1、主語(yǔ)從句用法詳細(xì)(例句豐富)一、主題部分的準(zhǔn)則主語(yǔ)子句通常由連詞that和whether、連接代詞或連接副詞、關(guān)系代詞類型what引導(dǎo)。1.that開(kāi)機(jī)That he is still alive is a wonder。他還活著是個(gè)奇跡。That we shall be late is certain。我們肯定會(huì)晚。that he should have ignoreed the working class was natural。他忽視工人階級(jí)是理所當(dāng)然的。that she is still alive is a consoration。你可以放心她還活著。that shebec an a

2、rtist may have been due to her father s influence。她成為畫家似乎受到了她父親的影響。that you are coming to London is the best news I have heard this long time。今后倫敦是我很久以來(lái)聽(tīng)到的最好的消息。that she was chosen made a tremendous stir in her village。她被選中，在她的村子里引起了軒然大波。2.whether bootwhether it will do us harm remains to be seen。再看

3、看對(duì)我們是否有害。whether they would support us was a problem。他們是否支持我們?nèi)匀皇莻€(gè)問(wèn)題。3.連接代詞指南whoever is top from wins the game when two matched players meet。兩個(gè)強(qiáng)者對(duì)抗。whichever(of you)comes in first will receive a prize。誰(shuí)先都可以獲獎(jiǎng)。Whichever you want is yours。哪個(gè)是你的？4.連接副詞指南When we arrive doesnt matter。我不在乎什么時(shí)候到。How it was

4、done was a mystery。這是怎么做到的，是個(gè)謎。how this hapended is not clear to anyone。沒(méi)有人知道這件事是怎么回事。how many people we are to invite is still a question。問(wèn)題是邀請(qǐng)多少人。where I spend my summer is no business of yours。我在哪里度過(guò)暑假不關(guān)你的事。5.關(guān)系代詞類型what準(zhǔn)則What we need is money。我們需要的是錢。What I want to know is this .我想知道的就是這個(gè)。Whats d

5、one is done .事情已經(jīng)確定了。What he says is not important。他說(shuō)的話不重要。what I am telling you is mere impressions。我說(shuō)的只是印象。what make the river more beautful are the lotus plants growing in the water。給河水增色的是水中的荷花。what you need is a good-sized canvas bag。我需要更大的帆布袋。what I am afraid of is their taking him to Portugal

6、。我擔(dān)心的是他們把他帶到了葡萄牙。what struck me was that they have all suffered a lot。給我留下深刻印象的是他們都受了很多苦。二、主題子句和格式主題it有時(shí)為了考慮句子的均衡，通常在主語(yǔ)節(jié)使用形式主語(yǔ)it，并將實(shí)際主語(yǔ)從句移到句子末尾。這分為三種情況。(1)用連接詞that引導(dǎo)的主語(yǔ)，通常用形式主語(yǔ)代替主語(yǔ)：Its a pity that he didnt come。很遺憾沒(méi)來(lái)。it is important that he should know about this。他必須知道這個(gè)事實(shí)。Its vital that we be prese

7、nt。我們參加是很重要的。it was inteded that you be the candidate。你的意圖是讓你成為候選人。it is important that this mission not fail。這個(gè)任務(wù)不失敗很重要。it is essential that a meeting be conened this week。這周營(yíng)業(yè)一次會(huì)很重要。it is appropriate that this tax be abolis。廢除這項(xiàng)稅是恰當(dāng)?shù)?。it s unfair that so many people should lose their jobs .這么多人失業(yè)是不

8、公平的。it s amazing that she should have said nothing about it .她根本沒(méi)說(shuō)那個(gè)。it s unthinkable that they should deny my request .真不敢相信他們拒絕了我的請(qǐng)求。that they should refuse to sign the petition required great courtage。他們拒絕簽署請(qǐng)?jiān)笗?shū)需要很大的勇氣。(2)在用連接代詞(副詞)引導(dǎo)的主語(yǔ)中，可以用形式主語(yǔ)代替主語(yǔ)，也可以在句子開(kāi)頭直接使用主語(yǔ)：whether they would support us wa

9、s a problem。他們是否支持我們?nèi)匀皇莻€(gè)問(wèn)題。it was a problem whether they would supportus。他們是否支持我們?nèi)匀皇莻€(gè)問(wèn)題。it remains to be seen whether it will do us harm or good。那對(duì)我們有利。我得再看一遍。(3)關(guān)系代詞類型what引導(dǎo)的主語(yǔ)，通常把主語(yǔ)從句直接放在句子的開(kāi)頭。例如：What we need is money。我們需要的是錢。What I want to know is this .我想知道的就是這個(gè)。有時(shí)還可以幫助形式主語(yǔ)。例如：It is clear enough what he meant。我很清楚他的意思。(4)如果句子是疑問(wèn)句，則應(yīng)使用形式主語(yǔ)it的結(jié)構(gòu)：is it true that he is the girl s father？他是那個(gè)女孩的父親嗎，是真的嗎？How is it that you are late again？為什么又晚了？(from www.yy )三、連接詞that的省略問(wèn)題主語(yǔ)子句的連詞that有時(shí)可以存儲(chǔ)，有時(shí)不能存儲(chǔ)。原則如下。that引導(dǎo)的主語(yǔ)子句直接到達(dá)句子的開(kāi)頭，that就不能省略；如果That引導(dǎo)的主語(yǔ)在句子末尾，句子的第一部