Step two Presentation 语气 语气和时态、语态一样，是动词的一种形式，表明说话者的目的和意图。英语中有四种语气：陈述语气、疑问语气、祈使语气和虚拟语气。 1. 陈述语气 陈述一个事实或提出一种想法的语气。 The weather is looking up. 天气渐渐转好。 Our city has experienced great changes. I don’t know anything about the accident. 2. 疑问语气 用来提出问题或询问情况的语气。 Do you have a camera? How long have you been living here? Which do you prefer, tea or coffee? You are from Italy, aren’t you?