There are videos on youtube that you can subscribe to that often have singing techniques and practice opportunities.
A friend of mine actually uses this website:
She's not very serious about it so I'm not sure how good it is and if it's the thing you are looking for but have a look around and let me know how it goes :)
i don't think someone can learn how to sing.
simple thing. IF YOU GOT IT YOU GOT.
IT IF YOU DONT THEN LEAVE IT ALONE!!