LTM

Negative effects of pesticides: past, present and prospects;

农药的负面效应:过去、现状及展望

The Past,Present of Olympic Studies and the Current Characteristics in China;

中国奥林匹克研究的过去、现在及其当代特点

Speak out Africa-American Past, Present and Future;

言说美国黑人的过去、现在和未来

What is history? What can history tell us? In the author s opinion, history is only a form of existence of the "past".

历史是什么 ?历史能告诉我们什么 ?本文认为 ,历史是“过去”的一种存在形式 ;是以经验、知识或传统的形式存在于今人的回忆与思考中的“过去”。

This paper attempts to investigate the uses of the past tense as the non-past tense according to cognitive linguistics,cognitive grammar,functional linguistics as well as the angle of the metaphor cognitive process.

试图根据认知语言学、语法学和系统功能语言学的经验理论,从隐喻认知的角度探讨英语动词过去时的非过去时间用法,并从虚拟和礼貌两个层面论述过去时从时间距离映射到现实距离继而映射到心理距离的语用含义,进一步认识到隐喻认知是一个动态的过程以及它在话语中的信息建构意义。