ACT English Flashcards: Apostrophe Possessive And Plural

What this deck covers

This deck focuses on Apostrophe Possessive And Plural, giving you a quick way to review the definitions, rules, and examples that matter most for ACT English.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: What is the possessive form of 'woman'?

Answer: woman's. Singular noun gets apostrophe + s.

Flashcard 2: What is the rule for forming a possessive with a plural noun that ends in $s$?

Answer: Add an apostrophe after the final s. Regular plurals ending in s only need an apostrophe.

Flashcard 3: Identify the error: The man's hat is blue.

Answer: Correct. Singular noun 'man' follows standard possessive rule.

Flashcard 4: Find and correct: 'The childrens toys are scattered.'

Answer: Correct: 'The children's toys are scattered.'. Irregular plural 'children' takes apostrophe + s.

Flashcard 5: Choose the correct option: "Whose/Who's" coming to the meeting at $3$ p.m.?

Answer: Who's. Who's contracts 'who is' in this question.

Flashcard 6: What is the plural form of 'leaf'?

Answer: leaves. Change f to v and add -es.

Flashcard 7: Identify the error: The children's playground is new.

Answer: Correct. 'Children' is irregular plural not ending in s, so add 's.

Flashcard 8: Which is correct: The children's books or The childrens' books?

Answer: The children's books. 'Children' is irregular plural not ending in s, so add 's.

Flashcard 9: What is the rule for forming a possessive with a singular noun that does not end in $s$?

Answer: Add 's to the singular noun. Standard rule for singular possession regardless of final letter.

Flashcard 10: How do you form the plural of regular nouns?

Answer: Add s or es to the end of the noun. Use 'es' for nouns ending in s, sh, ch, x, or z.

Flashcard 11: What is the correct possessive form of the irregular plural noun "men"?

Answer: men's. Irregular plurals not ending in s add 's for possession.

Flashcard 12: What is the possessive form of 'Charles'?

Answer: Charles's or Charles'. Both forms acceptable for names ending in s.

Flashcard 13: What is the plural of 'person'?

Answer: People. Irregular plural form with different root word.

Flashcard 14: What is the plural form of 'analysis'?

Answer: analyses. Greek plural changes -is to -es.

Flashcard 15: Identify the possessive form of 'dog'.

Answer: dog's. Add apostrophe + s to show singular possession.

Flashcard 16: What is the plural form of 'child'?

Answer: children. Irregular plural form of child.

Flashcard 17: What is the plural form of the noun 'cat'?

Answer: cats. Add -s for most regular plural nouns.

Flashcard 18: Choose the correct form: The mens' club or The men's club?

Answer: The men's club. 'Men' is irregular plural not ending in s, so add 's.

Flashcard 19: Identify the possessive form of 'James'.

Answer: James's or James'. Names ending in s accept both possessive forms.

Flashcard 20: Identify the error: The oxen's cart is heavy.

Answer: Correct. 'Oxen' is irregular plural not ending in s, so add 's.

Flashcard 21: What is the rule for forming a possessive with a plural noun that ends in $s$?

Answer: Add an apostrophe after the final s. Regular plurals ending in s only need an apostrophe.

Flashcard 22: What is the rule for forming plurals of nouns ending in 'y'?

Answer: Change 'y' to 'i' and add 'es'. Apply when y follows a consonant.

Flashcard 23: What is the plural form of the noun 'cat'?

Answer: cats. Add -s for most regular plural nouns.

Flashcard 24: What is the standard rule for forming the plural of a regular noun like "book"?

Answer: Add s: books. Most nouns simply add s for plural form.

Flashcard 25: Which form correctly shows plural possession for a plural noun ending in $s$: "bosses"?

Answer: bosses'. Plural nouns ending in s only need an apostrophe after the s.

Flashcard 26: Which form correctly shows plural possession for a plural noun ending in $s$: "bosses"?

Answer: bosses'. Plural nouns ending in s only need an apostrophe after the s.

Flashcard 27: Find and correct: 'Its a beautiful day.'

Answer: Correct: 'It's a beautiful day.'. Contraction 'it is' requires apostrophe.

Flashcard 28: What is the plural of 'mouse'?

Answer: Mice. Irregular plural form with internal vowel change.

Flashcard 29: Choose the correct option for separate ownership: "the girls' bikes" or "the girls's bikes"?

Answer: the girls' bikes. Multiple girls require the plural possessive form.

Flashcard 30: Find and correct the error: 'Its raining heavily.'

Answer: Correct: 'It's raining heavily.'. It's = it is (contraction needs apostrophe).

Flashcard 31: What is the possessive form of 'woman'?

Answer: woman's. Singular noun gets apostrophe + s.

Flashcard 32: What is the rule for forming a possessive with a singular noun that does not end in $s$?

Answer: Add 's to the singular noun. Standard rule for singular possession regardless of final letter.

Flashcard 33: Identify the error: The oxen's cart is heavy.

Answer: Correct. 'Oxen' is irregular plural not ending in s, so add 's.

