She insisted me to post this one. or She insisted on posting this one. "She insisted on posting this one" would imply that she is posting it no matter what your opinion is If she is trying to convince you to do it, the correct phrasing would be, "She insisted that I post this one " Some Americans would say "She insisted on me posting this one", but that's not quite grammatical
grammar - English Language Learners Stack Exchange He remembered to post a present to his mother for her sixtieth birthday Why not use ‘posting’ instead of ‘to post’? I think posting is better But the book use ‘to post’, I feel it weird
Post to for_the difference? - English Language Learners Stack Exchange If you post some letters for someone, you're saving them the trouble of posting those letters themselves (letters which they probably wrote themselves; certainly, letters which they are responsible for posting) If you post letters to someone, you hope they will eventually be delivered to that person