RELATIVE CLAUSES

Relative clauses are usually found after a noun or a noun phrase. like adjetive, they describe or give information about the person or thing being talked or written about.

nonrestrictive relative clauses
We use nonrestrictive relative clauses to give extra, nonessential information about the person or thing we are talking about. we can also comment on the whole main clause.we always begin a nonrestrictive relative clause with a relative clause with a relative pronoun and we separate it from the main clause with commas.

He´s going out with julie, who I can´t stand.
(extra information about julie)
he´s going out with julie, which I can´t stand
(comment on the whole main clause)
he´s going out with julie, , whose brother is my boss.
(extra information about julie)

Pronouns for nonrestrictive clausses:
Person thing
Subject who which
Object who(whom) which
Possessive whose whose

Restrictive relative clauses
we use restrictive clauses to state exactly, which person or thing you are talking about.
when the relative pronoun is the subject of the relative clause, we have to use who, that or which.
I like friends who never let me down.
I want a bank account that never runs out.

when the relative pronoun is the object of the relative clause, we can omit who. that, or which.
he has ajob (that/which) he is realy interested in.
she has a boyfrien (who) hshe is realy in love of with.

we can never omit whose.
that´s the man whose dog bit my son
john´s the boy whose mom I met last week.

when the relative pronoun is the object of the relative, clause, we don´t need another object pronoun.
she got a new car that she`s very proud of.
(NOT...PROUD OF IT)
he´s the man whose briefcase I took by mistake.
(not...whose briefcase I took it.)

Pronouns for restrictive relative clauses:
person thing
subject who/that that/which
object that/who that/who
possessive whose whose