關(guān)鍵詞: 全國招教
從句是英語學(xué)習(xí)中一種非常常見的句型,在教師招聘考試也是作為重點(diǎn)考點(diǎn)之一,今天小編就給大家總結(jié)一下從句的相關(guān)知識(shí)。
1.名詞性從句
主要包括主語從句、賓語從句、表語從句和同位語從句。一般由that 引起,也可由who, what, when, why, which, whom, whether, how 引起。
主語從句很多情況下都可以放到句子后面,而用代詞it作形式上的主語。
由名詞性關(guān)系代詞whatever, whoever, whichever 等引起的賓語從句。
whether and if 都能引導(dǎo)從句, 但用法有所不同。當(dāng)主語從句直接位于句首時(shí),應(yīng)用whether,而不用if。 Whether 后能接or not, 但if 不能。
Whether he will come or not is not known.
在名詞reason后的表語從句須用that引導(dǎo), 不可誤用 because。
The reason why he is often late for class is that he has the bad habit of getting up late in the morning.
2.定語從句
引導(dǎo)定語從句的關(guān)系詞有who, whom, whose, that, when, wher, why and which。 在非限制定語從句中, 只可用which, who, whose, wher , when, 如果指代前面整個(gè)句子, 多用which。
當(dāng)引導(dǎo)定語從句的先行詞前有all, any, no, little, much, very first 等詞, 或先行詞前為形容詞高級(jí)所修飾時(shí),或先行詞為all, anything, nothing, something, everything 時(shí),從句的引導(dǎo)詞只能用that。
as 可做引導(dǎo)詞引導(dǎo)定語從句, 多和such, the same 連用。as引導(dǎo)的定語從句也可修飾整個(gè)句子, 既可放在先行詞后,也可放在句子開頭。
介詞+which/whom/whose從句。
代/名+介詞+which 從句。
3.狀語從句
修飾主句中的動(dòng)詞, 形容詞和副詞, 通常有從屬連詞引導(dǎo), 按其意義和作用可分為時(shí)間、地點(diǎn)、條件、原因、讓步、目的、結(jié)果、方式、比較等。
時(shí)間狀語從句:
(1) 常見連詞有 after, as, before, once, since, till, (not)until, when, whenever(no matter when), while, as long as, as soon as...
(2) no sooner...than, hardly(scarcely, barely)...when,剛做……就……
(3) 還有 immediately, directly, instantly, the moment, the minute, the instant, the second, every time...
地點(diǎn)狀語從句: 一般用wher或 wherver 引導(dǎo)。
條件狀語從句:if, unless, so long as, provided that, supposing that, on condition that, in the event that, in case that...
原因狀語從句: 從屬連詞有because, as ,since, for, now, that, in that, seeing that, considering that(鑒于,由于)。
讓步狀語從句:
(1)even if, though, even though, while(盡管),no matter what/how/which, however, whatever, whichever, however...
(2) 由as 引起的讓步從句, 語氣較強(qiáng)烈,被強(qiáng)調(diào)的詞須放在句首。
(3) whether...or...,不管……或……
結(jié)果狀語從句: so that, so...that, such...that。
目的狀語從句: so that, in order that, for fear that, in case。
方式狀語從句: as, just as, as if 如同……一樣。
比較狀語從句:
(1) as...as, not so/as...as
(2) 比較級(jí)+than, so much/a lot more than
(3) no more...than, less...than
(4) the more...the more
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