Did you smoke all the cigarettes
that I bought yesterday?
The wine bottles that I have seen on the table, did you buy them?
The German poets about whom I wrote an essay are all dead.
The girlfriend of my brother for, which I have bought the watch, comes tomorrow.
His car broke down; therefore,
he could not come.
He fell down and broke a leg, which was a real tragedy.
I like this coffee the origin of which I do not know.
It became clear that the revolution for the success of which he fought all his live was a disaster.
There are many novels of Dostoyewsky and some are great.
The trees of which the apples are fallen down belong to my uncle.