as引導(dǎo)限制性定語(yǔ)從句
限制性定語(yǔ)從句是英語(yǔ)語(yǔ)法中從句的一種,是定語(yǔ)從句的分支之一。限定性定語(yǔ)從句表現(xiàn)為先行詞在意義上是不可缺少的定語(yǔ),若省略,所修飾主句的內(nèi)容就不完整或失去意義,和主句的關(guān)系十分密切,寫時(shí)不可用逗號(hào)分開。下面是小編為大家收集的as引導(dǎo)限制性定語(yǔ)從句,歡迎閱讀,希望大家能夠喜歡。
as引導(dǎo)限制性定語(yǔ)從句 篇1
一、相同點(diǎn)
兩者引導(dǎo)非限制性定語(yǔ)從句時(shí),可指代主句中的部分或整個(gè)句子的內(nèi)容,在從句中做主語(yǔ),賓語(yǔ)或表語(yǔ),位于主句之后有時(shí)可互換。
The meeting was put off, as /which was exactly what we wanted.
He was a doctor, as/which I knew from his manner.
二、不同點(diǎn)
1. as可以放在主句前后,也可插入主句之中;而which引導(dǎo)的非限制性從句只能位于主句之后。
As is known to all, fish can’t live without water.
Air, as we know, is gas.
2.在非限制性從句中,which后的be動(dòng)詞不可省;as而后的be動(dòng)詞可以省略。
She told me she won the match, which was a lie.
The material is elastic, as (was) shown in the figure.
3. which在非限制性定語(yǔ)從句做主語(yǔ)時(shí)可用各類動(dòng)詞做謂語(yǔ);而as做主語(yǔ)時(shí),謂語(yǔ)常用系動(dòng)詞,如be, seem, become等,一般不用其他行為動(dòng)詞。
He saw the girl, which delighted him.
He didn’t say anything at the meeting , as/which seemed very strange.
4. as常用“正如”含義,常用的結(jié)構(gòu)有as we know(眾所周知);as often happens(正如常發(fā)生的那樣);as is often the case(情況常常如此); as we all can see(正如我們看到的); beannounced/expected/known/imagined/mentioned/said/shown/reported等。這些結(jié)構(gòu)常放句首,偶爾也可以放句中或句末。
As is known to all, China is a developing country.
Kate was late for school, as often happened.
5. 在非限制性定語(yǔ)從句中which指代主句中某一個(gè)單詞時(shí),as不可以。
My brother enjoyed playing basketball, which he really plays well.
Beijing, which he was born in, is our capital.
6. “介詞+關(guān)系代詞(介賓代物)”中關(guān)系代詞只能用which。
The Travel Agency, with which our company has been dealing for several years, has opened for new branches.
Air is a mixture of gases, of which oxygen forms 21 percent.
7. 從句中的謂語(yǔ)動(dòng)詞是否定形式時(shí),常用which。
He can write a letter in English, which I can not.
Metal will bear beating with a hammer, which a stone will not
8.在非限制性定語(yǔ)從句關(guān)系代詞代表前面主句中的賓語(yǔ)從句時(shí),常用which
He said he had passed the exam, which was untrue.
as引導(dǎo)限制性定語(yǔ)從句 篇2
1. as引導(dǎo)限制性定語(yǔ)從句的主要結(jié)構(gòu)有:the same…as;as…as;such…as;so…as。主句中出現(xiàn)the same, as, such, so修飾先行詞,需選擇as做關(guān)系代詞在定語(yǔ)從句中做主語(yǔ)或賓語(yǔ)。例,It’s the same person as we wanted to find yesterday .
2、as引導(dǎo)非限制性定語(yǔ)從句,指代整個(gè)主句內(nèi)容,從句可置于句首,句中或句尾。
例:As everyone knows ,China is a beautiful country with a long history .
3、非限制性定語(yǔ)從句中的謂語(yǔ)為被動(dòng)式時(shí),常用as做主語(yǔ)。
例:besaid/known/announced/reported/mentioned/expected/discussed
as引導(dǎo)限制性定語(yǔ)從句 篇3
關(guān)系代詞:在句中作主語(yǔ)、賓語(yǔ)或定語(yǔ)
1.that既可代表事物也可代表人,which代表事物;它們?cè)趶木渲凶髦髡Z(yǔ)或賓語(yǔ),that在從句中作賓語(yǔ)時(shí)?墒÷躁P(guān)系詞,which在從句中作賓語(yǔ)也可以省略。[eg:This is the book (which)you want.]
