HELP PLEASE!!!!!!!!!!!!

i have been sitting here for hours trying to find a way to duplicate my previous frame to the next and drawing on the new one without making it edit the first one!!! and i tried to use other advice on this page but i have no idea wit they are talking about! and no CTRL+B or anything like that would help either! please help!!!

Watch this video:

select your Drawing on the first frame with the the selection tool, right click your Drawing and select Copy Drawing Object, to advance to the next frame click G, click control V to Paste your Drawing, you can do this as often as you like and Edit each Drawing that was pasted, honestly it’s best to just Draw each Drawing individually unless you are trying to make a very simple animation using this technique