too…to…结构用法解析
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1、tooto结构用法解析在“tooto”结构中,整个结构的意思是“太以致不能”。 一、基本形式:too+adj. / adv.+to do .其中“to do”修饰“too+adj. / adv.”作为结果状语或程度状语。“to do”通常包含否定意义。 1. The problem is too hard for a child to understand.(问题太难了,小孩子不能理解。) 2. Examples are too many to cite.(例子太多,举不胜举。) 3. Its too cold to go in the sea yet.(天太冷,还不能下海。) 4. Its
2、too long a journey to make in one day.(路程太远,一天之内到不了。) 5. Its too good an opportunity to miss.(那是一个不应该错过的极好机会。) 6. Its too early for us to go yet.(我们现在就去太早了点。) 7. Its too cold to go swimming.(天气太冷,不能去游泳。) 8. He is too much of a coward(too cowardly) to fight.(他太懦弱,不敢抗争。) 9. Its too late to shut the st
3、able door when the steed is stolen.(贼去关门,为时已晚。) 10. Lying in the pool of blood,she was too week to speak.(她躺在血泊里,虚弱得说不出话来。) 上述例句中,有的主语和不定式有逻辑上的动宾关系(即句子的主语在逻辑上是不定式的宾语),有的则没有这种关系。如果存在这种动宾关系,句子的不定式用主动语态或被动语态在意义上常无多少差别。当然,如果不定式采用被动语态,这种逻辑上的动宾关系就变成了逻辑上的主谓关系了。 1. Atoms are too small to see(or be seen)with
4、 naked eyes.(原子太小,肉眼看不见。) 2. Its too hot to eat(or to be eaten).(太烫了,没法吃。) 3. The light is too dim to be used for close work.(这灯太暗,不能用来做细活。)4. That was too complicated to be expressed clearly inone or tow words. (那太复杂了,无法用一、两句话表达清楚。) 那究竟什么情况下用主动语态,什么情况下用被动语态呢?一般来说,哪种形式表意更清楚、更自然、更符合习惯,则取哪种形式。 1. Nove
5、ls in the original are too difficult to read.(主动语态)(原版小说太难读了。) 2. At that time he was too far away to be seen.(被动语态) (那时,他离得太远,看不到他。) 以上这两个例句中的语态调换一下,则会引起意思不清或不自然。 二、当“too to”结构之前加了not,only,but,all,never等词时,“ tooto”结构构成的句子也无否定意义。此时too后的形容词多为表示心情的形容词。因为,在此情况下,这些词加too在意义上相当于 very。 1. One is never too
6、old to learn.(活到老,学到老。) 2. Swimming is not too difficult to learn.(游泳并不十分难学。) 3. We are only too pleased to go with her.(我们非常乐意和她一起去。) 4. Mary knew but too well to hold her tongue on that occasion. (玛丽深知在那种场合少说为妙。) 5. Its never too late to mend.(亡羊补牢,犹未为晚。) 6. They are all too satisfied to follow ot
7、hers suit without the pain of thought for themselves. (他们十分满足于依样画葫芦,自己不肯花力气、动脑筋。) 上面所提到的这些词只能和某些形容词或副词连用,用在“tooto”结构中,不能生搬硬套句型。如下面例句: He is too cruel to sympathy for others.(他太残忍了,对人不会有同情心。) 此例句中,在too cruel 之前不能添加only,but 之类的词,否则会引起逻辑上的自相矛盾。 He is only too lazy to do it himself.(他太懒了,哪会自己去干那种事。) 其中的
8、only也属误用,应该去掉。由此可见,能否在too 之前加上诸如only,but 等词,关键是too 之后的形容词的意义。常用的形容词有glad,pleased,willing,thankful,good,true等等。 1. At another time I learned that no matter was too small to escape the Prime Ministers attention. (另一次,我发现,事无巨细,总理事事关心。) 2. He was an all-round genius. Nothing was too difficult for him to
9、 learn. (他多才多艺,没有他学不会的东西。) 3. The question was so easy. Noone in the world was too foolish to answer it. (这个问题如此容易,不至于有谁蠢得答不上来。) 三、此结构与ready,anxious,inclined,apt,easy,eager,willing,happy 这一类词连用时,也不再含有否定意义。 too不再只和to do 发生关系,而是修饰too 之后的整个部分了。 1. The old women was too ready to talk.(那位老妇人太饶舌。) 2. He i
10、s too ready to find fault.(他最喜欢挑毛病。) 2. The tradesman was too anxious to sell his pens.(这位买卖人十分急于卖掉他的钢笔。) 4. He was too willing to accept Marys invitation.(玛丽的邀请他求之不得。) 5. Beginners are too apt to make mistakes here.(初学者特别容易在这儿搞错。) 从这些例句中,我们不难发现,too 不仅没有使句子产生否定意义,相反,它还起了某种强调作用,使之成为一种加强语气的结构。这在教学中要引起
