You have no problem knowing advanced grammar. Your problem is accessing it at speaking speed. When you are in a high-stakes conversation—a job interview, a university seminar, a negotiation—you do not have time to conjugate mentally. You need reflexive accuracy.
Elias gasped. The clarity was overwhelming. He could hear the subtle aspirate of the 'h' in 'have'. He could hear the micro-second of hesitation that indicated the shift in temporal focus. advanced grammar in use audio high quality
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