Relative Pronouns

Section 11.2.3

Relative Pronouns

Relative pronouns introduce relative clauses. A relative pronoun serves tolink the relative clause to the noun that theclause modifies. Some common relativepronouns are that, who, whoever, andwhich.

Interleukin-12 does not retard blood vessel growth itself. Instead, it causes immune cells to secrete gamma-interferon, asubstance which stimulates the production ofinducible protein-10.

[Which introduces therelative clause that modifies the noun substance].

--Kristin Leutwyler, "An Inside Job," Scientific American(modified)

Choose a relative pronoun that is appropriate for the type ofrelative clause (restrictive or nonrestrictive), the type of noun being replaced orreferred to (person, thing, location, or time), and the role that the replacednoun plays in the relative clause (subject or object).

Be careful about subject-verb agreement with relativepronouns.

## Relative Pronouns ##

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