I agree with YorkieMum! It sounds like your pup is spending an awful lot of time in his crate. Also, you don't want to use it for punishment; you want him to think that the crate is the best thing ever!
Here's an excellent article on crate training:
http://www.clickersolutions.com/arti...ining_Info.htm
By the way, there is a tremendous amount of helpful info at the clickersolutions site. You might want to do some browsing around there. I do regularly!
Good luck!