Course
The twelve tenses
Twelve short lessons, one per tense. Each one mixes theory with eight kinds of exercises — listening, typing, sentence building and quick checks — so the grammar sticks.
Reference
The whole system at a glance
Twelve tenses are really a 3×4 grid: three times, four aspects. Click any cell for the full breakdown — formation, uses, mistakes and IELTS notes.
The map
The core six on a timeline
Read it like this: Present Simple & Continuous sit around now. Past Simple is a finished point behind you. Past Continuous is an action in progress in the past. Present Perfect is a bridge — it starts in the past but touches now. Future looks ahead.
Quick compare
Decision shortcuts
The pairs that cause 90% of mistakes — settled in a few lines each.
Drills
Practice
Five drill types with a full explanation for every answer — the rule, the signal words, and why the wrong options are wrong. 1–4 answer · Enter next
Arcade
Games
Same grammar, more adrenaline. Scores are saved, so beat your best.
Memory
Flashcards
Spaced repetition, three decks. Cards you miss come back sooner; cards you know retire. Space flip · 1 again · 2 got it
Exam
IELTS Band 8 playbook
Band 8 in Grammatical Range & Accuracy means a wide range of structures and a majority of error-free sentences. This section maps exactly which tenses each part of the exam wants — then drills them in real exam contexts.
Stats
Your progress
Everything you do here is tracked locally in your browser. Find your weak tenses and hit them first.