2.如果which在從句中作“不及物動(dòng)詞+介詞”的介詞的賓語(yǔ),注意介詞不要丟掉,而且介詞總是放在關(guān)系代詞which的前邊,但有的.則放在它原來(lái)的位置
3.代表物時(shí)多用which,但在下列情況中用that而不用which:
a)先行詞是anything,everything,nothing ,none等不定代詞時(shí);
b)先行詞由every,any,all,some,no,little,few,much等修飾時(shí),這時(shí)的that常被省略;
c)先行詞前有序數(shù)詞或被形容詞最高級(jí)修飾時(shí);
d)先行詞中既有人又有物時(shí);
e)整個(gè)句中前面已有which,who,that時(shí);
f)當(dāng)先行詞為物并作表語(yǔ)時(shí);
g)先行詞為one時(shí);
h)先行詞同時(shí)又被the only,the very,the same修飾時(shí);
i)在there be句型中,句子的主語(yǔ)是先行詞,而且又是物
j)以here is開頭的句子
k)It is a high time+ 定語(yǔ)從句
4.who和whom引導(dǎo)的從句用來(lái)修飾人,分別作從句中的主語(yǔ)和賓語(yǔ),whom作賓語(yǔ)時(shí),要注意它可以作動(dòng)詞的賓語(yǔ)也可以作介詞的賓語(yǔ)。
5.whose是關(guān)系代詞,修飾名詞作定語(yǔ),相當(dāng)于所修飾成分的前置所有格。它引導(dǎo)的從句可以修飾人和物,當(dāng)它引導(dǎo)的從句修飾物體時(shí),可以與 of which 調(diào)換,表達(dá)的意思一樣。
關(guān)系副詞
關(guān)系副詞:在句中作狀語(yǔ)
關(guān)系副詞=介詞+關(guān)系代詞
why=for which
where=in/ at/ on/ ...which (介詞同先行詞搭配)
when=during/ on/ in/ ...which (介詞同先行詞搭配)
where是關(guān)系副詞,用來(lái)表示地點(diǎn)的定語(yǔ)從句。
6.when引導(dǎo)定語(yǔ)從句表示時(shí)間[注]值得一提的是,表示時(shí)間“time"一詞的定語(yǔ)從句只用when引導(dǎo),有時(shí)不用任何關(guān)系代詞,當(dāng)然也不用that引導(dǎo).
By the time when you arrived in London,we had stayed there for two weeks.到你到達(dá)倫敦的時(shí)候,我們?cè)谀抢镆呀?jīng)待了兩個(gè)星期。
I still remember the first time when I met her.我仍然記得我第一次見(jiàn)到她。
Each time when he goes to business trip,he brings a lot of living necessities,such as towels,soap,toothbrush etc.每一次他去出差,他帶來(lái)了生活必需品,如毛巾,肥皂,牙刷等其他東西。
7.當(dāng)從句的邏輯主語(yǔ)是some,any,no,somebody,anybody,nobody,something,anything,everything或nothing時(shí),常用there is 開頭。
There is somebody here who wants to speak to you.這里有人要和你說(shuō)話。
非限制性定語(yǔ)從句的作用是對(duì)所修飾的成分作進(jìn)一步說(shuō)明,通常是引導(dǎo)詞和先行詞之間用逗號(hào)隔開,將從句拿掉后其他部分仍可成立。
as引導(dǎo)限制性定語(yǔ)從句 篇4
1.先行詞指物,在句中作主語(yǔ)或賓語(yǔ)which:
Her house,which was built a hundred years ago,stood still in the earthquake.(那座房子在地震中依然聳立,它是一百多年前建造的。)
注意:無(wú)論先行詞指人或者指物,在句中作主語(yǔ)或者作賓語(yǔ),非限制性定語(yǔ)從句的引導(dǎo)詞都不能用that。
2.先行詞在句中作定語(yǔ),無(wú)論指人或者指物,引導(dǎo)詞都用whose:
The girl,whose name is Kate,is the top of the students in our school.(那個(gè)女孩是我們學(xué)校最優(yōu)秀的學(xué)生,她的名字叫Kate。)
The book,whose cover is red,is mine.(封面是紅色的那本書是我的。)
3.先行詞指人,在句中作主語(yǔ)who:
John,who is only five,has an inborn talent for music. (約翰是一外5歲大的孩子,有著天生的音樂(lè)才能。)
4.先行詞指人,在句中作賓語(yǔ)whom:
His wife,whom you met at my home,was a teacher.
(他的妻子,就是你在我家遇見(jiàn)的那個(gè),是一位老師。)
5.先行詞指物,在句中作時(shí)間狀語(yǔ)用when:
The sports meeting will be put off till next month,when we will have made all the preparations.(運(yùn)動(dòng)會(huì)將被推遲到下個(gè)月,那時(shí)我們做好一切準(zhǔn)備。)
6.The next day we arrived in New York,where we were inerviewed on the radio.(第二天我們到達(dá)紐約,在那里我們接受了電臺(tái)的采訪。)
7.如果先行詞作介詞的賓語(yǔ),先行詞指人,介詞提前的結(jié)構(gòu)是:介詞+whom;先行詞指物,介詞提前的結(jié)構(gòu)是:介詞+which:
President Wilson,with whom he had not the same intimate relations,is treated much less sympathetically.(威爾遜總統(tǒng)與他沒(méi)有同樣的親密關(guān)系,所以就沒(méi)有被很同情地對(duì)待。) The Second World War,in which millions of people were killed,ended in 1945.(第二次世界大戰(zhàn)造成數(shù)百萬(wàn)人的死亡,于1945年結(jié)束。)
8.as也可以引導(dǎo)定語(yǔ)從句,常與such連用:
Such people as you describe are rare nowadays.(象你所描繪的那種人現(xiàn)在已經(jīng)很少見(jiàn)了。) Let's disscuss only such questions as concern us.(讓我們只討論那些和我們有關(guān)的問(wèn)題吧。) 注意:the same that+從句,意思是:正是那一個(gè)人或物;the same as+從句,意思是:就像某個(gè)人或物:
He is the same man that you are looking for.(他就是你要找的那個(gè)人。)
He is the same man as you met in the street.(他很象你昨天在街上遇見(jiàn)的那個(gè)人。實(shí)際上并不是那個(gè)人。)
This is the same pen that I lost yesterday.(這就是我昨天丟失的那支筆。)
This is the same pen as I lost yesterday.(這很像昨天我丟失的那支筆。)
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