Looking on the internet deeply has found these results:

you were is the most popular phrase on the web.

you was 1748,000 results on the web	you were 1341,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Actually, you were or you was dont have much differences. But you were can mostly used in if conditionals and wishes . You can use both of them Emotion: wink. Jan 20, 2012 ... Should've known you was trouble from the first kiss. English isn't my mother tongue, but "was trouble" just sounds wrong in my ears. (With Peggy Lee). (PL) If you were to ask me who the sweetest one I knew was. I' d say you was (DM) If you were to ask me who my favorite point of view was They were there. Many were there. The above all correct because they are multiple. Plural. So, therefore, “You was* there”, becomes correct?	I always knew you were different. The police notified us you were acting strangely. Noticed you weren't celebrating my engagement. Rebecca said you were serving drinks. Thought you were busy playing house with Mickey. Things happened while you were gone. Probably before you were wearing Huggies, kid. Times have changed since you were five.

you was

1748,000 results on the web

you were

1341,000,000 results on the web

More popular!

Actually, you were or you was dont have much differences. But you were can mostly used in if conditionals and wishes . You can use both of them Emotion: wink.
Jan 20, 2012 ... Should've known you was trouble from the first kiss. English isn't my mother tongue, but "was trouble" just sounds wrong in my ears.
(With Peggy Lee). (PL) If you were to ask me who the sweetest one I knew was. I' d say you was (DM) If you were to ask me who my favorite point of view was
They were there. Many were there. The above all correct because they are multiple. *Plural. So, therefore, “You was there”, becomes correct?