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定語從句之專題四(完):限制性定語從句與非限制性定語從句(系統(tǒng)講解內(nèi)在原理)
作者:高  偉  文章來源:本站原創(chuàng)  點(diǎn)擊數(shù)  更新時間:2017-07-20  文章錄入:admin  責(zé)任編輯:admin

 

2.兩種定語從句的引導(dǎo)詞不同。非限制性定語從句的引導(dǎo)詞不能替代或省略。

限制性定語從句

非限制性定語從句

關(guān)系代詞可用who(m)/whose/which/that

關(guān)系代詞可用who(m)/whose/which/(that×)

關(guān)系副詞可用when/where/why

關(guān)系副詞可用when/where/(why×)

引導(dǎo)詞有時可以代替。如,

who代替whomthat代替who(m)/which

引導(dǎo)詞不能替代。(為什么that不能引導(dǎo)非限制性定語從句呢?因為that本質(zhì)是替代詞。)

引導(dǎo)詞有時可以省略。

引導(dǎo)詞不能省略。

例句(that不能引導(dǎo)非限制性定語從句)

He failed again, which/(that×) was out of my expectation.

This note was left by Tom, who(that×) was here just now.

First came Mary, who(m)/(that×) few of us had expected.

 

.分割性定語從句

1.什么是分隔性定語從句?即,先行詞+…+定語從句。

一般地,定語從句緊跟在先行詞后邊,即,先行詞+定語從句。有時,為了避免頭重腳輕,把定語從句移到句尾,而導(dǎo)致定語從句不是緊跟在先行詞后邊,即,先行詞+…+定語從句,這種情況叫分隔性定語從句

被哪些結(jié)構(gòu)分隔呢?我們在第一章講過四結(jié)構(gòu):動詞短語,介詞短語,非謂語動詞短語,從句。定語從句被分隔,其實(shí)就是各種結(jié)構(gòu)之間調(diào)整了順序而已。如,

I was the only person in my office that was invited.(被介詞短語分隔)

我是我們辦公室里唯一被邀請的人。

The days will come soon when people have enough to eat and wear.(被謂語分隔)

人們的豐衣足食的日子很快就會到來。

There are no places left on the earth that the foot of man has not trodden.(被非謂語動詞分隔)

 

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