perfective

• 语法术语，指表示动作或状态已经完成的动词形式或体，常用于语言学中描述完成体。

A grammatical term referring to a verb form or aspect that indicates a completed action or state, often used to describe the perfective aspect in linguistics.

1. Perfective aspectC1formal

   A grammatical aspect used to describe an action that is viewed as completed, whole, or finished.

   完成体

   • In Russian, the perfective aspect is often formed by adding a prefix to the verb.
   • The perfective aspect in English is typically expressed using the present perfect tense.
   • Linguists study how the perfective aspect differs from the imperfective aspect across languages.

   同义词aorist

   反义词imperfective

2. Perfective tenseC1formal

   A tense form that indicates a completed action, often used in grammar descriptions.

   完成体

   • The perfective tense in Ancient Greek has specific morphological markers.
   • Some languages use a perfective tense to narrate past events.
   • The perfective tense contrasts with the imperfective tense in aspectual systems.

   同义词perfectperfect tenseperfective aspect

   反义词imperfective