Guillaume voyage avec ______ soeur et _______ parents.

i have to use " SON , SA, OR SES " as appropriate.

avec sa soeur et ses parents

The possessive adjective for "his, her, its" in French is son , sa, ses. Son is for any masculine singular noun, sa for any feminine singular noun and ses for all plural nouns.

A feminine nouns like "abeille" (bee) for sound also uses "son" because "sa" would give you such an ugly sound! You might think yu are hearing s'abeille. Any feminine singular noun beginning with a vowel or a silent "h" will do that as well.

Sra (aka Mme)

Guillaume voyage avec SA soeur et SES parents.

To determine whether to use "son," "sa," or "ses" in the given sentence, we need to consider the gender and number agreement between the possessive adjective and the nouns it modifies.

In French, possessive adjectives must agree in gender and number with the noun they are referring to. "Son" is used with a masculine singular noun, "sa" with a feminine singular noun, and "ses" with plural nouns regardless of the gender.

In the sentence "Guillaume voyage avec ______ soeur et _______ parents," we have the possessive adjectives to be filled in.

Since "soeur" (sister) is a feminine singular noun, we use "sa" to agree with the noun, making the sentence "Guillaume voyage avec sa soeur et _______ parents."

Next, we have the noun "parents" which is plural, so we use "ses" as the possessive adjective, resulting in the final sentence: "Guillaume voyage avec sa soeur et ses parents."

By following the rules of gender and number agreement, we can determine that the correct sentence is "Guillaume voyage avec sa soeur et ses parents."