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方式狀語(yǔ)從句還是表語(yǔ)從句
本站特約作者 李 翔
目佳先生在“英語(yǔ)語(yǔ)法網(wǎng)”(m.52ysedu.com/Article/200812/1057.html)發(fā)表了自己的看法：
看法之一《薄冰高級(jí)英語(yǔ)語(yǔ)法》(世界知識(shí)出版社2002年9月第7次印刷) 第16.8節(jié)“狀語(yǔ)從句”：方式狀語(yǔ)從句(adverbial clause of manner)：方式狀語(yǔ)從句表示動(dòng)作的方式，其所用的關(guān)聯(lián)詞有 as, as if, as though, the way, how 等，多位于主句之后。例：(143)He looks as if he’s tired. 他像是累了。
我們認(rèn)為 He looks as if he’s tired. 中的 as if 引導(dǎo)的從句不宜分析為方式狀語(yǔ)從句，而應(yīng)分析為表語(yǔ)從句。因?yàn)?/FONT> look 在此為系動(dòng)詞，而非實(shí)義動(dòng)詞，它后面應(yīng)接表語(yǔ)，意義才完整。另外，《薄冰高級(jí)英語(yǔ)語(yǔ)法》認(rèn)為“方式狀語(yǔ)從句表示動(dòng)作的方式”，而He looks as if he’s tired.中根本沒(méi)有“動(dòng)作”動(dòng)詞，所以也就無(wú)所謂“動(dòng)作的方式”。
看法之二：《朗文英語(yǔ)語(yǔ)法》(外語(yǔ)教學(xué)與研究出版社2002年3月第16次印刷)第
I feel as if / as though I’m floating on air. 我感到好像漂浮在空中一樣。
注意：也可以用在 it 結(jié)構(gòu)后面：
It sounds as if / as though the situation will get worse. 聽(tīng)起來(lái)好像情況會(huì)惡化似的。
It feels as if / as though it’s going to rain. (i.e. I feel that this is going to happen) 這天氣給人的感覺(jué)好像是就要下雨了。(即我感覺(jué)這事即將發(fā)生。)
我們認(rèn)為說(shuō)“方式狀語(yǔ)從句在動(dòng)詞 be (是，feel (感覺(jué))，look (看) seem (好像)，smell (聞)，sound(聽(tīng)起來(lái))，taste (嘗起來(lái)) 等后面也可以由連詞as if和as though來(lái)引導(dǎo)”似乎不妥，因?yàn)?/FONT>be (是)，feel (感覺(jué))，look (看)，seem (好像)，smell (聞)，sound (聽(tīng)起來(lái))，taste (嘗起來(lái))等都是連系動(dòng)詞，它們后面接的 as if / as though 從句應(yīng)是表語(yǔ)從句，而不是方式狀語(yǔ)從句。
實(shí)際上，中外的語(yǔ)法專(zhuān)家?guī)缀醵家恢抡J(rèn)為上述提到的動(dòng)詞 be (是)等之后所跟的as if / as though 從句是方式狀語(yǔ)從句，而不是表語(yǔ)從句。請(qǐng)看例證：
1. 張克禮在《英語(yǔ)語(yǔ)法難題集釋》(天津人民出版社 1988年9月第1版)p455上進(jìn)行了明確的闡述：
問(wèn)：You look as if you slept badly. 中 as if 引導(dǎo)的是狀語(yǔ)從句還是表語(yǔ)從句？
答：是狀語(yǔ)從句。look在這里不是連系動(dòng)詞，而是全動(dòng)詞(連系動(dòng)詞作實(shí)義動(dòng)詞時(shí)，稱(chēng)全動(dòng)詞)。
Quirk在談到這類(lèi)從句時(shí)說(shuō)as if 和as though引導(dǎo)表示有假設(shè)情況的比較狀語(yǔ)從句( as if and as though introduce adverbial clause indicating comparison with some hypothetical circumstance.—p755 )
He looks as if he’s sick: fetch the doctor.
Curme 說(shuō)：它們(動(dòng)詞look, seem 和be)不是連系動(dòng)詞(copulas)，而是全動(dòng)詞(full verbs)(p.282):
He looks(=have an appearance, acts) as if he were going through a great crisis.
They seemed(=seemed to act) as if they had never missed Sylvia.
It seemed to me(=impressed me) as if they had never missed Sylvia.
It was(seemed) almost as if people had sensed at once that she could never be held accountable for what she said and did.
Palmer 也認(rèn)為在這種結(jié)構(gòu)中 be, look, seem為實(shí)義動(dòng)詞，并與其他可用于這種句型的實(shí)義動(dòng)詞相提并論，說(shuō)這種句型主要?jiǎng)釉~有：act, appear, be, behave, feel, look, seem, sound, talk, taste, treat(sy. 或sg.)(p.283)：
It looks (behaves, seems, etc.) as if it were here. (it would rain, etc.)
Kruisinga 也認(rèn)為as if-從句為比較狀語(yǔ)從句：
And it certainly looks as if something dreadful would happen to Miss Thong.(Part II, 3 p.413 )
與此相似， “It seems，etc. that ”結(jié)構(gòu)中的seems等也是實(shí)義動(dòng)詞。that-從句為主語(yǔ)從句，it為形式主語(yǔ)。Hornby說(shuō)that-從句出現(xiàn)在seem， appear, happen, chance和 fellow后時(shí)，前面的it為先行it(introductory it)(p.23):
It would seem (that) the rumours have some truth in them.
It appears (that) the plane did not land at
It seemed (to me) (that) you’re not really interested.
Could it be that the sound of her heart beat is vital factor? (English Through Reading p.32)
It may be that in having that I am really wise.(ib., p.131)
It cannot be that he was speaking falsely for he was a god and can not lie.(ib., p.132)
但是，LDCE認(rèn)為seem, appear等的這種用法為實(shí)義動(dòng)詞，be為連系動(dòng)詞(實(shí)際上be與上述動(dòng)詞用法一樣，沒(méi)有必要把be分出來(lái)):
It seems (=appears to be true) as if there will be an election soon.(p.1007)
It would seem that there is no way out of our difficulty. (ib.)
It appears (=seems to be true)(that) she will win.(=It appears as if she will win.)(p.39)
It’s (as a connecting verb) as if we had never even started.(p.77)
連系動(dòng)詞與不及物實(shí)義動(dòng)詞是不同的，連系動(dòng)詞必須接表語(yǔ)，不及物動(dòng)詞意義本身就完全了。seem, appear等作連系動(dòng)詞時(shí)，that-從句既可以放在句首又可放在句末；作實(shí)義動(dòng)詞時(shí)，that-從句不能放在句首，只能放在seem等后：
It seems doubtful that he will be on time. (Liles p.123)
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