I just got a used tablet but I don't know the pattern lock how do I get in to my tablet

If you have forgotten the pattern lock then you can use the gmail account that's associated with.

I don't know the gmail account used with it

Sounds like a stolen tablet.

I don't know the gmail account used with it
Its not stolen my little sister bought it for my parents and thought she would be nice and set it up they are bad with technology. But unfortunately Jodie forgot the pattern she set it up with I have the box and everything

Its not stolen my little sister bought it for my parents and thought she would be nice and set it up they are bad with technology. But unfortunately Jodie forgot the pattern she set it up with I have the box and everything