1. I don't remember the man. You said you met him at the canteen last week.
->I don't remember the man whom you said you met at the canteen last week.
2. The most beautiful girl lives in the city. I like her long hair very much.
->The most beautiful girl whose long hair I like very much lives in the city.
3, The only thing is how to go home. It makes me worried.
->The only thing which makes me worried is how to go home.
4. He was Tom. I met him at the bar yesterday
-> He was Tom whom I met at the bar yesterday.
5, The children often go swimming on Sundays. They have much free time then
->The children who have much free time then often go swimming on Sundays.
6, My wife wants you to come to dinner. You were speaking to my wife.
-> My wife, whom you were speaking to, wants you to come to dinner.
7. The book was a lovely story I was reading it yesterday.
->The book which I was reading yesterday was a lovely story.