ive herd a few rumours stating bethesda hasnt even thought about TESV is this true?

The've certainly http://bethblog.com/index.php/2009/08/17/clarifying-about-next-elder-scrolls-game-mmo-etc/.

There has been no official confirmation or denial. They have said they're working on an undisclosed title, and quite a few people have speculated that this title is TES:V. But they're not going to let any info loose until they're ready.
http://www.gamesas.com/bgsforums/index.php?showtopic=1051564 is all the info we currently have, and all of the speculation based off of it.

Please read and use the "Cumulative Speculation" topic linked above.