（1）關(guān)系詞作主語(yǔ)時(shí)，從句中謂語(yǔ)的數(shù)。

（2）注意區(qū)別定語(yǔ)從句與強(qiáng)調(diào)句。

　?、俣ㄕZ(yǔ)從句中關(guān)系詞作從句成分，復(fù)合句。

　?、趶?qiáng)調(diào)it無(wú)意義，that / who不是引導(dǎo)詞。

　?、蹚?qiáng)調(diào)it is / was和that / who后如果句子意思講得通則是強(qiáng)調(diào)句，講不通則不是。

　　It is the museum that / which we visited last year.(定語(yǔ)從句)

　　It was in the hotel that we stayed last night.（強(qiáng)調(diào)句）

（3）定語(yǔ)從句與同位語(yǔ)從句的區(qū)別。

　?、俣ㄕZ(yǔ)從句引導(dǎo)詞被稱為關(guān)系詞，that充當(dāng)主語(yǔ)、賓語(yǔ)、表語(yǔ)。有時(shí)可省略。

　?、谕徽Z(yǔ)從句引導(dǎo)詞被叫做連詞，that不能充當(dāng)任何成分，不可省。

　　Word came that their army was defeated.(同位語(yǔ))

　　We expressed to them our wish that was the same as their.(定語(yǔ))

（4）關(guān)系詞在從句中省略的情況。

　?、訇P(guān)系詞作賓語(yǔ)，前無(wú)介詞時(shí)。

　　②關(guān)系詞作表語(yǔ)。

（5）限制性定語(yǔ)從句與非限制性定語(yǔ)從句的翻譯。

（6）關(guān)系詞前有介詞或復(fù)雜介詞，關(guān)系詞只能是which和whom。

（7）幾個(gè)特殊的定語(yǔ)從句句型：

　?、貶e is the only one of the students who has got very good marks in the match.（句中one為先行詞）

　　He is one of the students who have got good marks in the match.（句中students為先行詞）

　?、贗s this place the one (that) we visited yesterday?

　　Is this the place(that / which)we visited yesterday ?

　?、跦e stood at the window, from where he could see what was happening.

　?、躀t may rain, in which case the match will be put off.