Sentence examples for I know is from inspiring English sources

"I know is" is not correct and usable in written English.
To use the phrase, you'll need to change it to one of the following: "I know" "I think" "I am aware" For example: "I know the president will be coming to town next week." "I think he'll be staying at the Marriott Hotel downtown." "I am aware there will be a parade in his honor on Saturday."