知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 That's Why 'are possibly of you free?'should often be proper. Having said that 'Is both Peter or Paul free?'can be proper, due to the fact both is the other of 'both equally' and consequently the conjugation 'is' might be correct in these kinds of instance. Marion Dey https://sexeslive.com/