a. The boy whom you saw sitting next to me yesterday is going to travel with me

b. My brother john whom you say sitting next to me yesterday is going to travel 

c. She whom they had been offered to was thinking about the two jobs 

d. He was smoking a cigarette which was forbidden there

e. She didn't see the man who had stolen her bicycle

f. The boy who you see sitting over there is my best friend

g. The gentleman whose car is a jaguar must be rich

h. That old gentleman whose car is a ferrari must be rich

i. The well-known politician who has been to paris in a secret has just returned

j. Thier house which could be seen from a distance was completely ruined

k. I think it was your sister julie who was responsible for all that gossip