【正文】 r America． Our teacher told us that the earth runs around the sun, believe, imagine, suppose等等動詞引起的否定性賓語從句中，要把上述主句中的動詞變?yōu)榉穸ㄊ?。此外，whether與if 在作“是否”的意思講時在下列情況下一般只能用whether，不用if：；；；“or not”時；Whether there is life on the moon is an interesting 。I want to know what he has told 。He found(that)he lost himself in the forest and that he had no way to dicide the right ，而他又無法確定正確的方向。常用句型如下：（1）It + be + 名詞 + that從句（2）It + be + 形容詞 + that從句（3）It + be + 動詞的過去分詞 + that從句（4）It + 不及物動詞 + that從句 It is a pity(a shame, no wonder, etc.)that?It is necessary(important, natural, strange, etc.)that ? It is said(reported, believed, known, etc.)that? It does not matter(seems,appears etc)? 名詞句用作賓語的從句叫賓語從句。It is known to us how he became a 。引導(dǎo)名詞性從句的連接詞可分為三類：連接詞：that, whether, if（不充當(dāng)從句的任何成分）連接代詞：what, whatever, who, whoever, whom, whose, ：when, where, how, why 作句子主語的從句叫主語從句。 she did it how did she do did she do it she did it is _____ we decided to put the discussion ’s _____ I lived when I was ten years which where suggestion is _____ we should send a few rades to help that where idea _____ all people are selfish is heard the news _____ our team had fact _____ he hadn’t said anything surprised us have no idea _____ she will be when must keep in mind the fact _____ China is still a developing have no idea at all he has gone did he go has he gone place he has gone第二篇：名詞性從句講解名詞性從句講解在復(fù)合句中起名詞作用的從句叫做名詞性從句。what。what。s a great pity _____ we won’t be able to finish the task on happened _____ I wasn39。 t been decided was said here must be kept thing is still a question _____ we shall have our sports 39。試比較下面兩個例句:I had no idea that you were here．（that引導(dǎo)同位語從句，不能省略）Have you got the idea（that）this book gives you（that引導(dǎo)定語從句，作賓語，可以省略）名詞性從句專項練習(xí)一、判斷下列各句哪句含有名詞性從句，并指出是什么從句： is no longer what it used to truth that the earth turn around the sun is known to was snowing when he arrived at the he persuaded the manager to change the plan is interesting to us news that they had won the game soon spread over the whole news that you told me yesterday was really is where Lu Xun used to spoke as if he understood what he was talking you remember the teacher who taught us English at middle school? wonder why she refused my 單項選擇 you see _____ I mean? B./ me_____ is on your must stick to _____ we have agreed C./ me see can I repair the radio I can repair the radio can repair the radio can I repair the radio in mind the teacher said did the teacher say did the teacher say the teacher said you advise me _____? book should I read first book should I read first book 1 should read first book I should read first was criticized for had done it he had done had he done he had done it you kindly tell me _____? can I get to the Beijing Railway Station I can get to the Beijing Railway Station can I get to the Beijing Railway Station can I get to the Beijing Railway Station was very much impressed by had she seen in China she had seen in China she had seen in China had she seen in China took it for granted ___ they were not ing were they not ing were ing not they not coining really don39。例如：I insist that she(should)do her work 。whether 可與不定式連用。①賓語從句是否定句時，只用if，不用whether。引導(dǎo)賓語從句的連詞that一般可省略。主語從句后的謂語動詞一般用單數(shù)形式。連接代詞與連接副詞在從句充當(dāng)句子成分，（二）主語從句主語從句在復(fù)合句作主語。有詞義，在從句中擔(dān)任成分，作狀語。因此，名詞性從句廳分為主語從句、表語從句、賓語從句和同位從句。（一）引導(dǎo)名詞性從句的連接詞連接代詞：who, whose, whom, what, which。連接詞：that, whether, if, as if。 will go is not 、用it作形式主語，主語從句放在句末。常用句型如下：（1）It + be + 名詞 + that從句It is mon knowledge that? ??是常識It is a surprise that? 令人驚奇的是??It is a fact that? 事實是??（2）It + be + 形容詞 + that從句It is necessary that? 有必要??It is important that? 重要的是??It is obvious that? 很明顯??（3）It + be + 動詞的過去分詞 + that從句It is believed that? 人們相信??It is known to all that? 眾所周知??It has been decided that? 已決定??（4）It + 不及物動詞 + that 從句 It appears that? 似乎??It happens that? 碰巧??It occurred to me that? 我突然想起??另注意在主語從句中用來表示驚奇、不相信、惋惜、理應(yīng)如此等語氣時，謂語動詞要用虛擬語氣“(should)+do”，常用的句型有：It is necessary(important, natural, strange, etc.)that ?It is suggested(requested, proposed, desired, etc.)that?（三）表語從句表語從句在復(fù)合句中作表語，位于系動詞之后。 hope(that)everything is all 、介詞之后的賓語從句，不可用which或if連接，要分別用what或 whether。 wonder if it doesn’t rain.②用if 會引起誤解，就要用whether。whether也可引導(dǎo)主語從句、表語從句、同位語從句，還可引導(dǎo)讓步狀語從句，以上均不能換成if。The mander ordered that troops(should)set off at 。t know _____ should do next should I do next I should do next I should do next 39。m going she will go is up to her to or not or not is strange _____ she have left without saying a is very clear _____ our policy is a correct Mr Zhang said is quite has been decided _____ he will be sent doesn39。t there that you have done might do harm to other things leaves the room last ought to turn oft the person the 2000 Olympic Games won39。what。that。它包括主語從句、賓語從句、表語從句和同位語從句。主語從句通常由從屬連詞that，whether，if和連接代詞what，who