葡萄牙语词元的变形形式，依其词性分类。
- Category:葡萄牙语代词变格形：葡萄牙语 pronouns that are inflected to display grammatical relations other than the main form.
- Category:葡萄牙语分词变格形：葡萄牙语 participles that are inflected to display grammatical relations other than the main form.
- Category:葡萄牙语副词变格形：葡萄牙语 adverbs that are inflected to display grammatical relations other than the main form.
- Category:葡萄牙语动词变位形式：词形产生变化（即变位）来表示与原形不同的语法关系的葡萄牙语动词形式。
- Category:葡萄牙语名词变格形：葡萄牙语 nouns that are inflected to display grammatical relations other than the main form.
- Category:葡萄牙语形容词变格形：葡萄牙语 adjectives that are inflected to display grammatical relations other than the main form.