The girl is happy. She won the race
The girl who won the race is happy.
The people which moved into that house are from Germany.
Change which to who
The meeting was interesting. I went to it. (which)
The meeting to which I went was interesting.
I like the teammate who helped me improve.
Who helped me improve.
The student is from China. He sits next to me.
The student who is from China sits next to me.
Last week I went to New York, when I saw the musical "Cats".
Change when to where
Olga wrote on a topic. She knew nothing about. (which)
Olga wrote on a topic about which she knew nothing.
Anna works in the building that is in the middle of town.
that is in the middle of town.
We are studying sentences. They contain adjective clauses
We are studying sentences that contain adjective clauses.
This is the news article from that I received most of the information for my report.
Change that to which
The man was very kind. I talked to him yesterday.(whom)
The man to whom I talked yesterday was very kind.
My pets chewed up the toy that I bought.
that I bought
Algebra problems contain letters. They stand for unknown numbers
Algebra problems contain letters that stand for unknown numbers.
I loved a book who was about dragons and magic.
Change who to that
I ran into a woman. I had gone to elementary school with her. (who)
I ran into a woman who I had gone to elementary school with.
Did you move to the city that he recommended?
That he recommended
The taxi driver was friendly. He took me to the airport.
The taxi driver who took me to the airport was friendly.
The woman for who I worked moved to another country.
Change who with whom
The candidate did not win the election. I voted for her. (whom)
The candidate for whom I voted did not win the election.
The teachers will choose a scholar who exemplifies grit.
who exemplifies grit