Advanced relative clauses in English B2
Use non-defining clauses, preposition plus whom or which, whose and quantifier relatives to add precise information.
Recognise the main advanced relative clauses patterns in authentic contexts.
Choose a form that accurately expresses attach essential or supplementary information while keeping reference and punctuation clear.
Avoid errors that change time, agency, emphasis or speaker commitment.
Use the structure appropriately in formal description, profiles, reports and academic explanation.
What advanced relative clauses communicates
Use non-defining clauses, preposition plus whom or which, whose and quantifier relatives to add precise information.
The central purpose is to attach essential or supplementary information while keeping reference and punctuation clear. A successful choice therefore preserves the proposition while making the intended relationship, viewpoint or degree of commitment visible to the reader.
How the pattern is built
Use this working formula: noun, relative clause, | preposition + whom/which | quantifier + of whom/which. The formula is a decision path: it identifies the trigger, the clause architecture and the element that carries tense or modality.
The model “The proposal, several parts of which remain unclear, needs revision.” shows the complete pattern in context. Rebuild the sentence from meaning to form instead of translating each word independently.
| Choice | Structure | Example |
|---|---|---|
| Supplementary clause | noun, who/which + clause, | The new director, who joined in May, will lead the review. |
| Formal preposition | preposition + whom/which | The committee to which she reported has been dissolved. |
| Quantifier relative | some/most/none + of whom/which | The proposal, several parts of which remain unclear, needs revision. |
Choose by meaning, not by surface similarity
Neighbouring structures may contain similar words but perform different jobs. Compare the three reference patterns and name the intended effect before completing the sentence.
A reliable answer explains both why the chosen form works and why a plausible alternative would change the meaning, time relation, information focus or level of certainty.
| Meaning | Best route |
|---|---|
| extra information that does not identify the noun | Supplementary clause |
| a formal relative relationship with the preposition fronted | Formal preposition |
| a quantified subset of people or things already identified | Quantifier relative |
Register, discourse and editorial control
This grammar is especially useful in formal description, profiles, reports and academic explanation. Its value comes from helping the reader process a relationship efficiently, not from making the sentence sound artificially complex.
After editing, check recoverability, natural word order and consistency with the surrounding paragraph. If the marked structure creates ambiguity, return to a fuller or more neutral clause.