The bus leaves at 7. My sister is too late to catch it. (My sister is…)
My sister is too late to catch the bus which leaves at 7.
That man’s daughter has an original Picasso painting. (That is…)
That is the man whose daughter has an original Picasso painting.
The chair ________ we bought last week is an antique.
which/that
I study English in that school. (That is the school…)
That is the school where I study English.
