since
國中/sɪns/
prep.自從
from a past time until now
什麼時候用
since 接時間的「起點」，常搭配完成式；for 接一段「時間長度」；during 接一段期間內。
常見錯誤
- since three years ✗，應該是 for three years。
- since 搭配完成式：I have lived here since 2020.
常見搭配
- since then
- ever since
例句
Since yesterday.
從昨天起。
She has worked here since 2019.
她從 2019 年就在這裡工作。
We haven't met since the wedding.
婚禮後我們就沒見過面。
自己試試看
They have been friends ___ elementary school.
他們從小學就是朋友。