radio' has a vowel before 'o' (radio), we add -s. So radios.
4. video: Similar to radio, vowel before -o, add -s. videos.
5. studio: Vowel before -o, add -s. studios.
6. hero: Consonant before -o (hero), add -es. heroes.
7. tomato: Consonant before -o (tomato), add -es. tomatoes.
8. rodeo: Vowel before -o (rodeo), add -s. rodeos.

Exercise 10:

1. fowl: Can be fowl (same singular/plural) or fowls (when referring to types). But often fowl (plural same as singular).
2. tooth: Irregular plural, change 'oo' to 'ee' → teeth.
3. fish: Can be fish (same) or fishes (when referring to species), but fish is common for plural of individual fish.
4. moose: Same singular and plural → moose.
5. child: Irregular, add -ren → children.
6. goose: Irregular, change 'oo' to 'ee' → geese.
7. mouse: Irregular, change 'ouse' to 'ice' → mice.
8. woman: Irregular, change 'a' to 'e' → women.
9. sheep: Same singular and plural → sheep.
10. ox: Irregular, add -en → oxen.
11. foot: Irregular, change 'oo' to 'ee' → feet.
12. man: Irregular, change 'a' to 'e' → men.

Exercise 11:

1. class: Nouns ending in -ss add -es. So classes. Sentence: The classes at school start at 8 AM.
2. fox: Nouns ending in -x add -es. foxes. Sentence: The foxes roamed the forest at night.
3. life: Change 'f' to 'v' and add -es (since 'life' ends with -fe, but for -f/-fe, sometimes change to -ves). Wait, 'life' → lives. Sentence: Many lives were affected by the storm.
4. hero: As in Exercise 9, heroes. Sentence: The heroes saved the town from danger.
5. duty: Nouns ending in -y (consonant before y: duty → 't' is consonant before 'y') change 'y' to 'i' and add -es. So duties. Sentence: The teacher assigned many duties to the students.

Answer:

Exercise 9 Answers:

1. potatoes
2. mangoes (or mangos)
3. radios
4. videos
5. studios
6. heroes
7. tomatoes
8. rodeos

Exercise 10 Answers:

1. fowl (or fowls)
2. teeth
3. fish (or fishes)
4. moose
5. children
6. geese
7. mice
8. women
9. sheep
10. oxen
11. feet
12. men

Exercise 11 Answers:

1. classes; The classes at school start at 8 AM.
2. foxes; The foxes roamed the forest at night.
3. lives; Many lives were affected by the storm.
4. heroes; The heroes saved the town from danger.
5. duties; The teacher assigned many duties to the students.