Relative clauses in discourse in English C1
Use sentential which, nominal relatives and complex preposition relatives to connect evaluation and reference across clauses.
Recognise the main relative clauses in discourse patterns in authentic contexts.
Choose a form that accurately expresses comment on a whole proposition or package an unspecified referent as a clause.
Avoid errors that change time, agency, emphasis or speaker commitment.
Use the structure appropriately in analytical writing, narrative commentary and formal explanation.
What relative clauses in discourse communicates
Use sentential which, nominal relatives and complex preposition relatives to connect evaluation and reference across clauses.
The central purpose is to comment on a whole proposition or package an unspecified referent as a clause. 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: clause, which + comment | what/where/how + clause | prep + which/whom. The formula is a decision path: it identifies the trigger, the clause architecture and the element that carries tense or modality.
The model “The deadline was extended, which gave the team time to retest.” shows the complete pattern in context. Rebuild the sentence from meaning to form instead of translating each word independently.
| Choice | Structure | Example |
|---|---|---|
| Sentential relative | clause, which + comment | The deadline was extended, which gave the team time to retest. |
| Nominal relative | what/where/how + clause | What the review revealed was a failure of oversight. |
| Complex preposition relative | preposition phrase + which/whom | The principles on the basis of which the decision was made remain unclear. |
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 |
|---|---|
| a comment on the entire preceding proposition | Sentential relative |
| an unspecified thing or idea functioning as a noun phrase | Nominal relative |
| a formal relationship expressed by a multiword preposition | Complex preposition relative |
Register, discourse and editorial control
This grammar is especially useful in analytical writing, narrative commentary and formal 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.