在备考英语六级时，语法是必须重点关注的部分，掌握语法规则将显著提升我们的语言运用能力。新东方在线英语六级频道整理了“2025年6月英语六级语法大全：since的四种用法”，大家一起学起来!
2025年6月英语六级语法大全：since的四种用法
1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。
I have been here since 1989.
2) since +一段时间+ ago
I have been here since five months ago.
3) since +从句
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
4) It is +一段时间+ since从句
It is two years since I became a postgraduate student.
以上是新东方在线六级语法频道为考生整理的“2025年6月英语六级语法大全：since的四种用法”相关内容，预祝大家都能取得好成绩!