Flashcard 34: Identify the error: The Jones's car is red.

Answer: Correct: The Joneses' car is red. 'Jones' becomes 'Joneses' (plural), then add apostrophe.

Flashcard 35: What is the plural form of 'knife'?

Answer: knives. Change f/fe to v + es.

Flashcard 36: What is the rule for forming plurals of nouns ending in 'y'?

Answer: Change 'y' to 'i' and add 'es'. Apply when y follows a consonant.

Flashcard 37: What is the main purpose of an apostrophe in standard English punctuation?

Answer: To show possession or to form a contraction. These are the two primary functions of apostrophes in English.

Flashcard 38: What is the correct possessive form of the singular proper noun "James" in most style guides?

Answer: James's. Names ending in s typically add 's for possession.

Flashcard 39: What does the contraction 'it's' stand for?

Answer: It is or it has. The apostrophe replaces missing letters in contractions.

Flashcard 40: What is the correct possessive form of the plural noun "women"?

Answer: women's. Irregular plurals not ending in s add 's for possession.

Flashcard 41: What is the plural form of the noun 'hero'?

Answer: heroes. Add -es to nouns ending in o.

Flashcard 42: What rule applies to form the possessive of singular nouns?

Answer: Add 's' or just an apostrophe if ending in 's'. Standard possessive formation rule for singular ownership.

Flashcard 43: What is the plural form of the noun 'mouse'?

Answer: mice. Irregular plural form of mouse.

Flashcard 44: What is the correct possessive form of the irregular plural noun "children"?

Answer: children's. Irregular plurals not ending in s add 's like singular nouns.

Flashcard 45: Which form correctly shows plural possession for the noun "teachers"?

Answer: teachers'. Plural nouns ending in s only add an apostrophe after the s.

Flashcard 46: Choose the correct option: "Whose/Who's" coat is hanging by the door?

Answer: Whose. Whose asks about ownership or possession.

Flashcard 47: Find and correct the error: "The company increased it's profits last year."

Answer: Correct: "its profits". It's is a contraction meaning 'it is' or 'it has.'

Flashcard 48: What is the correct plural of "phenomenon"?

Answer: phenomena. Greek word maintaining original plural form.

Flashcard 49: What is the standard rule for pluralizing a noun ending in vowel + $y$ (for example, "toy")?

Answer: Add s: toys. Vowel before y allows simple s addition.

Flashcard 50: What is the correct possessive form of the irregular plural noun "children"?

Answer: children's. Irregular plurals not ending in s add 's like singular nouns.

Flashcard 51: What is the correct possessive form of the pronoun "it"?

Answer: its. Possessive pronouns never use apostrophes.

Flashcard 52: What is the standard rule for pluralizing a noun ending in vowel + $y$ (for example, "toy")?

Answer: Add s: toys. Vowel before y allows simple s addition.

Flashcard 53: What is the plural form of 'person'?

Answer: people. Irregular plural form of person.

Flashcard 54: Choose the correct option for one girl: "the girl's bike" or "the girl' bike"?

Answer: the girl's bike. One girl uses the singular possessive form.

Flashcard 55: What rule applies to form the possessive of singular nouns?

Answer: Add 's' or just an apostrophe if ending in 's'. Standard possessive formation rule for singular ownership.

Flashcard 56: Choose the correct form: The mens' club or The men's club?

Answer: The men's club. 'Men' is irregular plural not ending in s, so add 's.

Flashcard 57: What is the rule for forming the possessive of singular nouns?

Answer: Add 's to the end of the noun. This applies to all singular nouns, regardless of their ending letter.

Flashcard 58: Find and correct: 'The Jones' car is red.'

Answer: No error. Family name ending in s shows possession correctly.

Flashcard 59: Choose the correct form: The ladies' room or The lady's room?

Answer: The ladies' room. Context determines if one lady or multiple ladies own the room.

Flashcard 60: What is the rule for forming the plural of nouns ending in f or fe?

Answer: Change f or fe to ves. Examples: leaf→leaves, knife→knives, half→halves.

Flashcard 61: Which is correct: The children's books or The childrens' books?

Answer: The children's books. 'Children' is irregular plural not ending in s, so add 's.

Flashcard 62: What is the plural form of the noun 'hero'?

Answer: heroes. Add -es to nouns ending in o.

Flashcard 63: Find and correct: 'The Jones' car is red.'

Answer: No error. Family name ending in s shows possession correctly.

Flashcard 64: Which is correct: The students' books or The student's books?

Answer: The students' books. Context determines if one student or multiple students own books.

Flashcard 65: What is the plural of 'goose'?

Answer: Geese. Irregular plural form with internal vowel change.

Flashcard 66: What is the plural of 'cactus'?

Answer: Cacti. Latin-origin word following original Latin plural form.

Flashcard 67: How do you form the plural of nouns ending in y preceded by a consonant?

Answer: Change y to i and add es. Examples: city→cities, baby→babies, party→parties.

Flashcard 68: Identify the error: The cats' toy is missing.

