Last Tuesday, while I ________ (walk) to work, I realized I ________ (forget) my briefcase.
To solve this, you need to juggle three different time frames (future, past, and present perfect) simultaneously. This is the skill that B2 exams (Cambridge First, IELTS 5.5-6.5, TOEFL) actively test. mixed tenses exercises pdf b2
Reaching the level is a milestone. You know the difference between the Present Perfect and the Past Simple. You can confidently use the Future Continuous, and you’ve even dabbled with the Past Perfect. But the real challenge at B2 isn’t understanding tenses in isolation—it’s using them all together in a single paragraph, story, or conversation. Last Tuesday, while I ________ (walk) to work,
Do this for two weeks, and the “bottleneck” will become a breakthrough. while I ________ (walk) to work