Looking on the internet deeply has found these results:

I have been using is the most popular phrase on the web.

their up use of 10 results on the web	I have been using 12,940,000 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.	I used this product until recently without trouble, [but now it won't work anymore.] I have been using this product until recently without trouble. Q. I have been using the title “professor emerita” with the names of retired female professors. Now one of those professors insists that I have confused sex with ... 1 day ago ... I have been using Quicken 2013. I had to have my PC reloaded. How can I reload Quicken 2013? I have a backup of my data. I just need to ... Oct 21, 2010 ... I have been using cocaine. Starting some time in the past, and including today, I use cocaine. I had used cocaine. With my reference point at a ...

their up use of

10 results on the web

I have been using

12,940,000 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.

I used this product until recently without trouble, [but now it won't work anymore.] I have been using this product until recently without trouble.
Q. I have been using the title “professor emerita” with the names of retired female professors. Now one of those professors insists that I have confused sex with ...
1 day ago ... I have been using Quicken 2013. I had to have my PC reloaded. How can I reload Quicken 2013? I have a backup of my data. I just need to ...
Oct 21, 2010 ... I have been using cocaine. Starting some time in the past, and including today, I use cocaine. I had used cocaine. With my reference point at a ...