A.Pronouns as Subject
The book was good. I read it.
The book that I read was good.
The meeting _____ I went to was interesting.
that or which
I like the teammate who helped me improve.
Who helped me improve.
It is something like a box which you use to bake a cake.
Oven
The student is from China. He sits next to me.
The student who is from China sits next to me./ The student who sits next to me is from China.
I liked the woman. I met her at the party last night.
I liked the woman who(m) I met at the party last night.
Anna wrote on a topic _____ she knew nothing about.
that or which
Anna works in the building which is in the middle of town.
which is in the middle of town.
It is the day when people celebrate Jesus' birthday.
25 December
We are studying sentences. They contain adjective clauses.
We are studying sentences which contain adjective clauses.
I liked the composition. You wrote it.
I liked the composition which you wrote.
Mr Watson is a history teacher ______ everyone likes.
who(m) or that
My pets chewed up the toy which I bought.
which I bought
It is country which is also a continent.
Australia
The taxi driver was friendly. He took me to the airport.
The taxi driver who took me to the airport was friendly.
The man is standing over there. Ann brought him to the party.
Ann brought the man who is standing over there to the party./ The man who(m) Ann bought to the party is standing over there.
Mike, _____ ancestors came from Ireland, marched in the St. Patrick's Day parade.
whose
The structure which stands on a mountain can be seen for miles.
which stands on a mountain
It is a place which was not built in one day.
Rome
This is the book. The book was written by J.K. Rowling.
This is the book which was written by J.K. Rowling.
The people were very nice. We visited them yesterday.
The people who(m) we visited yesterday were very nice.
Newton, Iowa, is the town _____ Barbara was born.
where
The storm which was accompanied by thunder and lighting lasted an hour.
which was accompanied by thunder and lighting
It is the place where the president of the USA works.
The White House