What is Tense Buster?

Help your ESL learners break through the grammar barrier with Tense Buster, Clarity’s most popular program. Described by British Council Network News as "very popular with students, attractive and easy to use", Tense Buster helps learners with 33 key grammar areas at five levels. Ideal for independent learning, classwork and homework. A brand new test-on-demand function enables students to check their level and measure their progress. Find out more by reading this brochure, and by watching this video.

CEFR level:

CEFR level

Equality exercise in Tense Buster program

Syllabus and demo

News and updates

Using Tense Buster program on notebook for learning grammar
  1. 2022 Sep: Minor content updates in Elementary, Pre-Intermediate and Intermediate levels.
  2. Time spent on Tense Buster last year: 11,858,230 minutes.
  3. Adopted by the British Council for all 227 teaching centres worldwide.
  4. Read some Tense Buster reviews.
  5. Download a list of institutions using Tense Buster around the world.

Support materials

web banner

Web banner

Ideas to promote Tense Buster on all online platforms.

Social media

Social media

Ideas to promote Tense Buster on all social media platforms – text and images included.



Ideas to promote Tense Buster through email – text and images included.



The poster highlights learning strategies, with a space for your own access instructions.

Program description

Program description

The text here highlights the features of Tense Buster, so your students will understand how Tense Buster can help them.

Teacher support

Teacher support

Download an activity sheet to find out how to use the program, and to get an overview of the content.

support materials

Read more >

Download everything you need with one click. Or you can email us with your requirements: info@clarityenglish.com


technical specifications

Technical specifications

Tense Buster runs on desktop, laptop, tablet and mobile. To run this program, you need an up-to-date version of one of these browsers:

  • Google Chrome
  • Mozilla Firefox
  • Apple Safari
  • Microsoft Edge

latest upgrades

Latest upgrades

  1. 2023 Jun: Worksheet updated in Elementary level, new voice updates in Pre-Intermediate, Intermediate and Upper Intermediate levels
  2. 2022 Sep: Minor content updates in Elementary, Pre-Intermediate and Intermediate levels
  3. 2022 Sep: New set of Australian pronunciation videos in International English version
  4. 2022 Jul: Test-on-demand function released
  5. 2022 Jun: New set of pronunciation videos; new and updated content; new voices and new audios in all levels; test-on-demand function under development

See more...

technical support pledge

Technical support pledge

"My aim is to ensure you have smooth, trouble-free use of any programs you purchase from Clarity. I therefore guarantee to find a fast and effective solution to any technical problems related to Clarity programs, or provide a full refund."

Martin Ng,
IT Manager