1) English present perfect
英语现在完成体
1.
By combining theories and experiment, this thesis compares and analyzes the features in the process of learning English present perfect by both Chinese Han students and Chinese ethnic Korean students.
本文通过理论和实验相结合的方法,对比分析单、双语人学习英语现在完成体的特征。
3) the present perfect
现在完成体
1.
This paper analyzes the relationship between the English simple past tense and the present perfect and discusses the influence of bounded, unbounded verbs and time adverbials.
本文分析了英语的一般过去时和现在完成体的关系 ,同时讨论了有界动词 (boundedverb)、无界动词 (unbound edverb)和时间状语对这二者的影响 ,在此基础上 ,指出了当今在时态和体的教学中存在的问题并且探讨了解决的方法。
4) present perfect construction
现在完成体构式
1.
In Langacker s system,the present perfect construction and the present perfective process are two different notions.
在Langacker的体系中,现在完成体构式与现在完成过程是不同的两个概念。
5) present perfect tense
现在完成时
1.
Based on real linguistic data,the paper clarifies the diminishing path of present perfect tense inthe Shanghai dialect,which is mainly focused on its historical stratum overlap.
本文以现实的语料,说明上海方言中一种语法形式——现在完成时态在历史层次覆盖意义上的具体消亡过程,及其在被替换过程中的种种连续过渡现象,并讨论它的理论意义。
2.
As one of the most important and confusing grammatical tenses in high-school English,present perfect tense brings about much perplexity to both teachers and students.
现在完成时态是中学英语语法中的重点和难点,经常给师生带来困惑。
6) present perfect
现在完成时
1.
The present perfect has been important and difficult in English grammar because the system of tense/aspect is totally different from that in Chinese.
现在完成时历来是语法中的重点和难点。
补充资料：外贸英语－－货物保险英语表达
F.P.A. stands for "Free from Particular Average".FPA代表平安险。 W.P.A. stands for "With Particular Average".WPA代表水渍险。 insurance free of (from) particular average (FPA). 平安险（单独海损不赔） insurance with particular average (WPA), basic risks. insurance against all risks. 综合险，应保一切险 risk of breakage 破碎险 risk of clashing 碰损险 risk of rust 生锈险 risk of hook damage 钩损险 risk of contamination (tainting) 污染险 insurance against total loss only (TLO) 全损险 risk of deterioration 变质险 risk of packing breakage 包装破裂险 risk of inherent vice 内在缺陷险 risk of normal loss (natural loss)? 途耗或自然损耗险 risk of spontaneous combustion 自然险 risk of contingent import duty 进口关税险 insurance against war risk 战争险 Air Transportation Cargo War Risk 航空运输战争险 overland Transportation Insurance War Risk 陆上运输战争险 insurance against strike, riot and civil commotion (SRCC) 罢工，暴动，民变险 insurance against extraneous risks, insurance against additional risks 附加险 risk of theft, pilferage and nondelivery (TRND) 盗窃提货不着险 risk of fresh and/of rain water damage(wetting) 淡水雨淋险 risk of leakage 渗漏险 risk of shortage in weight/quantity 短量险 risk of sweating and/or heating 受潮受热险 risk of bad odour(change of flavour) 恶味险，变味险 risk of mould 发霉险 on deck risk 舱面险
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