情境：那天跟一個交貨總是不準時, 而且每次一大堆藉口的廠商又不愉快. 其實全公司只要跟他講過話的人, 都會不愉快. 沒想到第二天老闆開會時, 直接點名我, 不要再讓廠商向他投訴. 但老闆不明講是那家廠商.
中文：我私下問老闆, 是哪一間廠商?英文：I privately asked my boss which supplier it was?
名詞子句≒就是/這是 → which
1)主要子句： I asked my boss which supplier it was? →s+vt+o1+o2 (我給你錢句型)
S：I
Vt：asked
O1：boss
O2：which supplier it was? → 用名詞子句做o2
2)名詞子句： → which supplier it was → s+vi+sc (這是錢句型)
S：it
Vi：was
sc：supplier
which單純做為一個連接詞, 沒有參與主結構. 這些which句子的共同點是用於表達「特定的選擇或範圍」
相同例句, ChatGPT來幫忙：
1. She didn’t know which dress she should wear
她不知道該穿哪件洋裝。
2. The teacher explained which questions were the most important.
老師解釋了哪些問題是最重要的。
3. He wondered which road would take him to the station
他想知道哪條路可以帶他到車站。
4. I asked him which book he had borrowed from the library.
我問他從圖書館借了哪本書。
5. Do you remember which hotel we stayed at last summer?
你還記得我們去年夏天住的是哪間旅館嗎？