Looking on the internet deeply has found these results:

I'm not sure is the most popular phrase on the web.

Not sure if he will 117,900 results on the web	I'm not sure 13,040,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Feb 16, 2016 ... Jermaine Kearse says his agent's been talking to Seahawks, yet �not sure� if he will stay or go as free agent. The Lakewood native was back in�... Mar 30, 2016 ... Boston Celtics' Jae Crowder gives thumbs up after practice, not sure if he will play against Portland Trail Blazers. Jae Crowder. Boston Celtics�... 1 day ago ... Chandler Parsons not sure if he will opt out of Mavericks contract. The forward can opt out of deal by July 1. Parsons has had problems with�... Pau Gasol not sure if he will be back with Bulls next season. April 8, 2016. by Larry Brown. 0. 0. 0. Pau Gasol once seemed to be happy being with the Chicago �...	I'm not sure why I tried to hide it. I'm not sure why I called. I'm not sure flavored salt works the same. Actually, I'm not sure when. I'm not sure we're accomplishing anything. I'm not sure if I understand. I'm not sure the change in you is entirely attractive. I'm not sure Meredith's a grand gesture girl.

Not sure if he will

117,900 results on the web

I'm not sure

13,040,000,000 results on the web

More popular!

Feb 16, 2016 ... Jermaine Kearse says his agent's been talking to Seahawks, yet �not sure� if he will stay or go as free agent. The Lakewood native was back in�...
Mar 30, 2016 ... Boston Celtics' Jae Crowder gives thumbs up after practice, not sure if he will play against Portland Trail Blazers. Jae Crowder. Boston Celtics�...
1 day ago ... Chandler Parsons not sure if he will opt out of Mavericks contract. The forward can opt out of deal by July 1. Parsons has had problems with�...
Pau Gasol not sure if he will be back with Bulls next season. April 8, 2016. by Larry Brown. 0. 0. 0. Pau Gasol once seemed to be happy being with the Chicago �...