B2 Grammar needed before you sign up for the C1 course:

Fluency in speaking does not necessarily indicate even an intermediate (B2) level of language knowledge! Applicants must know and confidently use B2-level grammar structures in order to take part in the C1 preparation course.

Verb Tenses (all)

Modal auxiliaries (all) /negation / their past tense(s) + negation

Conditionals (first, second, third / mixed conditionals / zero conditional

Other conditional structures (I wish / would rather / had better / unless / providing etc.)

Gerund vs. Infinitive

Passive Voice (all tenses)

Reported speech

Articles / Quantifiers

Reduced clauses

Conjunctions/ Linking words / Linking devices (contrast/reason/goal etc.)