◎ Are you...?用來(lái)詢(xún)問(wèn)、猜測(cè),意為"你是......嗎?",后可接名詞、形容詞、分詞或介詞短語(yǔ)。
Are you free now?你現(xiàn)在有空嗎?
Are you a middle school student?你是一名中學(xué)生嗎?
Are you satisfied with it?你對(duì)它滿意嗎?
你是美國(guó)人嗎?
Are you an American?(唐突,不雅)
Are you from America?(宜用)