高中語(yǔ)法主語(yǔ)從句-詳解-(4份)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上主語(yǔ)從句Noun clauses as the subject主語(yǔ)從句 如果一個(gè)句子在復(fù)合句中充當(dāng)一個(gè)主語(yǔ), 那么這個(gè)句子就是主語(yǔ)從句。That he finished writing the composition in such a short time surprised us all.What we need are good doctors.Whom we must study for is a question of great importance.1.主語(yǔ)從句的連接詞1).連接詞: that, whether.That he will win is c

2、ertain.Whether hell join us in the discussion is of great importance.2).連接代詞: who, what, which, whom , whose, whoever, whatever, whichever.It is clear who is afraid of having a change in land ownership.What India needs is a law to make land ownership fairer. 3).連接副詞: when, where, why, how, how many,

3、 how much , how long, how soon, how oftenWhen well start tomorrow will be told soon.Where we can buy oxen is something we need to find out.Why he came here is not known.How we can protect the grain from damp needs to be discussed.【連接詞】1. that That the earth moves around the sun is well known.2. whet

4、herWhether he will come or not is not known yet.3. who Who will be sent there has not been decided. 4. whatWhat you need is more practice.5. which Which one is the best is not clear.6. when, where Where he has gone is a question.7. why, howWhy there is gravity is hard to understand. How he can earn

5、a living in Britain remains a big problem.8. whoever、whatever、whichever可引導(dǎo)主語(yǔ)從句。 Whoever comes will be welcome. Whatever he did was right. Whichever of you comes in will receive a prize.【小結(jié)】1. 引導(dǎo)主語(yǔ)從句連詞有that, whether, who, what, whatever等。2. 連詞位于句首不能省略。3. 主語(yǔ)從句大多數(shù)情況下視為第三人稱單數(shù), 但在連接代詞what引導(dǎo)的主語(yǔ)從句后謂語(yǔ)動(dòng)詞的數(shù)要根

6、據(jù)句意而定。為了防止句子頭重腳輕，通常把形式主語(yǔ)it 放在主語(yǔ)位置，真正主語(yǔ)后置。1. It is certain that he will win the match.2. It is true that he has made a very important discovery in chemistry.3. It is very likely that they will hold a meeting.4. It is strange that the man should have stuck to his silly ideas.5. It is a pity that we wo

7、nt be able to go to the south to spend our summer vacation.6. It is still a mystery what caused the accident. 7. It is said that he has gone to Shanghai.8. It seems that he has seen the film.【小結(jié)】1.以that 引出的主語(yǔ)從句,常以形式主語(yǔ)it引導(dǎo), 結(jié)構(gòu)為：It is +形容詞/名詞/某些動(dòng)詞ed + that 從句。2.在有些that從句中要用虛擬語(yǔ)氣 (should +do/should +hav

8、e done)。用it 作形式主語(yǔ)的結(jié)構(gòu)(1) It is 名詞 從句 It is a fact that 事實(shí)是 It is an honor that 非常榮幸(2) It is 形容詞 從句 It is natural that 很自然 It is strange that 奇怪的是 It is common knowledge that 是常識(shí)(3) It 不及物動(dòng)詞 從句 It seems that 似乎 It happened that 碰巧(4) It be+ 過去分詞 從句 It is reported that 據(jù)報(bào)道 It has been proved that 已證實(shí)

9、It is said that 據(jù)說 It appears that 似乎“It” 作形式主語(yǔ)代替主語(yǔ)從句的常見句型舉例Its + adj. + that / wh- clausee.g. Its clear / natural / certain that clauseIts + p.p. + that / wh- clausee.g. Its said / reported / known that clauseIts believed that he will come next week.Its obvious that money doesnt grow on trees.It s

10、+ n. + that / wh- clausee.g. Its a shame / an honour / good news that clauseIts still a question when well have our meeting.It + v. (n. / pron.) that /wh- clausee.g. It made us very happy that she was chosen.It appears that he forgot to sign the letter.whether與if均為“是否”，但下列情況下只用whether ：1. 引導(dǎo)主語(yǔ)從句并在句首

11、 Whether he will come is not clear. 2. 引導(dǎo)表語(yǔ)從句 The question is whether hell come.3. whether從句作介詞賓語(yǔ) Im not sure about whether well win.4. 引導(dǎo)讓步狀語(yǔ)從句時(shí) Whether you like it or not, youll have to do it.【注意事項(xiàng)】1. 主語(yǔ)從句位于句首時(shí)必須由連接詞引導(dǎo)。2. 主語(yǔ)從句后置時(shí)引導(dǎo)詞that可省略。3. 主語(yǔ)從句位于句首時(shí),不能用if 引導(dǎo)。4. 主語(yǔ)從句后置時(shí), 可以用if引導(dǎo)。練一練1 _or not is

12、still uncertain.A.Hes coming B.If he is coming C.That coming D.Whether hes coming2.Its _hell be able to come.A.doubt,whether B.doubtful C.doubt it D.doubtful whether3.It is _that the bridge has existed for more than three centuries.A.appeared B.risen C.said D.born4. _he saw both surprised and fright

13、ened him.A.That B.When C.What D.Which5. _is a pity that he should feel so upset.A.What B.That C.He D.It Use the words below to fill in the blanks1. _ watch was lost is unknown.2. _ you did is right.3. _ we will go for an outing tomorrow remains unknown.4. _ we need is time.5. _ will be our monitor hasnt been decided yet.whether what who whose whatever.那是心與心的交匯，是相視的莞爾一笑，是一杯飲了半盞的酒，沉香在喉，甜潤(rùn)在心。紅塵中，我們會(huì)相遇一些人，一些事，跌跌撞撞里，逐漸懂得了這世界，懂得如何經(jīng)營(yíng)自己的內(nèi)心，使它柔韌，更適應(yīng)這風(fēng)雨征途，而不會(huì)在過往的錯(cuò)失里糾結(jié)懊悔一生。時(shí)光若水，趟過歲月的河，那些舊日情懷，或溫暖或痛楚，總會(huì)在心中烙下深深淺淺的痕。生命是一座時(shí)光驛站，人們?cè)谀抢飦韥砣ト?。一些人若長(zhǎng)亭古道邊的萋萋芳草，淪為泛泛之交；一些人卻像深山斷崖邊的幽蘭，只一株，便會(huì)馨香滿谷