Grammar Games — Free ESL Grammar Practice Online
Three free ESL grammar games targeting the structures most commonly tested in IGCSE ESL, IB English B and Cambridge B2 First examinations. Each game is built from real exam-style questions, includes explanations after every answer, and can be filtered by CEFR level to match exactly where your students are.
The games
Gap Fill — a sentence appears with one word missing. Choose the correct word from four options to complete the sentence. The explanation after each answer explains the grammar rule, not just the correct answer. Directly mirrors the format of Cambridge B2 First Use of English Part 1 and IGCSE ESL reading tasks.
Spot the Mistake — a sentence contains one deliberate grammar error. Identify the incorrect word and choose the correct replacement. Builds the proofreading instinct that separates accurate writers from careless ones — a skill explicitly rewarded in all three major exam syllabuses.
Sentence Scramble — the words of a sentence are shuffled. Tap them back into the correct order. Develops an intuitive understanding of English word order, clause structure and the placement of adverbs, adjectives and auxiliary verbs.
How the questions are generated
Every question is drawn from the ESLe College grammar database — a curated set of grammar questions built from real vocabulary example sentences and aligned to the grammar taxonomy used in IGCSE ESL, IB English B and Cambridge B2 First marking schemes. Questions cover articles, prepositions, verb tenses, subject-verb agreement, relative clauses, conditionals, reported speech, passive constructions and more.
Each question is tagged by CEFR level. Use the level filter to focus a session on A2 structures for lower-ability groups or C1 structures for extension work. The number of questions per session is also adjustable — ten questions for a quick starter, thirty for a full revision session.
Why grammar games improve exam results
Grammar questions in ESL exams are not testing whether students have memorised rules — they are testing whether correct grammar feels natural. That feeling comes from encounter and production: seeing a structure used correctly, making a choice about it, getting immediate feedback and understanding why. These games provide exactly that cycle, faster and more efficiently than most traditional grammar exercises.
The explanation shown after every answer is the most important part. Students who read explanations carefully — not just move on after a correct answer — build grammatical awareness that transfers to their own writing. Encourage students to slow down and read each explanation before pressing Next.
For teachers
All three games work well projected on the board for whole-class grammar review. Gap Fill and Spot the Mistake in particular are natural discussion starters — read the question aloud, take a class vote, then reveal the answer and work through the explanation together. The disagreements in the class vote are often the most valuable teaching moments.
For vocabulary-focused games visit the Vocabulary Games page. For classroom tools including Spin the Wheel, Bingo and Hot Seat, visit the Teacher Hub.