3. We can say:
He’s the actor to whom she was
talking.
OR
He’s the actor whom she was
talking to.
4. We can say:
He’s the actor whom she was talking to.
OR
He’s the actor who she was talking to.
OR
He’s the actor that she was talking to.
OR
He’s the actor she was talking to.
5. We can say:
It’s the studio for which he works.
OR
It’s the studio which he works for.
6. We can say:
It’s the studio which he works
for.
OR
It’s the studio that he works for.
OR
It’s the studio he works for.
7. Using whose:
That’s the director whose movies I
told you about.
That’s the movie whose director I
spoke of.
9. Examples of Quantifiers:
all of, most of, a number
of, some of, a few of,
several of, a couple of,
both of, two of
10. I have many friends, all of whom
are actors.
I have many friends, most of
whom are actors.
I have many friends, a few of
whom are actors.
11. She was in a lot of movies, a
few of which are classics.
She was in a lot of movies, some
of which were successes.
Her son was in two movies, both
of which were terrible.
12. Using whose:
Avatar was directed by James
Cameron, several of whose movies have
made a lot of money.
My favorite movies in the reading are
Babel and Slumdog Millionaire, both of
whose stories take place in poor
countries.