The phrase "it amazed me that" is correct and usable in written English. You could use it when you want to express your surprise or disbelief at something. For example: "It amazed me that he managed to finish the marathon in under 3 hours.".
"It amazed me that it would ever have been released".
It amazed me that this music was composed by someone born in 1974.
It amazed me that he could be so good at the bassoon and also know all this other stuff.
"It amazed me that $1 million in Manhattan doesn't get you what you want," he said.
I've been going to CES for almost ten years now, and it amazes me that really, nothing has changed that whole time.
It amazes me that this hasn't been painted to accentuate its beauty.
It amazes me that I am alive.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia