艾志鸿、姚民生同志: 你们问:本刊去年第4期语法篇《如何理解since引导的时间状语从句》中的观点是否为定论、在考试中应否这样回答。我们答复如下: 1.文中的观点是正确的,也可说是定论,英美人也都这样理解。在考试中也应这样答。条件有两个:一是since后的动词是一般过去时,一是这个动词是延续性动词:否则since后的动词便列否定意义,仍照一般理解。现将你所 Ai Zhihong and Yao Minsheng: You asked: In the fourth issue of the grammar of the Journal last year, whether the viewpoint in the “How to understand the time-adverbial clause of the lead” was a final conclusion and should be answered in the exam. Our reply is as follows: 1. The views in the article are correct, but it can be said that it is a conclusive statement. Both British and American people understand this. This should also be answered in the exam. There are two conditions: First, the verb after since is the general past tense, and one is that the verb is a continuation verb: Otherwise, the verb after since is negative, it is still understood as usual. Now you will