Fill in the Grammar — Choose the Correct Form
Pick the right grammar form for each sentence, with the rule explained · 30 grammar topics · Free
30 levels · your stars are saved as you play
Choose a difficulty and level
Complete levels in order to unlock the next
Level Complete!
Great work — you cleared all the words in this level.
How to play Fill in the Grammar
Each level covers one grammar topic, from articles and prepositions of time at Basic to inversion and mixed conditionals at Advanced. Choose the form that completes each sentence; after every answer you see the rule, so you learn why it is right.
- Choose a difficulty, then a level. Each level is one grammar topic with 8 questions (see the list below).
- Read the sentence and the options under it.
- Click the option that completes the sentence. A right answer scores 10 points.
- The correct form and a short rule appear after each answer, then the next question follows.
What you practise
- Articles, prepositions and basic verb forms
- Tenses, modal verbs and conditionals
- The passive, reported speech and relative clauses
- Advanced structures: inversion, the subjunctive and participle clauses
Levels, stars and saving your progress
Fill in the Grammar has 30 levels: 10 at Basic, 10 at Intermediate and 10 at Advanced, with 8 questions on one grammar topic in each. Levels unlock in order: pass one to open the next.
You pass a level by answering at least half the questions correctly: 60% earns two stars and 90% three. Each right answer scores 10 points.
Basic
- Articles (A / An / The)
- Prepositions of Time
- Am / Is / Are
- Was / Were
- Do / Does / Did
- Have / Has
- Can / Could
- There Is / There Are
- Some / Any
- Much / Many / A Lot Of
Intermediate
- Present Perfect
- Past Perfect
- Modal Verbs
- Passive Voice
- First Conditional
- Second Conditional
- Relative Pronouns
- Reported Speech
- Gerund vs Infinitive
- Either / Neither / Both
Advanced
- Third Conditional
- Mixed Conditionals
- Wish / If Only
- Inversion
- Subjunctive Mood
- Future Perfect
- Emphatic Structures
- Complex Passives
- Participle Clauses
- Discourse Markers
Your stars and unlocked levels are saved in this browser as you play. Sign in or create a free account to save them to your account as well, so you can carry on from another device. Every level you finish also appears on your dashboard, with a report of every answer.
Frequently asked questions
Which grammar topics are covered?
30 topics, 10 at each difficulty: from articles, prepositions of time and some/any at Basic, through the present perfect, the passive and reported speech at Intermediate, to inversion, the subjunctive and participle clauses at Advanced. The full list is above.
Do I have to play the levels in order?
Yes. Each level unlocks when you pass the one before it, so the topics build on each other.
Is Fill in the Grammar free?
Yes. All 30 levels are free, and you don’t need an account to play.
Is my progress saved?
Yes. Your stars and unlocked levels are saved in this browser as you play. Sign in with a free account and they are saved to your account too, so you can carry on from another device.