All of these work in British English with the exception of the last one. You need 'as if' or 'as though' and not just 'as' on its own.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Mickey Mouse 8241Although we've only just met, I feel like I've known you all my life.Ordinary conversational style.
Mickey Mouse 8241Although we've only just met, I feel as if/as though I've known you all my life.The more formal equivalents for "like". Note that "that" is also perfectly acceptable and is used in all styl