關(guān)系代詞在定語從句中作介詞賓語時(shí)，從句常常由“介詞+關(guān)系代詞”引出。

　　The school (which/that) he once studied in is very famous.

　　The school in which he once studied is very famous. 他曾經(jīng)就讀過的學(xué)校很出名。

　　Tomorrow I'll bring here the magazine (which/that) you asked for.

　　Tomorrow I'll bring here the magazine for which you asked.明天我將把你要的雜志帶來。

　　This is the boy (whom/who/that) I played tennis with yesterday.

　　This is the boy with whom I played tennis yesterday. 這是我昨天跟他打臺(tái)球的男孩。

　　We'll go to hear the famous singer (whom/who/that) we have often talked about.

　　We'll go to hear the famous singer about whom we have often talked. 我們將去聽那位我們經(jīng)常談?wù)摰闹璩已莩?/p>

　　注意：

　　1.含有介詞的短語動(dòng)詞一般不拆開，介詞仍放在短語動(dòng)詞的后面。如：look for, look after, take care of 等。

　　This is the watch (which/that) I am looking for.(正) 這是我正在找的手表。

　　This is the watch for which I am looking .(誤)

　　The babies (whom/who/that) the nurse is looking after are very healthy.(正)那個(gè)保姆照看的小寶寶們都很健康。

　　The babies after whom the nurse is looking are very healthy.(誤)

　　2.若介詞放在關(guān)系代詞前，關(guān)系代詞指人時(shí)只可用whom，不可用who, that;關(guān)系代詞指物時(shí)只可用which，不可用that.關(guān)系代詞是所有格時(shí)用whose.

　　The man with whom you talked just now is my neighbour.(正) 你剛才跟他談話的那個(gè)人是我的鄰居。

　　The man with that / who you talked just now is my neighbour.(誤)

　　The plane in which we flew to Canada was really comfortable.(正)我們?nèi)ゼ幽么笏俗娘w機(jī)實(shí)在很舒服。

　　The plane in that we flew to Canada was really comfortable.(誤)

　　3.“介詞+關(guān)系代詞”前還可有some, any, none, all, both, neither, many, most, each, few等代詞或者數(shù)詞。

　　如：He loves his parents deeply, both of whom are very kind to him.

　　他深深地愛著他的父母，他們倆待他都很好。。

　　In the basket there are quite many apples, some of which have gone bad.

　　籃子里有好些蘋果，有些已經(jīng)壞了。

　　There are forty students in our class in all, most of whom are from big cities.

　　我們班總共有40個(gè)學(xué)生，大多數(shù)來自大城市。

　　Up to now, he has written ten stories, three of which are about country life. 迄今為止，他寫了10部小說，其中3部是關(guān)于農(nóng)村生活的。