relative clauses

[ripley]

Hi, I'd like to know if the sentences are ok. Thanks. Rip

1) the man whom I introduced to you yesterday is French

2) the man I introduced to you yesterday is French

3) the plastic bag you put the bottles in has a hole

4) this is the car in which my father won the race

5) this is the car my father won the race in

[Tdol]

They're all fine.