英語語法從句講解-在線瀏覽
2024-09-03 14:11本頁面
【正文】 從句的關(guān)聯(lián)詞包括: 從屬連詞that, if, whether。 連接副詞where, when, why, how。t go to the dinner party.I don39。s wellknown that water is indispensable to life.(形式主語)2. 為保持句子平衡, that引導(dǎo)的賓語從句也常用it代替, 而將真正的賓語從句置于主句句末。He made it quite clear that he preferred to live here.3. 從屬連詞whether和if都作“是否…”解, 但if不可引導(dǎo)主語從句和表語從句。I don39。that可省略, what則不可省。同位語從句一般用來解釋說明這些名詞的具體含義和內(nèi)容。(2)關(guān)系副詞:when, where, why。關(guān)系代詞的選用比較復(fù)雜, 它受下列條件的制約:(1)先行詞是指人還是指物。(3)定語從句是限定性的還是非限定性的。The watch which (that) was lost has been found.Here is the meterial which (that) you need.You39。如先行詞為表示時間的名詞, 如time, day等, 則用when。 如先行詞為reason, 則用why。ll never forget the mountain village where (in which) I spent my childhood.I don39?；蛳刃性~前有first,last, only, few, much, some, any, no等修飾時。I39。ve ever been to.2. 定語從句分為限定性定語從句和非限定性定語從句, 限定性定語從句與主句關(guān)系緊密, 為句中不可缺少的部分, 如去掉, 主句意思不完整。在書面語中, 非限定性定語從句一般被逗句隔開。引導(dǎo)非限定性定語從句的關(guān)系詞不可省略。s daughter, whose name is Ann, gave me a sweet smile.3. 先行詞也可以是整個句子。 which在從句中可充當主語、賓語等, as在從句中一般只充當主語。Water consists of hydrogen and oxygen, which (as) is known to all.He was awarded a gold medal, which the whole family considered a great honor.As had been expected, he finished first in decathlon(十項全能) at that Olympic Games.4. 關(guān)系代詞在定語從句中有時也做介詞的賓語。如果介詞被置于從句句末, 則可用that代替which或whom,且that這時可省去。 根據(jù)語義, 狀語從句分為: 時間狀語從句、地點狀語從句、條件狀誤從句、原因狀語從句、 讓步狀語從句、比較狀語從句、目的狀語從句、結(jié)果狀語從句、 方式狀語從句。如狀語從句位于主語前,一般用逗號將其與主句隔開。t do anything about it.[提示]1. when, as, while引導(dǎo)時間狀語從句時都可以表示主句的動作與從句的動作同時發(fā)生, 即同時性。while引導(dǎo)的狀語從句中的動作只能是延續(xù)的動作或狀態(tài)。當表示兩個同時發(fā)展、變化的情況時, 一般用as, 作“隨著…”解。如instantly, imme
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