英语：seem likely 属于seem 还是 seem like?是否表程度更深的好像?

英语：seem likely 属于seem 还是 seem like?是否表程度更深的好像?
It seems you have got a new friend.
It seems like you have got a new friend.
It seems likely you have got a new friend.
seems likely 是存在的
It seems likely that this new centre will be another success story.