Explain the rules for forming plural nouns in Portuguese and provide examples.

In Portuguese, forming plural nouns involves applying specific rules based on the ending of the singular noun. Understanding these rules is crucial for proper noun agreement in sentences and effective communication in the language. 1. Nouns Ending in Vowels: * Most nouns ending in a vowel form their plural by adding the letter "s." * Example: casa (house) → casas (houses), livro (book) → livros (books) 2. Nouns Ending in Consonants (Except -l, -m, -r, -z): * Nouns ending in consonants other than -l, -m, -r, and -z form their plur....