Question

underline the correct answer in each sentence.
(1) (specific, signal) words are clues to identifying nouns.
(2) a (proper, compound) noun is two nouns put together to form one word.
(3) a noun used as a subject must agree in (possession, number) with the verb.
(4) a singular noun forms its possessive by adding an (apostrophe, apostrophe and \s\).
(5) plural nouns that do not end in \s\ form their possessives by adding an (apostrophe, apostrophe and \s\).
(6) a plural noun that ends in \s\ forms its possessive by adding an (apostrophe, apostrophe and \s\).

Explanation:

1. For (1): "Specific" words are clues for identifying nouns, so "Specific" is correct.
2. For (2): A compound noun is formed by two nouns together, so "compound" is correct.
3. For (3): Subject - verb agreement is in number (singular/plural), so "number" is correct.
4. For (4): Singular noun possessive: add apostrophe and "s" (e.g., dog's), so "apostrophe and 's'" is correct.
5. For (5): Plural nouns not ending in "s" (e.g., children) form possessive with apostrophe and "s" (children's), so "apostrophe and 's'" is correct.
6. For (6): Plural nouns ending in "s" (e.g., dogs) form possessive with just apostrophe (dogs'), so "apostrophe" is correct.

Answer:

(1) Specific
(2) compound
(3) number
(4) apostrophe and "s"
(5) apostrophe and "s"
(6) apostrophe