Extensions
What Is It?
Extensions refers to advanced noun, pronoun, and quantifier patterns that refine reference and amount.
C1-C2 reference topic in Nouns, Pronouns, and Quantifiers.
Why Use It?
- Handle complex reference chains.
- Use partitives and quantifier phrases.
- Avoid ambiguity in dense prose.
Formation and Patterns
| Use | Pattern | Example |
|---|---|---|
| Partitive | a number of / the majority of + noun | A number of students replied. |
| Generic reference | one/you/they + verb | One should check the source. |
| Pronoun reference | this/that/which + clause reference | The deadline changed, which surprised us. |
Common Mistakes
- Using this without a clear noun after a complex sentence.
- Mismatching agreement after quantifier phrases.
- Overusing one in informal writing.
Exceptions & Nuances
- Agreement can follow grammar or meaning: a number of students are; the number of students is.