从‘Since 结构,用作时间状语谈起

摘要

一、共识当句子中有 since 引起的时间状语时,谓语动词要用完成时态,但在表示时间长度时可用一般现在时。例如:(1)We’ve been friends ever since we metat school.(2)That was the best film I’ve seensince‘Gone withthe wind’.(3)Until last week I hadn’t seen hersince 1973.(4)It’s a year now since we went