what開頭的定語從句
下面是小編整理的what開頭的定語從句,歡迎閱讀。
什么時候用what引導(dǎo)定語從句
what 不是關(guān)系詞,所以它不能引導(dǎo)定語從句。但值得注意的是:what 有時相當(dāng)于“名詞(先行詞)+關(guān)系代詞”。關(guān)系代詞有主語、賓語、定語之分。一般who做主語或賓語whom作為賓語,whose作為定語(whom,whose不可省略)。關(guān)系代詞在從句中作主語,賓語,定語等,關(guān)系副詞在從句中作地點狀語(where)時間狀語(when),原因狀語(why)。例如:
1、他把一切都給了我。
正:He gave me what he had.
正:He gave me everything that he had.
2、這就是你要的東西。
正:This is what you want.
正:This is the thing that you want.
以上實例告訴,what 有時相當(dāng)于“先行詞+關(guān)系代詞”,同時這也告訴,這樣用的 what 前不能再有先行詞(即what 不能引導(dǎo)定語從句)。
定語從句what和which的區(qū)別
what不可以用在定語從句中,定語從句中關(guān)系代詞用that和which,兩者用法上的`區(qū)別主要為:
1.that可以指人,也可以指物;which只能指物
2.當(dāng)先行詞是不定代詞all, something, anything, everything, none, the one等時,只能用that
如: Is there anything that I can do for you?
3.先行詞前有形容詞的最高修飾時,要用that
如: This is the best film that I have ever seen for years.
4.先行詞前有序數(shù)詞修飾時,要用that
如: This is the fifth book that I have ever written.
5.先行詞前有形容詞only, very, few, little等修飾時,要用that
如: She was the only person that was invited to the palace.
6.先行詞既指人,又指物時,只能用that
7.在非限制性定語從句中,只能用which
如: She made great progress and won a prize, which gave us a surprise.
8.在介詞+關(guān)系代詞引導(dǎo)的定語從句中,必須用which
如: This is the knife with which John hurt somebody.
9.當(dāng)先行詞本身是that的時候,要用which
如: The predicate is that which is said of the subject.
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