Looking on the internet deeply has found these results:

which one you were using is the most popular phrase on the web.

which one you were used 10 results on the web	which one you were using 1195 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	whatever The THEMES on WordPress.com are generally freely available too, but it depends which one you were using. GettingYourGrooveBack. Member Posted 3 years ... try a different one. We could give you better alternate suggestions if we knew which one you were using and, thus, what its capabilities and features are. Please link to the plugin :). one you were using which Birth Control: Which One You Were Using And What That Means Now. You've stopped using birth control, now what? What your method means for your body ... there is a meta title, and (three ?) meta descriptions and (two ?) meta keywords in your site's header.

which one you were used

10 results on the web

which one you were using

1195 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

whatever
The THEMES on WordPress.com are generally freely available too, but it depends which one you were using. GettingYourGrooveBack. Member Posted 3 years ...
try a different one.
We could give you better alternate suggestions if we knew which one you were using and, thus, what its capabilities and features are. Please link to the plugin :).
one you were using
which
Birth Control: Which One You Were Using And What That Means Now. You've stopped using birth control, now what? What your method means for your body ...
there is a meta title, and (three ?) meta descriptions and (two ?) meta keywords in your site's header.