When asking which choice (case, tense, mood etc.) is grammatical in a given situation, use this tag.
Several excellent Latin grammars are available online:
- Gildersleeve's Latin Grammar
- Allen and Greenough's New Latin Grammar
- Bennett's New Latin Grammar
Of these, Gildersleeve is usually the most detailed and comprehensive.
Latin grammars not in the public domain include:
- Woodcock's A New Latin Syntax (1959)
- Pinkster's Oxford Latin Syntax (2015)