I was not registering there, but if you press UK flag on top of the page, in a middle of it, you`ll see "registration" in top right corner, that is in English.
And registration which will follow is in English as well, do not know what happens next (cause i never completed registration, i do not need e-mail there), but i think it should be in English too.
registration windows looks this way:
Give it one more try ;-)