Rewrite each of the sentences below in such a way that it means exactly the same as the one given before it

VII- Rewrite each of the sentences below in such a way that it means exactly the same as the one given before it
37) Finish your homework or you can't go out with your friend
-> If...........
38) It took me 4 hours to read the first chapter of the book
->I ...........
39) Snowboarding is more dangerous than tennis
-> Tennis............
40) It's not worth getting into a fight over something as trivial as a parking spot
-> There is no reason...............