are you 大多是用在形容詞或名詞的問題上
e.g.
are you stressful? 你很緊張嗎? (stressful <- 形容詞)
are you the inspector? 你是驗貨員嗎? (inspector <- 名詞)
are you hungry? 你肚子餓嗎? (hungry <- 形容詞)
do you 大多是用在動詞上
e.g.
are you watching TV? 你在看電視嗎? (watching <- 動詞)
are you running? 你在跑步嗎? (running <- 動詞)