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.

1.i don't remember the man whom you said you met at the canteen last week.

2. The most beautiful girl whose long hair I like very much lives in the city.

3, The only thing which makes me worried is how to go home.

4.  He was Tom whom I met at the bar yesterday.

5, The children who have much free time then often go swimming on Sundays.

6,  My wife, whom you were speaking to, wants you to come to dinner. 

7. The book which I was reading yesterday was a lovely story.