In the dark street ,there wasn't a single person to whom she

題目：

In the dark street ,there wasn't a single person to whom she could turn for help
此句成分水什麼樣的

解答：

In the dark street 爲地點狀語,there wasn't a single person to whom she could turn for help爲存現句型,其中a single person 爲存現句的表語,to whom 引導定語從句,to爲turn to這一固定短語中的介詞提前,放在whom之前修飾連詞.