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句也常用it代替, 而將真正的賓語從句置于主句句末。 連接副詞where, when, why, how。從 句 從句按其在主句中的句法功能可分為三類: 即名詞性從句、形容詞性從句(即定語從句)和副詞性從句(即狀語從句)。其中, 從屬連詞只起連接作用, 在從句中不充當任何句法成分,而連接代詞和連接副詞既起連接作用, 在從句中又充當一定的成分.That Owen should have married his cousin is not at all surprising.The fact is that he didn39。這常常出現(xiàn)在主句有形容詞或分詞作賓語補足語的情況下。t know whether (if) she is at home.Whether she es or not makes no difference.4. that和what引導(dǎo)名詞性從句的區(qū)別: that在從句中不充當成分,而what在從句中充當一定的成分, 如主語、表語、賓語等。We are familiar with the idea that all matter consists of atoms.The news that we are invited to the conference is very encouraging.二、定語從句引導(dǎo)定語從句的關(guān)聯(lián)詞包括:(1)關(guān)系代詞:that, which, whose, who, whom, as。(2)關(guān)系代詞在從句中的句法功能。指物主語 who which that賓語 whom which that定語 whosere the only one whose advice he might listen to.關(guān)系副詞的選用相對來說較簡單。I39?;蛳刃性~前有形容詞最高級修時, 一般只用that而不用which來引導(dǎo)定語從句。非限定性定語從句與主句關(guān)系松散, 如去掉, 主句內(nèi)容仍完整。His speech, which bored everyone, went on and on.The general39。which與as引導(dǎo)此類定語從句的區(qū)別在于: which只能置于句中或句末, 而as的位置比較靈活, 可置于句中、句末, 又可置于句首。This is the ring on which she spent 1,000 dollars.One of my colleagues whom (that) you are familiar with will e today.三、狀語從句在復(fù)合句中, 起狀語作用的從句稱作狀語從句。(一)時間狀語從句When you cross a main road, you must be very careful.Until we learn the facts, we can39。當主句和從句中的動作均為延續(xù)動作時, 一般用while, 而不用when或as。Immediately he arrived, he started describing us what had happened.The day he returned home, his grandpa was alrady dead.(二)條件狀語從句引導(dǎo)條件狀語從句的從屬連詞有: if, unless, as (so) lo