Looking on the internet deeply has found these results:

I am glad that is the most popular phrase on the web.

I am glad to know that 1382,000 results on the web	I am glad that 120,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
But I sure am 100 percent glad to know that. I am concerned about tuberculosis and I am glad to know that the Council is making a major proportion of the funding available to that end, because it could be a serious problem. I am very glad to know that I can count on your support here. I am glad to know my fellows. But I am glad to know this about you. Of course progress towards final adoption depends not just on the Council but also on Parliament and I am glad to know that you are dealing so expeditiously with these two draft regulations. I am glad to know special people. But I am glad to know this about you.	I am glad that a charge of libel has been filed regarding this matter. I am glad that President Barroso mentioned that. I am glad that major political parties agreed to vote in favour of my report. I am glad that the European Community has succeeded in concluding an association agreement with Chile. I am glad that he returned to where he came from. I am glad that this point is made in the report. I am glad that we at least tried. I am glad that it was with you.

I am glad to know that

1382,000 results on the web

I am glad that

120,500,000 results on the web

More popular!

But I sure am 100 percent glad to know that.
I am concerned about tuberculosis and I am glad to know that the Council is making a major proportion of the funding available to that end, because it could be a serious problem.
I am very glad to know that I can count on your support here.
I am glad to know my fellows.
But I am glad to know this about you.
Of course progress towards final adoption depends not just on the Council but also on Parliament and I am glad to know that you are dealing so expeditiously with these two draft regulations.
I am glad to know special people.
But I am glad to know this about you.

I am glad that a charge of libel has been filed regarding this matter.
I am glad that President Barroso mentioned that.
I am glad that major political parties agreed to vote in favour of my report.
I am glad that the European Community has succeeded in concluding an association agreement with Chile.
I am glad that he returned to where he came from.
I am glad that this point is made in the report.
I am glad that we at least tried.
I am glad that it was with you.