Grammarbit

Install Grammarbit

Free, no app store, no sign-up. It opens full screen and your progress stays with you.

  1. Look for the install icon at the right of the address bar, or open the browser menu.
  2. Choose “Install”. The app opens in its own window.

Free · No sign-up · A1 to C2

English grammar practice that never runs out.

Pick the tenses you’re learning, choose a game and play — as long as you like. Make mistakes, learn why, and watch them come back until they stick.

Start practising Today’s challenge
  • Millions of unique exercises
  • 214 grammar skills
  • 5 game modes
  • Endless sessions
Try one

Choose the best form for a timetable.

The trains to Oxford (leave) at quarter to five on Friday.

Press a number key — or tap an answer.

Play

Pick a game

Every game works with any mix of tenses and any level.

Topics

Choose what to practise

Practise one tense or mix a whole group. Each topic also has a short lesson. More are on the way.

Present

Mix them all Compare
  • Present Simple“She works from home on Fridays.” Practise Learn
  • Present Continuous“They’re watching the match right now.” Practise Learn
  • Present Perfect“I’ve never tried sushi.” Practise Learn
  • Present Perfect Continuous“I’ve been waiting for the bus for twenty minutes.” Practise Learn

Past

Mix them all Compare
  • Past Simple“We visited Rome last summer.” Practise Learn
  • Past Continuous“I was cooking dinner when the phone rang.” Practise Learn
  • Past Perfect“By the time we arrived, the film had started.” Practise Learn
  • Past Perfect Continuous“We had been waiting for an hour when the bus came.” Practise Learn

Future

Mix them all Compare
  • Future Simple“I think it’ll rain later.” Practise Learn
  • Future Continuous“This time tomorrow I’ll be lying on a beach.” Practise Learn
  • Future Perfect“By June, we’ll have finished the course.” Practise Learn
  • Future Perfect Continuous“By May, she’ll have been working here for ten years.” Practise Learn

Verb forms

  • Modal Verbs“You should see a doctor.” Practise Learn
  • Conditionals“If I had time, I’d learn Japanese.”Coming soon
  • Passive Voice“The bridge was built in 1890.”Coming soon

Words & sentences

How it works

Practise it, keep it

  1. 1

    Pick your tenses

    The ones from your class, a video or your own study. Mix as many as you like, at your level.

  2. 2

    Play

    Fill gaps, fix mistakes, build sentences, make questions. Every exercise is new — it never runs out.

  3. 3

    Mistakes come back

    Get something wrong and you’ll see it again, marked “Review”, until it sticks. Stuck? Every topic has a short lesson.

Made for flow

No mouse required

Choose with number keys, check with Enter, keep going with Enter. Comfortable for quick learners and anyone who prefers the keyboard — and large, easy targets when you use touch.

Levels

From first words to fluent

Levels follow the CEFR scale used by schools and exams worldwide. Not sure? Start at A2 and adjust.

Questions

Good to know

Is it really free?

Yes. Every exercise, game mode and level is free, with no sign-up and no limits.

Do I need an account to save my progress?

No. Your progress, streaks and achievements are saved privately in your browser. You can download a backup from the progress page and restore it on another device.

How many exercises are there?

Exercises are generated from carefully written grammar rules and vocabulary, so there are millions of possible combinations. You can practise for hours and rarely see the same one twice.

Which level should I choose?

If you are not sure, start at A1 or A2. If it feels too easy, move up. Levels follow the Common European Framework (CEFR), from A1 (beginner) to C2 (proficient).

Can I use it without a mouse?

Absolutely. Every exercise and game can be completed with the keyboard: numbers to choose, Enter to check and continue. Press ? during practice to see all shortcuts.