你现在在中国吗 You do in China ; Do you now in China ; in switzerland ; You are now in China

请问你现在在中国吗 What you do in China ; May I ask you now in China

你现在不在中国吗 Do you not in China

你现在还在中国吗 Do you still in China ; You are now still in China

你现在住在中国吗 You are now living in China