Oxford Practice Grammar Upper Intermediate May 2026

Three weeks later, she took the second diagnostic test in the back of the book. The same 50 questions. This time, she got only three wrong. She laughed out loud.

The real test came at work. Her team was discussing a failed project. Her colleague said, “If we had checked the data earlier, we wouldn't have lost the client.” Two months ago, Elena would have nodded vaguely. Now, her brain ticked: Third conditional. Past hypothetical. Correct. Then she spoke. “I see. But even if we had checked the data, we still might have faced the budget issue. Unless, of course, we had revised the proposal first.” oxford practice grammar upper intermediate

That evening, Elena sat down with a cup of tea and a pencil. The first ten pages weren't grammar explanations; they were a 50-question “find-your-weak-spots” test. She struggled on question 12 (mixed conditionals), completely missed question 28 (inversion after negative adverbials – “Never had she seen…”), and got question 41 wrong twice. By the end, she had a personalized map of her own ignorance. It was humbling, but also strangely freeing. Three weeks later, she took the second diagnostic