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Rainian English

UK English · CEFR B1–B2+ · 5 guides

No-fluff micro-guides for tricky UK English

Developer-docs for grammar. Each guide is a 3-minute read: a mental model, a comparison matrix, real UK contrasts, the traps, and a quick check.

Confusion Clusters

Grammar grouped by the mistakes it causes, not by textbook chapter.

Interactive

Nuance Lab

Flip one scenario between statement, question, offer and free choice — watch some- / any- / no- swap live.

Open the lab →

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