【正确答案】正确答案：The four defining properties of verbs in English are tense, aspect, voice, and mood.(1 point) In English, three tenses are distinguished; past, present and future. Aspect is another common inherent verbal category. It indicates basically if an event, state, process, or action denoted by a verb is completed or in progress. Voice refers to the relationship between the subject and the predicate, including passive and active voice. Mood is also an inherent verbal category. Its function is to describe an event in terms of whether it is necessary, possible, permissible, describable, and the like.(4 points)

【答案解析】解析：考查动词的区别性特征。包括时、体、语态和语气。英语中的时分为过去时、现在时和将来时；体分为完成体和进行体；语态包括主动语态和被动语态；语气则包括陈述语气、祈使语气等。