There are only 5 vowels in English: a e i o u They are pronounced using the shape of the mouth without using your tongue. There are also a number of videos on youtube that give vowel pronunciation tips (if you don't mind having an American-style accent). Good luck.

a,e,o,u,i

- the A in about - the E in bet - the A in pay - the UR in purple or the IR in bird, usually followed by an [ɹ] - the I in machine - the I in big - the O in toe - the O in cost - the OO in cool - the OO in good - the U in bug *R-colored (rhotic) vowels: - the OR in work - the ER in butter

there are 5 :A I O E U

http://www.uiowa.edu/~acadtech/phonetics/