present perfect的例句大全

In Chapter 4, after analyzing the present situation and studying comparatively, some suggestions are submitted to perfect the constitution of arbitral tribunal in our countries.

第四章通过分析现状和比较研究，提出我国有关仲裁庭组成问题的改善方法。

Here have is the auxiliary verb and completed is the main verb; have completed is the present perfect tense.

在这里have是辅助动词而completed是主要动词，have completed是现在完成时。

The two forms most commonly used are the present active participle and the perfect passive participle.

最常使用的两种形式为现在主动分词和完成被动分词.

At present, DSM-IV and ICD-10 are the most perfect diagnostic systems of mental disorders used widespread.

目前, 比较完善并得到广泛应用的心理异常诊断系统是DSM - 和ICD -10.

I know it's a little belated, but we got you the perfect wedding present!

我知道这有点迟, 但是我们给你准备了最棒的结婚礼物!