說明

限制性定語從句中 that 和 which 多數可換；但先行詞被 all、only、序數詞、最高級修飾，或先行詞為不定代詞時，通常只用 that。介詞提前時只能用 which（in which）。

同類條目

• 主謂一致：就近原則 —— Either you or he is right.
• 現在完成時 vs 一般過去時 —— I have lived here for 5 years. / I lived there in 2010.
• 虛擬語氣：if 條件句 —— If I were you, I would take it.
• 非謂語：doing 與 to do —— I enjoy reading. / I want to go.
• 倒裝：否定詞提前 —— Never have I seen such a thing.
• 比較級：as ... as 與 than —— He is as tall as I am. / He is taller than I am.
• 情態動詞表推測 —— It must be true. / It can't be true.
• 被動語態的基本結構 —— The letter was written by Tom.