A beginner's silly problem...

[yoshiko]

I am unable to knit past the first row because I get a lot of extra yarn between the needles by the end of it. Whenever I try to start the next row, the extra yarn goops everything up. I figure that I'm just not knitting the stitches tight enough, but I can't knit any tighter and keep stitches where they should be/moving when they should be.

Could someone give me some tips, or tell me if something else is wrong? My only resource for learning has been websites, so maybe I'm learning incorrectly or something.

Thanks