Answer: Correct if referring to multiple cats. Multiple cats own one toy; apostrophe placement is correct.

Flashcard 69: Which possessive pronouns never take apostrophes: its, yours, hers, ours, theirs?

Answer: All listed possessive pronouns take no apostrophes. Possessive pronouns are inherently possessive without apostrophes.

Flashcard 70: What is the rule for forming the possessive of singular nouns?

Answer: Add 's to the end of the noun. This applies to all singular nouns, regardless of their ending letter.

Flashcard 71: What is the standard rule for pluralizing a noun ending in a consonant + $y$ (for example, "city")?

Answer: Change y to i and add es: cities. Consonant before y changes the pluralization rule.

Flashcard 72: How do you form the possessive of 'children'?

Answer: children's. Irregular plural takes apostrophe + s.

Flashcard 73: Identify the error: 'The cars' engine is noisy.'

Answer: Correct: 'The car's engine is noisy.'. Single car ownership needs apostrophe + s.

Flashcard 74: What is the rule for forming a possessive with a plural noun that does not end in $s$?

Answer: Add 's to the plural noun. Irregular plurals follow the same rule as singular nouns.

Flashcard 75: Identify the error: The geese's pond is frozen.

Answer: Correct. 'Geese' is irregular plural not ending in s, so add 's.

Flashcard 76: How do you form the plural of nouns ending in y preceded by a consonant?

Answer: Change y to i and add es. Examples: city→cities, baby→babies, party→parties.

Flashcard 77: Identify the error: The mice's cheese is gone.

Answer: Correct. 'Mice' is irregular plural not ending in s, so add 's.

Flashcard 78: Find and correct the error: "The 1990's were a decade of change."

Answer: Correct: "the 1990s". Decades are plural, not possessive, so no apostrophe.

Flashcard 79: Identify the error: 'The Smiths' house is big.'

Answer: No error. Plural family name with apostrophe shows possession.

Flashcard 80: What is the possessive form of the noun 'it'?

Answer: its. Pronoun possessive never uses apostrophe.

Flashcard 81: What is the standard rule for pluralizing a noun ending in a consonant + $y$ (for example, "city")?

Answer: Change y to i and add es: cities. Consonant before y changes the pluralization rule.

Flashcard 82: Identify the error: The Jones's car is red.

Answer: Correct: The Joneses' car is red. 'Jones' becomes 'Joneses' (plural), then add apostrophe.

Flashcard 83: How do you form the possessive of 'class'?

Answer: class's or class'. Both possessive forms acceptable for class.

Flashcard 84: Choose the correct option: The "students'/student's" backpack was missing (one student).

Answer: student's. One student requires singular possessive form.

Flashcard 85: Choose the correct option: The robot lost "its/it's" left arm during testing.

Answer: its. Its shows possession without an apostrophe.

Flashcard 86: Which form correctly shows singular possession for the noun "teacher"?

Answer: teacher's. Singular nouns add 's to show possession.

Flashcard 87: What is the plural of 'foot'?

Answer: Feet. Irregular plural form with internal vowel change.

Flashcard 88: Identify the possessive form of 'teacher'.

Answer: teacher's. Singular possessive formation.

Flashcard 89: What is the plural form of 'tooth'?

Answer: teeth. Irregular plural form of tooth.

Flashcard 90: Identify the error: The dogs bone is buried.

Answer: Correct: The dog's bone is buried. Missing apostrophe; 'dog's' shows the bone belongs to the dog.

Flashcard 91: Which is correct: The baby's toys or The babies' toys?

Answer: The baby's toys. Context determines if one baby or multiple babies own toys.

Flashcard 92: Identify the error: The childrens toys are scattered.

Answer: Correct: The children's toys are scattered. Missing apostrophe; 'children' is plural but doesn't end in s.

Flashcard 93: Which form is correct for joint possession: one car owned by Ana and Luis?

Answer: Ana and Luis's car. Joint possession puts 's only on the last owner's name.

Flashcard 94: Which is correct: The baby's toys or The babies' toys?

Answer: The baby's toys. Context determines if one baby or multiple babies own toys.

Flashcard 95: What is the plural form of 'child'?

Answer: children. Irregular plural form of child.

Flashcard 96: Which is correct: The Smiths' house or The Smith's house?

Answer: The Smiths' house. 'Smiths' is plural family name, so add only apostrophe.

Flashcard 97: Find and correct the error: 'Its raining heavily.'

Answer: Correct: 'It's raining heavily.'. It's = it is (contraction needs apostrophe).

Flashcard 98: What is the rule for forming the plural of nouns ending in f or fe?

Answer: Change f or fe to ves. Examples: leaf→leaves, knife→knives, half→halves.

Flashcard 99: What is the standard rule for pluralizing many nouns ending in $f$ or $fe$ (for example, "knife")?

Answer: Often change to ves: knives. Many f/fe words change to v before adding es.

Flashcard 100: What is the plural form of 'knife'?

Answer: knives. Change f/fe to v + es.