动词现在完成时

• 出 处: Reading and Composition(Junior High)(English)
• 发表日期: 2008年Z1期
• 关键词: 现在完成时 时间状语 leave never yesterday 时间名词 类词 lived Premier 一般过去时

一、现在完成时的概念及构成(1)现在完成时的概念现在完成时表示过去发生的动作对现在造成的影响或结果;或表示过去已经开始,持续到

First, the concept and composition at the time of completion (1) The concept at the time of completion now represents the impact or result of the actions that have taken place in the past; or indicates that the past has begun and continues until