下边是我为大伙儿整理的英语四级专业知识持续形容词与瞬间动词，期待能够为大伙儿提供帮助，一起来学习一下吧。
持续形容词与瞬间动词
1) 用以过去进行时的差别 持续形容词表明工作经验、历经; 瞬间动词表明个人行为的结 果，不可以与表明段的时间状语并用。 He has completed the work.他顺利完成了那项工作中。 (表結果) I've known him since then. 我从那以后就了解他了。(表历经) 2)用以till / until从句的差别 持续形容词用以肯定句，表明"做……直至……" 瞬间动词用以否定句，表明"到……，才……" He didn't come back until ten o'clock. 他到10 点才回家。 He slept until ten o'clock. 他一直睡到10点。 典型性练习题

1. You don't need to describe her. I ___ her several times. A. had metB. have met C. metD. meet 回答B. *题中后句注重对如今的危害，我明白她的样子，你无需叙述。再度，several times告之为不断产生的姿势，因而用现在完成时。
2.---I'm sorry to keep you waiting. ---Oh, not at all. I ___ here only a few minutes. A. have been B. had been C. wasD. will be 回答A. 等候的姿势由以往逐渐，不断到现在，运用现在完成时。