Question 1

Why do we use un for the boy but una for the girl?

Accepted Answer

In Spanish, every noun has a gender. Chico (boy) is masculine, so it uses the masculine singular indefinite article un (a). Chica (girl) is feminine, so it takes the feminine singular article una (a).

Question 2

The sentence is about a boy and a girl, so why is the word for friends masculine (amigos)?

Accepted Answer

Whenever a group includes at least one male person or masculine noun, Spanish defaults to the masculine plural form. Because this group is a mixed pair (one boy, one girl), the word for friends becomes amigos. It would only be amigas if the group consisted entirely of girls.

Question 3

Why do we use son (are) here instead of es (is)?

Accepted Answer

Son is the "they" form of the verb ser (to be). Even though un chico and una chica are singular on their own, combined with "and" (y) they make a plural group (they). Therefore, we need the plural verb son to match.

Question 4

I learned that adjectives go after the noun. Why is it buenos amigos instead of amigos buenos?

Accepted Answer

You are right that most adjectives come after the noun in Spanish! However, a few common descriptive adjectives, like bueno (good) and malo (bad), are common exceptions and often go before the noun.

Un chico y una chica son buenos amigos.

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