时态

Thus in Latin the nominative murus is distinguished from the genitive muri, dative muro, accusative murum , etc.

一个单独的动词形式例如laudaverunt，与字根的意思一起表达了人、数字和时态的概念，我们用英语做到这个得需三个单词。

A non-finite form of the verb; in English it is used adjectivally and to form compound tenses.

动词的非限定形式；在英语中它被用作形容词并且构成复合时态。

Tom was disappointed that most of the guests had left when he arrived at the party.

它是一个相对的时态，即立足于过去某时，从过去的某一时间看即将发生的事情就要用这一时态。

Had been doing have/has been doing 一般进行完成过去 was/were given was/were being given had been given 现在 am/is/are given am/is/are being given have/has been given /将来 will/shall be given / will/shall have been given /过去将来 should/would be given / should/would have been given

完成进行 2。被动形式/ CET-4 常考的三种时态：过去完成时；将来完成时；完成进行时。时间状语从句当中的时态：一般过去时所有的过去用一般现在时表示现在和将来现在完成时现在完成和将来完成一。非谓语动词一。

Had been doing have/has been doing /一般进行完成过去 was/were given was/were given had been given being 现在 am/is/are given am/is/are being given have/has been given 将来 will/shall be given / will/shall have been given /过去将来 should/would given / should/would have been given be

完成进行 2。被动形式// CET-4 常考的三种时态：过去完成时；将来完成时；完成进行时。时间状语从句当中的时态：一般过去时所有的过去用一般现在时表示现在和将来现在完成时现在完成和将来完成一。非谓语动词一。

We adopted Swales'(1990) CARS model and Nwogu's (1997) 5-step procedure in manually tagging the moves of the RAs in the two corpora and employed Salager-Meyer's (1992) analysis method and Kuo's (1999) method respectively in examining the verb tenses and the first personal pronouns.

我们采用Salager-Meyer的方法和Kuo的方法对研究样本中出现的动词时态和第一人称代词进行频数和分布的统计后，又运用Biber的方法对两个语料库中所有研究样本中动词时态和第一人称代词的频数进行标准化。

Between 2000 and 2004, the RUC won a total of 1,800 projects at different levels

这种时态不一致和时态误用问题还有多处。

From the metaphorical point of view, past tense does not only refer to the past time, but it develops to project to real distance, and further to psychological distance, which reveals the nature of past tense from cognitive perspective.

隐喻在人们的认知过程中扮演重要角色，使英语过去时态的初始意义得到扩张，过去时态从单纯表示过去时间发展到表示现实距离，又

There are two types of participle in English: the past participle and the present participle.

掌握现在完成时态以及不规则动词的过去时态和过去分词。

The performance of the multiple-choice questions was better than the performance of the translation test.

学生在动词时态的判断上表现的比写出动词时态的正确形式来的好。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。