hi guys. I won't say i'm new to guitar i learnt it for 8 months and know playing few songs but they don't sound sweet at all. I don't know if my vocals are not good but my teacher used to tell me that i'll be a good guitarist if i continue practicing then due to my professional life i coudlnt continue moreover my teacher also got into band now, he won MTV rock on. i purchased new yamaha f310 jumbo. But the problem now is that every day starting with same old exercises and some old chords doesn't seem to me that i'm learning. I switch easily F,E, Em, A, Am, G, F bar, Gbar Bm, Bmajor. My learnt few scales but it's getting monotnus. What should i do next so that my skills improve. I also want to play good and want to sing good with it. But that rhythem between vocals and guitar chords seems so difficult to get. I don't know where to change the cord while singing basically, just have a vague idea , even with the songs which are listed here. Is there any way to improve it, if not how monotnus would it go? Any comments would be highly remarkable.