Change the sentences with -ever to no matter, and vice-versa.
1. Wherever she goes, she always takes that dog of hers.
2 If anyone rings, I don't want to speak to them, no matter who it is.
3. No matter what I do, I always seem to do the wrong thing.
4. It'll probably have meat in it, whichever dish you choose. They don't cater for non-meat eaters here.
5. No matter how I do it, that recipe never seems to work.