Looking on the internet deeply has found these results:

Sure is the most popular phrase on the web.

sure i will 1139,000,000 results on the web	Sure 13,230,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Although I am sure I will very soon receive one myself, when I next buy ten gallons of petrol at a Texaco. Sure I will, you and Mother cook very well. I'm almost sure I will be able to convince the director... so they send back to Tokyo. I'm not sure I will come across elephants or crocodiles immediately, but I shall write and tell you the minute I do. I am sure I will be able to count on you in this respect and I thank you for your efforts. Sure I will, but Emily won't. Kotone, I am sure I will win this election. I am almost sure I will do well here.	I said, Sure thing, man. Sure, you were at the barbecue in Hinkley. secondary school certificate and college. Sure, we'll include his name. Sure, now that we're in The Twilight Zone. Sure, 60% chance of recovery... Sure Sure, reasonable doubt for both.

sure i will

1139,000,000 results on the web

Sure

13,230,000,000 results on the web

More popular!

Although I am sure I will very soon receive one myself, when I next buy ten gallons of petrol at a Texaco.
Sure I will, you and Mother cook very well.
I'm almost sure I will be able to convince the director... so they send back to Tokyo.
I'm not sure I will come across elephants or crocodiles immediately, but I shall write and tell you the minute I do.
I am sure I will be able to count on you in this respect and I thank you for your efforts.
Sure I will, but Emily won't.
Kotone, I am sure I will win this election.
I am almost sure I will do well here.