Latin Second Noun Declension

Explanation
The given correct answer "us/er" represents a masculine noun in the nominative case and singular form. The word "us" indicates the masculine gender, while "er" is the suffix used to indicate the nominative case. The slash (/) indicates that "us" and "er" are interchangeable and can be used together to refer to a single masculine noun in the subject position.

Explanation
The given answer "i" is in the masculine, genitive, singular form. In many languages, including Latin and some Slavic languages, nouns have different forms depending on their grammatical case, number, and gender. The genitive case is used to indicate possession or relationship, and in this case, "i" would be the correct form for a masculine noun in the singular genitive case.

Explanation
The given answer "o" is in the masculine, dative, singular form. In many languages, including Spanish and Portuguese, nouns and pronouns have different forms based on their gender, case, and number. In this case, "o" is the form used for a masculine noun or pronoun in the dative case, which typically indicates the indirect object of a sentence.

Explanation
The given answer "um" is in the masculine, accusative, singular form. In German grammar, the accusative case is used for the direct object of a sentence, and it indicates the noun that is directly affected by the action of the verb. The word "um" is a preposition that can be used to indicate movement around a place or time, or it can also be used to indicate the reason or purpose of an action. In this case, without further context, it is not possible to determine the exact meaning or usage of "um" in a sentence.

Explanation
The given answer "o" is in the masculine, ablative, singular form. In Latin, nouns have different forms depending on their grammatical function in a sentence. The ablative case is used to indicate various meanings such as location, means, or manner. In this case, "o" would typically be used to show the masculine noun in its ablative form, indicating its function in a sentence.

Explanation
The given answer "i" is in the masculine gender, nominative case, and plural form. In Latin grammar, nouns have different forms depending on their gender, case, and number. The masculine gender is used to refer to male beings or objects, while the nominative case is the subject form of the noun. Plural form indicates that there are multiple objects or beings being referred to. Therefore, "i" fits the description of being masculine, nominative, and plural.

Explanation
The given answer "orum" is in the masculine, genitive, plural form. In Latin grammar, the genitive case is used to indicate possession or origin. The plural form indicates that there are multiple objects or individuals being referred to. The masculine gender is used when referring to male beings or objects. Therefore, "orum" would be the correct form to use when describing multiple objects or individuals in a possessive manner.

Explanation
The given answer "os" is in the masculine gender, accusative case, and plural form. In Latin grammar, nouns have different forms based on their gender, case, and number. Masculine nouns refer to male beings or objects, accusative case is used to indicate the direct object of a verb, and plural form indicates more than one object. Therefore, "os" is the correct answer as it matches the given criteria.

Explanation
The given answer "um" is in the neuter gender, nominative case, and singular number. In German grammar, nouns and pronouns have different forms depending on their gender, case, and number. "Um" is a pronoun that is used in the nominative case to refer to a neuter noun in the singular form.

Explanation
The given answer "o" indicates the neuter gender, dative case, and singular number. In many languages, including German, nouns have different forms depending on their gender, case, and number. In this case, "o" is the form used for a neuter noun in the dative case and singular number.

Explanation
The given answer "o" corresponds to the neuter, ablative, singular form in Latin. This form is used to indicate the ablative case for neuter nouns in singular form.

Explanation
The given correct answer "a" is in the neuter gender, nominative case, and plural form. In grammar, the neuter gender is used for inanimate objects or things that do not have a specific gender. The nominative case is used for the subject of a sentence or the subject complement. Plural means that the noun refers to more than one item. Therefore, "a" is the correct answer because it fits all these criteria.

Explanation
The word "orum" is in the genitive case, which is used to show possession or relationship. In this case, it is in the plural form, indicating that it is referring to multiple objects or people. The word "neuter" suggests that the objects or people being referred to are of neutral gender. Therefore, "orum" is the correct form to use in this context.

Explanation
The given answer "is" is in the neuter, dative, plural form. In grammar, the dative case is used to indicate the indirect object of a verb or the object of certain prepositions. In this case, "is" is being used to refer to multiple objects in a neutral gender.

Explanation
The given answer "a" is in the neuter gender, accusative case, and plural form.