Syntax Style

Syntax Style

Sentence-level craft, distilled from Virginia Tufte's Artful Sentences: Syntax as Style (Graphics Press, 2006). The book's thesis: the arrangement of words is not decoration on top of meaning, it is part of the meaning. A sentence's shape does work. This skill turns that into a small set of moves you can apply on demand.

When to use this

Apply it whenever you are producing or revising prose and the sentences matter: essays, posts, landing copy, emails that need to land, talk scripts, documentation that should read well. It works at two levels: the single sentence, and the flow between sentences in a paragraph.

It is not a grammar checker and not a voice generator. It assumes the content and the voice are decided; it shapes how the words are arranged.

The one model to hold in your head

Most artful sentences are a base clause plus free modifiers attached at the front, the middle, or the end. The same model produces a two-word sentence and a sixty-word one.

base clause:              The engine failed.
+ end modifiers (right):  The engine failed, a dull cough and then silence, the boat already drifting toward the rocks.
+ front modifier (left):  Two miles from shore, the engine failed.
+ mid-branch modifier:    The engine, sputtering once, failed.

Right-branching, where modifiers accumulate after a complete base clause, is the workhorse and the book's signature move. The artful version of a flat passage is often longer, not shorter. Two failure modes sit on either side: all base and no modifier is monotone (and chopping a passage into short sentences is just a different monotone), while length built from nested "which/that" clauses instead of free modifiers is fog. See principles.md.

How to apply it

Editing existing prose — run the pass in checklist.md. Read for rhythm first, then fix one thing at a time. Do not rewrite everything; change the sentences that are doing no work.

Drafting new prose — write the plain version first, then look at structures.md and reach for the move that matches what each key sentence is trying to do. Punch wants a short sentence. Equivalence wants parallelism. A definition wants an appositive.

Killing AI-flatness — kill-list.md names the patterns that make prose sound machine-generated and gives the structural fix for each. The fix is always "reach for a specific move", not "add more words".

The reference files

• principles.md — the core theses. Read this first; it is the why.
• structures.md — the 14 syntactic moves as a goal → structure table, each with how to build it and a worked example.
• kill-list.md — flat and AI-sounding patterns, each paired with the move that fixes it.
• checklist.md — the revision pass: sentence level, then paragraph cohesion.
• before-after.md — twelve plain → crafted pairs across the structures.
• cheatsheet.html — one-page printable reference.

Three rules that override the rest

1. Repetition is a tool, not an error. Deliberate repetition builds rhythm and insistence ("a second is a second is a second"). Do not flatten it. The target is monotony, which is accidental sameness, not repetition, which is chosen.
2. Variation cuts both ways. The common failure is sentences all the same length and opening. But a page of clipped short sentences is just as monotonous as a page of long ones. Vary length in both directions, and let one genuinely long sentence sit next to one genuinely short one.
3. Shorter is not automatically better. When a long sentence fails, the usual cause is bound-modifier glut, not length. The fix is to rebuild it on a clean base clause with free modifiers, not to chop it into fragments. The triad is one option among many; prefer the pair and antithesis, and reach for three only when three is the real number.

All examples in this skill are written for the skill. The book quotes roughly a thousand sentences from working writers; none are reproduced here. The techniques are attributed to the book; the example sentences are not from it.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: aref-vc
• Source: aref-vc/syntax-style-skill
• License: MIT

Install and usage instructions live in the source repository linked above.