Looking on the internet deeply has found these results:

i thought you don't know me is the most popular phrase on the web.

i thought you didn't know me 14 results on the web	i thought you don't know me 11,160,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I thought you didn't know anything more about the author. I thought you didn't know what happened Mr. K. I didn't... I thought you didn't know who he was. I thought you didn't know Mr. Webb. Artie, I thought you didn't know how that worked. I thought you didn't know when she'd be back. I thought you didn't know what I said about you. Thought you didn't know how to work one of these things.	You don't know women as well as I thought you did. If you don't know that, then you don't know meas well as I thought you did. Turns out you don't know me as well as I thought you did. You don't know Gradski thought the world of you. Dallis? I thought you don't know where he is. I thought you said you don't know anybody around here? I don't know who he's after, but I thought you should know. You don't know your canines as well as I thought you did.

i thought you didn't know me

14 results on the web

i thought you don't know me

11,160,000 results on the web

More popular!

You don't know women as well as I thought you did.
If you don't know that, then you don't know meas well as I thought you did.
Turns out you don't know me as well as I thought you did.
You don't know Gradski thought the world of you.
Dallis? I thought you don't know where he is.
I thought you said you don't know anybody around here?
I don't know who he's after, but I thought you should know.
You don't know your canines as well as I thought you did.