I've taken I've got. But when you talk about possessions. For example: I have a blue jacket. Its not that necessary. And don't mix up between abbreviating is to 's And has to 's. She's been to London. → She has been to London. She's beautiful. → She is beautiful. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.