Portuguese: Grammar I
The virtual picture album -- Portugal - A handful of photos set in Portugal. Porivided are suggestions of lesson topics and grammar points for which the picture might be useful.
Infopédia - Dicionário de Verbos Portugueses da Porto Editora : Portuguese regular and irregular verbs conjugator.
Lex Conjugator – Online verb conjugation tool developed by the Department of Computer Science of the University of Lisbon.
Descriptive Grammar of the Portuguese Language - A series of brief explanatory notes in English and well organized charts on the phonology and orthography and morphology of Portuguese.
Brazilian Portuguese grammar: This is a comprehensive online reference tool. Among its many resources are introductions in English to the key features and historical facts about the language, and to all the major grammatical areas. Each point is illustrated with examples in Portuguese; English equivalents for some grammar points are provided.
Brazilian Portuguese language - This site offers a section on basic Brazilian Portuguese Grammar under the following headings: articles | adverbs | comparison | nouns | verbs | irregular verbs | future tense | imperative | prepositions | conjunctions | pronouns | personal pronouns | possessive pronouns | demonstrative pronouns | accents.
Brazilian Portuguese - Another online resource on Portuguese grammar. This one offers more extensive explanations and examples than the one listed above under the following headings: Acentuação gráfica | Classe de Palavras | Composição | Concordância | Conjunção | Crase | Estrutura do Vocábulo | Figura de Estilo | Fonética | Formação da Palavra | Frase | Interjeição | Interpretação | Noções de Versificação | Ortografia | Pontuação | Redação | Regência | Verbo | Vicios da Linguagem.