To hit the C1 mark, you need to master advanced grammatical structures. Use Lucy's free grammar playlists to study:

If you are interested in a more structured, paid approach, you can explore the Everyday English Courses - English With Lucy which range from B1 to C1 levels, covering pronunciation, vocabulary, and grammar in a comprehensive system. If you'd like, I can: List for C1 grammar versus vocabulary. Provide a study plan to use her free content over 30 days.

Moving from B2 to C1 requires shifting focus from basic grammar rules to advanced vocabulary, idioms, subtle pronunciation shifts, and natural sentence structures. Mapping Out "English with Lucy" Free C1 Resources

Find Lucy’s videos on inversions, advanced conditionals, and subjunctive mood. Write a short essay or a journal entry incorporating at least five of these advanced structures. Week 4: Real-World Application & Idioms Goal: Understand humor, sarcasm, and implicit meaning.