Looking on the internet deeply has found these results:

I'm sure the is the most popular phrase on the web.

I'm sure that the 123,900,000 results on the web	I'm sure the 142,800,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I'm sure that the driver Can see you to your home. I'm sure that the secretary will feel very reassured. I'm sure that the name had two syllables... Although I'm sure that the opera is the last place in the world he wants to go. I'm sure that the young lady would like to freshen up. I'm sure that the voters would be able to tell the difference. Look, I'm sure that the Hastings are working on her bail. And I'm sure that the Duchess will appreciate that.	And I'm sure the planet will defend itself. I'm sure the RAF would say... I'm sure the judge will be coming soon. I'm sure the carpet is absorbent. Now, my dear, I'm sure the captain... I'm sure the planet will think of something. I'm sure the president would be here if he could. However, I'm sure the Zone can help you.

I'm sure that the

123,900,000 results on the web

I'm sure the

142,800,000 results on the web

More popular!

I'm sure that the driver Can see you to your home.
I'm sure that the secretary will feel very reassured.
I'm sure that the name had two syllables...
Although I'm sure that the opera is the last place in the world he wants to go.
I'm sure that the young lady would like to freshen up.
I'm sure that the voters would be able to tell the difference.
Look, I'm sure that the Hastings are working on her bail.
And I'm sure that the Duchess will appreciate that.