Grammar Diagnostics

Find your level and discover exactly what you need to focus on. Complete one diagnostic per session, from A1 through C2.

Choose Your Level

Elementary
A1
Present simple, articles, comparatives, basic questions & negation
Game: Traffic Lights — 12 sentences, tap green or red
Elementary+
A2
Past tenses, modals, first conditional, reported speech, -ed/-ing adjectives
Game: Grammar Bingo — find the 5 errors in a 3×3 grid
Intermediate
B1
Present perfect, conditionals, relative clauses, reported speech, gerunds
Game: The Detective — find errors hidden in 4 paragraphs
Upper Intermediate
B2
Inversion, mixed conditionals, advanced passive, wish & regret
Game: Error Auction — bid your $500 on the sentences with errors
Advanced
C1
Formal conditionals, subjunctive, inversion, dangling modifiers
Game: Precision Pick — two sentences, only one is correct
Mastery
C2
Subjunctive, register, Latin plurals, nominalisation, academic precision
Game: Academic Editor — spot the subtle flaw in each sentence

Focus Diagnostics — By Grammar Point

Short, targeted diagnostics on the single grammar points that most often hold students back at a level. Each one runs in about 10 minutes and ends with a category-by-category breakdown so you know exactly where to go next.

B1 Focus
The Timeline Judge
Present Perfect vs Past Simple — learn to read time signals and pick the right tense every time.
Game: Timeline Judge — finished time or connected to now?
Start Diagnostic →
B2 Focus
The Time Scrambler
Mixed Conditionals — when past causes shape present results, and present traits explain past events.
Game: Time Scrambler — Pattern A or Pattern B?
Start Diagnostic →
C1 Focus
The Formal Flip
Inverted conditionals and formal emphasis — "Had I known…", "Were it not for…", "Should you need…"
Game: Formal Flip — transform the plain into the polished.
Start Diagnostic →

How It Works

Each level uses a different game to test your grammar — from quick-fire traffic lights at A1 to academic editing at C2. Every diagnostic has four stages:

Complete one level per session. Start where you think your level is — or go from A1 upwards for a full grammar profile.