Say “sentence diagramming” to people of a certain age, and you get reactions ranging from, “Oh, I was really good at that in eighth grade,” to “Mrs. Green made us diagram The Rime of the ...

When you think about a sentence, you usually think about words — not lines. But sentence diagramming brings geometry into grammar. If you weren't taught to diagram a sentence, this might sound a ...

When you think about a sentence, you usually think about words — not lines. But sentence diagramming brings geometry into grammar. If you weren't taught to diagram a sentence, this might sound a ...

If you weren't taught to diagram a sentence, this might sound a little zany. But the practice has a long -- and controversial -- history in U.S. schools.

"When you diagram a sentence, those things are always in that relation to each other. It always makes the same kind of picture.