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天和大家來分享的是英語語法知識當(dāng)中的主語從句(Subject Clause)， 主語從句即在主從復(fù)合句中充當(dāng)主語成分的句子。對此還不太了解的，今天可以一起來往下看看。 It is important. That we all should attend the meeting is important. It is important (that) we all should attend the meeting. 主語從句的連詞 1、連詞that(句首不可省略)，whether，if引導(dǎo)的主語從句。 That the earth is round is true. It is true that the earth is round. That you missed such an interesting film is a pity. It is a pity that you missed such an interesting film. That she is still alive is sheer luck. It is sheer luch that she is still alive. It remains unknown whether/if we will go for an outing tomorrow. 注意：whether/if含有“是否”的意思，可以加上“or not”，其語義不變。但如果主語從句位于句首則必語課程，可以讓自己掌握更多的知識，提升英語水平。今天和大家來分享的是英語語法知識當(dāng)中的主語從句(Subject Clause)， 主語從句須用連接詞whether，不用if。 If the meeting will be put off hasn't been decided yet. (X) Whether the meeting will be put off hasn't been decided yet. (√) It is still a question whether/if it is true or not. Whether it is true or not is still a question. 2、連接代詞who，whose，what，which，wh+ever引導(dǎo)的主語從句。 Who will come to teach the students is not known. Whom the watch belongs to is unknown. Whose watch was lost is unknown. Whatever he said wasn't true. 3、連接副詞 where，when，how，why引導(dǎo)的主語從句。 Where the library is to be built has not been decided yet. When we start the work is an important question. How this happened is not clear. Why she was late for school is quite clear now. 注意：主語從句中的連詞不能重疊使用。 That whether we'll go camping tomorrow depends on the weather. (X) Whether we'll go camping tomorrow depends on the weather. (√) 主語從句的語序 主語從句的語序用陳述語序 When will she come is not known.(X) When she will come is not known. (√) What we need is more time. (√) What do we need is more time.(X) 主語從句的時態(tài) 主語從句的時態(tài)不受主句時態(tài)影響和限制。 What caused the accident remains unknown. What he did yesterday will never be known by his mother. It is certain that he will win the match. It is suggested that the work should be done with great care. 主語從句的注意事項 1. 主語從句的謂語一般用單數(shù)形式; When the meeting will be held haven't been known yet.(X) When the meeting will be held hasn't been known yet. (√) When he will come is a puzzle. (√) 2. What引導(dǎo)的主語從句，可根據(jù)表語決定主句動詞的單復(fù)數(shù)形式; What he needs is that book. What he needs are some books. 3. What引導(dǎo)的主語從句一般不可以改為含形式主語的句子，that則可以; What you said yesterday is right. It is right what you said yesterday.(X) That she is still alive is certain. It is certain that she is still alive. (√) 4. 常見用it做形式主語的主語從句 It is known to all that the gunpowder was first invented by the Chinese. It is true that he has made a very important discovery in chemistry. It is important that we all should attend the meeting. It is a pity that we won't be able to go to the south to spend our summer vacation. It is doubtful whether she will be able to come. It is said that he has gone to Shanghai. It is still a mystery what caused the accident. It seems obvious that we can not go on like this. 如果你想選擇線上英語課來進(jìn)行培訓(xùn)，大家可以來網(wǎng)校了解了解相關(guān)的課程和資訊。如果您對英語學(xué)習(xí)感興趣，想要深入學(xué)習(xí)，可以了解滬江網(wǎng)校精品課程，量身定制高效實用的個性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)，掃一掃領(lǐng)200暢學(xué)卡。

語從句是英語語法中的重要部分，它用來作為主句的賓語，起到補(bǔ)充說明、解釋、陳述等作用。正確運(yùn)用賓語從句

能把人造飛船發(fā)射到月球. 　　9. Each/ Every time I was in trouble, he would come and help me out. 　　每次我有困難的時候,他都會來幫我解圍. 　　10. No matter how/However difficult the task is, we will try our best to complete it before the deadline. 無論任務(wù)多么艱巨,我們都將盡力在最后期限之前完成. 　　以上就是為大家整理的雅思考試定語和狀語從句講解的相關(guān)內(nèi)容，希望能夠幫助到大家。大家在備考的時候多看一些雅思方面的文章，多了解需要備考的內(nèi)容，避免遺漏。

