The kind of sentence diagramming done in schools really looks nothing like the syntax trees used in formal linguistics, though. It's about 100 years obsolete, f

The kind of sentence diagramming done in schools really looks nothing like the syntax trees used in formal linguistics, though. It's about 100 years obsolete, for one thing. The Language Log article another commentator posted gets at that. Also the Wikipedia article on [Parse Trees][0] is a good intro. [0]: https://en.wikipedia.org/wiki/Parse_tree https://en.wikipedia.org/wiki/Parse_tree