Answer:

In the sentence “She walked home,” “She” is the noun because she is a person. In “Portland is a cool city,” “Portland” is the noun because it is a place. In “The windows need to be open,” “windows” is the noun because it is a thing.

Answer:

A. In the sentence “She walked home,” “She” is the noun because she is a person. In “Portland is a cool city,” “Portland” is the noun because it is a place. In “The windows need to be open,” “windows” is the noun because it is a thing.

B. Some irregular nouns take on the plural form by first changing the last letter of the word before adding “s.” Words that end in “f” are a good example of this case. To make such a word plural, you change the “f” to “ve” and add an “s.” Irregular plural nouns that end in ves: More than one elf = elves.

Explanation:

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