定語從句關(guān)系代詞as
在平時的學習中，我們會覺得寫作或做題時遇見的定語從句較多，除此之外，口語中也會有大量使用定語從句的時候。下面是小編整理的定語從句關(guān)系代詞as，歡迎大家閱讀學習。
as引導限制性定語從句
例題：I had never heard such an interesting story______you told me yesterday.
A.that B.which C.as D.that/which
有些同學可能選擇D，這說明有關(guān)定語從句的基本知識學得不錯，但知識還是有漏洞。
要記�。喝绻刃性~被such,the same,so+形容詞+a/an，as+形容詞+a/an修飾時，這時關(guān)系詞我們要用as。
此時，as同that,who,which,whom一樣，是關(guān)系代詞，代指the same,so,such和as引導的短語，常譯作“正如，像”，在定語從句中通常作主語、賓語和表語。
A.先行詞被such修飾時，構(gòu)成“such…as…”。
It’s such a heavy stone as nobody can move.
那是一塊重得沒人能移得動的石頭。(as作賓語)
Don’t trust such men as praise you to your face.
不要相信那種當面吹捧你的人。(as作主語)
B.先行詞被the same修飾時，構(gòu)成“the same…as…”。
We have arrived at the same conclusion as they have.
我們已得出和他們同樣的結(jié)論。(as作主語)
This is the same watch as was worn by John.
這與約翰戴的那塊表一樣。(as作主語)
C.在 “as…as…” 句型中，第一個as后面跟名詞時。
它可以看作是 “as+形容詞+as” 的一種變化形式。
He is as good as his brother.他和他弟弟一樣好。
這句話還可以表達為：
He is as good a boy as his brother.
It’s as pleasant a film as I have ever seen.(as作賓語)
這是一部和我以往看的同樣好的電影。
(參看P.42考點4)
D.在“so+形+冠+n.+ as”句型中(He is so good a student as every teacher likes.)
它可以看作是先行詞被such修飾時關(guān)系代詞用as(第一種情況)的一種變化形式。
He is such a good student as every teacher likes.
他是一個每個老師都喜歡的這樣一個好學生。
用so可以表達為：
He is so good a student as every teacher likes.
在下列情況下,引導賓語從句的關(guān)聯(lián)詞可以省略。
一、that在定語從句中作表語時。例如:
She is all(that)a teacher should be.她具備一個老師應該具備的所有條件。
二、that在從句中作補語時。例如:
Im not the fool(that)you thought me.我不是你以前所認為的那個傻子了。
He is the nicest teacher(that)the students consider him in their school.他就是學生認為學校中最好的那個老師。
三、作狀語時的省略。
1.當先行詞是reason,且在定語從句中作原因狀語時,可以用關(guān)系副詞why或關(guān)系代詞that,也可以省略。例如:
The reason(why/that)he failed was his laziness.他失敗的原因是因為他懶惰。
That is the reason I did it.那就是我做那件事的原因。
2.當先行詞是way,且在定語從句中作方式狀語時,關(guān)聯(lián)詞可用in which或that,也可以省略。例如:
The way(in which/ that)these comrades look at problems is wrong.這些同志看待問題的方式是錯誤的。
That was the way(in which/that)she worked the problem out.她就是用那種辦法解決問題的。
3.當先行詞是time時,關(guān)聯(lián)詞可用when,that或省略。例如:
The second time(that)I saw him was in 2000.我第二次見到他是在2000年。
I dont know the exact time(when/ that)the sports meeting will take place.我不知道運動會舉辦的確切時間。
4.當先行詞是place時,關(guān)聯(lián)詞可用where,that或省略。例如:
The place(where/ that)we will have our picnic is not decided yet.我們舉行野餐的地點還沒定下來。
This is the right place he was born.這兒就是他的出生地。(注意:句末不可用介詞in)
同學們往往認為關(guān)系代詞作賓語時就一定可以省略,其實不然.在下列四種情況下,關(guān)系代詞雖作賓語,卻不能省略。
一、在介詞+whom /which結(jié)構(gòu)中,whom,which不能省略。例如:
Do you know any shops nearby in which I can buy flowers?你知道附近有可以買到花的商店嗎?
That is the headmaster with whom my father was talking just now.剛才和我爸爸交談的那個人是校長。
二、在非限制性定語從句中,作賓語的關(guān)系代詞也不能省略。例如:
Mr Green,whom you know,is the tallest in our school.格林先生是我們學校里最高的,你也認識他。
The elephant is like a spear,as anyone can see.大象像長矛,任何人都知道。
三、在the same...as,such...as,as...as,the same...that結(jié)構(gòu)中,as,that 即使作賓語,也不能省略。例如:
I have bought the same bike as you(have).(指同類用as)我買了一輛和你的一樣的自行車。
This is the same book that I read the day before yesterday.這就是我前天讀過的那本書。(關(guān)系代詞that如要換成as,則指與我讀的書一樣,而不是同一本。)
四、當and,but,or等連詞連接兩個或兩個以上的定語從句修飾一個先行詞時,關(guān)系代詞第一個可省略,第二、第三個等不可省略。例如:
This is the book(which)I read yesterday and which I found very interesting.這就是我昨天讀的那本書,它很有趣。
You have many people around you(whom)you always turn to and whom you will never forget.你身邊有很多人,你經(jīng)常向他們求助,你永遠不要忘記他們。
the same...as
1)as在從句中作主語
She is the same person as came here last Sunday.她就是上星期天來這兒的那個人。
2)as在從句中作賓語
This is the same watch as I lost while I was doing the sightseeing in Shanghai three months ago.這塊表跟我三個月前在上海觀光時丟失的那塊一樣。
3)as在從句中作be動詞的表語
China is not the same country as it used to be.中國已今非昔比。
4)as在從句中作行為方式狀語
You should learn to do housework in the same way as your mother does it.你應該學會像你母親那樣做家務活。
such...as
1)as在從句中作主語
Let children read such books as tend to make them better and brighter.讓孩子看那些容易讓他們變得更好更聰明的書。
2)as在從句中作賓語
This is not such an interesting book as you just talked about.這不是你們剛才談到的那種有趣的書。
3)as在從句中作be動詞的表語
Such a bad man as he is will be punished.像他這樣的壞人一定會受到懲罰。
as...as
1)第二個as在從句中作主語
He has as much money as is required.他要多少錢就有多少錢。
2)第二個as在從句中作賓語
I have as many friends as you(do).我的朋友和你的朋友一樣多。
3)第二個as在從句中作be動詞的表語
As is known to all,Taiwan is one of the Chinese provinces。眾所周知,臺灣是中國的一個省。
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