Common Errors

The Top 20 Common Errors Checklist

Just a quiet feeling something's off, no lecture wanted — twenty fixes worth knowing, no fluff attached

Roger Fielding 3 min read Common Errors

Punctuation, Style & Myths — Which Problem?

Squiggle from the checker, and no clue if it's punctuation, style, or a myth — find your problem

Roger Fielding 2 min read Common Errors

Sentence-Level Trouble — Which Problem?

You've read the sentence back three times and it still doesn't sit right — find what's actually wrong

Roger Fielding 2 min read Common Errors

Word-Level Trouble — Which Problem?

The sentence shape is fine, the full stops sit right, yet one word keeps snagging — track it down

Roger Fielding 2 min read Advanced

Topic, Comment & Given vs New

One sentence comes back circled with a single word in the margin — awkward — and you can't see why

Roger Fielding 12 min read Advanced

Phrase Structure & Constituency (Advanced)

A sentence feels wrong somewhere, but every word checks out — three tests to find the real culprit

Roger Fielding 13 min read Advanced

Extraposition: "It's Important To…" and Moving Heavy Clauses to the End

Say aloud that we forgot the worksheets is obvious and something feels off — the fix starts with it

Roger Fielding 11 min read Advanced

Discourse Markers & Cohesion

Reread your own email and it feels like disconnected facts — small words that quietly glue it together

Roger Fielding 11 min read Advanced

Where the Light Falls

Why two true sentences can land so differently — and where in this pillar to start

Roger Fielding 5 min read Advanced

Advanced Grammar & Syntax — Complete Map

Every article in the Advanced pillar, mapped. Start with the opener below.

Roger Fielding 1 min read Reference

Get Your Bearings

The lay of the land — where to check a UK–US split before it snags your draft

Roger Fielding 5 min read Reference

The Master Index of UK vs US Differences

Every article in the Reference pillar, mapped. Start with the opener below.

Roger Fielding 1 min read