◎ 在下述三種情況下,介詞通常要放在句子的尾部。
① 在由who,what,which等引導的特殊疑問句中。
Whom did he send the letter to?他把信寄給誰了?
Where did he come from?他從哪里來?
② 在不定式短語作定語的句子中。
There is nothing to be afraid of. 沒有什么可怕的東西。
He wants to get a pen to write a note with. 他想找一支鋼筆寫個便條。
Has she found a house to live in?她找到房子住了嗎?
③ 在無關系代詞或以that引導的定語從句中。
Water is something we can't do without. 我們不能沒有水。
He is a man (that)you must be on guard against. 他這個人你必須提防。
比較
Is it the mistake (that)he accused you of?這就是他指責你犯的錯誤嗎?