You can use the phrase "I am confident to" in written English. You can use it to express your confidence in a certain situation or action. For example, you could say "I am confident to take on this project and see it through to completion.".
But now I am confident to say that the downfall of the regime is an inevitable result of what has started".
"I am confident to say that I believe there is a link between rural crime and hare coursing," he said.
We didn't, we shouldn't, and I'm confident to say that in the future we won't".
I found I was confident to take the world on my own.
But when I was confident to the point of comedic arrogance, the crowd was super on board with me too.
But I found out how important it is to express myself, and now I am confident enough to speak out".
I close my eyes and imagine that I am confident enough to ask for help.
I love the desktop app, it’s always running on my Mac. Ludwig is the best English buddy, it answers my 100 queries per day and stays cool.
Cristina Valenza
Retail Lead Linguist @ Apple Inc.