定語從句中，關(guān)系代詞或關(guān)系副詞都代替先行詞在從句中充當(dāng)一定的成分，如果該從句

定語從句分為限制性定語和非限制性定語從句，非限制性定語從句主要起補(bǔ)充說明作用，從句與主句之間往往有逗號隔開，獨立存在，不會影響整個句子的意思。 引導(dǎo)的非限制性定語從句 who引導(dǎo)的非限定性定語從句在句中作從句的主語。 eg. Our guide，who was a French Canadian，was an excellent cook. 2. whom引導(dǎo)的非限制性定語從句 關(guān)系代詞whom用于指人，在句中作動詞賓語和介詞賓語，作介詞賓語時，介詞可位于句末。 eg.Peter, whom you met in London, is now back in Paris. 引導(dǎo)的非限制性定語從句 whose是關(guān)系代詞who的所有格形式，在從句中作定語。whose通定語從句分為限制性定語和非限制性定語從句，非限制性定語從句主要起補(bǔ)充說明作用，從句與主句常指人，也可指動物或無生命的事物。 eg.The boy, whose hat is red, studies very hard. 引導(dǎo)的非限制性定語從句 關(guān)系副詞when在非限制性定語從句中作時間狀語，指代主句中表示時間的詞語。 eg.He will come here yesterday, when he will be free. 引導(dǎo)的非限制性定語從句關(guān)系 副詞where在非限制性定語從句中作地點狀語，指代主句中表示地點的詞語。 eg.They went back to London，where was their hometown. 以上就是今天為大家?guī)淼年P(guān)于非限制性定語從句的知識點了，是不是非常豐富呢？學(xué)好從句最重要的就是掌握好引導(dǎo)詞，引導(dǎo)詞雖然數(shù)量較多，但都有規(guī)律可循，所以大家不用著急，一點點的記住就行。

girl in plain clothes, was wonderfully calm in face of danger, was just sixteen years old. A．when B．which C．what D．who 【答案】D 2010年聯(lián)考題 1.（2010吉林市高三第二次市統(tǒng)考） It is morning _____ we have four classes, not afternoon. ?A. when　　　　 B. which　　　　 C. that　　　　 D. why 答案 ：A. when 引導(dǎo)的定語從句 2.（2010年海淀區(qū)三模） Thousands

語語法中，名詞從句和非名詞從句是句子結(jié)構(gòu)中的兩個重要組成部分。本文將深入研究名詞從句和非名詞從句

語中主句和從句的時態(tài)不是非得一樣的，比如只有if引導(dǎo)的條件狀語從句有主將從現(xiàn)和主過從過的要求。其它如賓語從句，主句現(xiàn)在時，從句指在主從復(fù)合句中用作狀語的從句。按照其意義，狀語從句可分為時間狀語從句、地點狀語從句、原因狀語從句、目的狀語從句、結(jié)果狀語從句、條件狀語從句、讓步狀語從句等。狀語從句是高中英語學(xué)習(xí)中的一個語法重點，也是歷年高考重點考查的內(nèi)容之一。學(xué)習(xí)狀語從句主要應(yīng)注意引導(dǎo)狀語從句的從屬連詞的用法與區(qū)別，以及從屬連詞在一定的語言環(huán)境中的意義與用法。 以上就是小編給大家分享的英語語法學(xué)習(xí)內(nèi)容，希望可以給大家在學(xué)習(xí)的時候帶來幫助。 如果您對英語學(xué)習(xí)感興趣，想要深入學(xué)習(xí)，可以了解滬江網(wǎng)校精品課程，量身定制高效實用的個性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)。掃一掃領(lǐng)200暢學(xué)卡

語從句中,可以省略與主句中主語相同的主語

語中主句和從句的時態(tài)不是非得一樣的，比如只有if引導(dǎo)的條件狀語從句有主將從現(xiàn)和主過從過的要求。其它如賓語從句，主句現(xiàn)在時，從句指在主從復(fù)合句中用作狀語的從句。按照其意義，狀語從句可分為時間狀語從句、地點狀語從句、原因狀語從句、目的狀語從句、結(jié)果狀語從句、條件狀語從句、讓步狀語從句等。狀語從句是高中英語學(xué)習(xí)中的一個語法重點，也是歷年高考重點考查的內(nèi)容之一。學(xué)習(xí)狀語從句主要應(yīng)注意引導(dǎo)狀語從句的從屬連詞的用法與區(qū)別，以及從屬連詞在一定的語言環(huán)境中的意義與用法。 以上就是英語語法學(xué)習(xí)內(nèi)容的分享，希望可以給大家學(xué)習(xí)帶來幫助。 如果您對英語學(xué)習(xí)感興趣，想要深入學(xué)習(xí)，可以了解滬江網(wǎng)校精品課程，量身定制高效實用的個性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)。掃一掃領(lǐng)200暢學(xué)卡