How to Use "immemorial" with Example Sentences

1. Innovations in learning have been in existence since time immemorial .
2. Since time immemorial , mankind has gazed at the static-like tapestry of the stars hovering above the horizon .
3. Immemorial and beautiful chinese art !
4. Since immemorial time , it has been a goal for human beings to seek social equity .
5. She has been there taking care of me since time immemorial .