附屬連接詞有哪些？

從屬連接詞的類型

從屬連接詞包括以下幾個類別：

• 時間關係：when, while, before, after, since, as soon as, until.
• 因果關係：because, since, as.
• 轉折關係：although, though, even though.
• 條件關係：if, unless, as long as.