11、注意。 四、在“tooto”结构中,to do前用 not加以否定。“ tooto”结构通常已含有否定意义,在其中加上not后便形成了“双重否定为肯定”。这样,“ toonot to do”所表达的意思就是:“如此是会”,或“如此哪能不”。 1. He was too angry not to criticize her.(他太生气了,哪能不批评她。) 2. The poem is far too beautiful not to be requited here. (这首诗太美了,这里还要引用一下。) 3. His experience there was too bitter not to
12、 be remembered. (他在那里的经历太惨了,不容他记不得。) 4. Mr. Holmes was too wise not to see the tricks of the criminals. (福尔摩斯先生如此精明,岂能看不出罪犯玩弄的花招。) 5. Tom is too hard-working not to pass the exam.(汤姆这么用功,哪有考不及格的道理。) 6. He read too many books about Africa not to known something about the social customs there.(他读了那么多有
13、关非洲的书,不会不对哪儿的社会习俗有所了解。) 五、“Tooto”与“enough to”和“ sothat”的区别: “tooto”结构与“enough to”和“ sothat”,它们间有共同点,也有不同点。 1.共同点: A. 它们都可做结果状语或程度状语。 1)A train was coming near quickly,and the boy was too frightened to move. (一列火车快速驶近,那个男孩子吓得不敢动了。) 2)When we talk about the universe,we mean notonly the earth,the sun,t
14、he moon and the stars,but also all the things too far away to see. (当我们谈到宇宙时,指的不仅是地球、太阳、月亮和星星,还有那些遥远的看不见的一切。) 3)At the end of six months he had learned enough to read articles and reports in Russian. (六个月他学习得能看俄文版的文章和报道了。) 4)Is the ice hard enough to skate on?(在冰上滑冰,冰硬不硬?) 5)In fact,his English inon
15、e of these articles was so good that Engels wrote him a letter and praised him for it.(事实上,从马克思的其中一篇文章中可以看出,他的水平是很好的,从此,恩格斯给他写信表扬了他。) 6)He had mastered the language so well that he was able to write the book in English. (他对英语掌握得很不错,能用它写这本书了。) B. 它们之间可以相互转换,其意义不变。 1)“tooto”结构与“enough to”结构相互转换,要改用反义的
16、形容词。如: Im afraid I am too stupid to follow your argument. = Im not wise enough to follow your argument. Spanish is not too difficult to learn. = Spanish is easy enough to learn. Your nails are long enough to scratch anybodys eyes out. =Your nails are not too short to scratch anybodys eyes out. That
17、box is not big enough to hold all these things. = That box is too small to hold all these things.由此可见,在“tooto”结构与“enough to”结构的相互转换中,如果一种结构为肯定,另一种结构则为否定,反之也如此。 2)“tooto”结构与“sothat”的否定从句可以相互转换。 It was too cold for us to go shopping. = It was so cold that we couldnt go shopping. You are so big and the
18、 jar is so small that it could hardly holdone of your feet. = You are too big and the jar is too small for it to holdone of your feet. 3)“enough to”结构与“sothat”结构相互转换。For example: It was cold enough to freeze our fingers. = It was so cold that our fingers froze. The boys father was so thankful that h
19、e taught Edison how to send messages by railway telegraph. = The boys father was thankful enough to teach Edison to send messages by railway telegraph. 2.不同点: 1)“tooto”结构通常表示否定意义,“enough to”结构则表示肯定意义。 He was too tired to go any further.(他太疲倦了,不能再往前走了。)(表否定意义) This book is easy enough for a six-year
20、old child to read. (这本书容易到六岁孩子都能读得懂。)(表肯定意义) 2)“tooto”和“enough to”结构不能引导状语,而“sothat”结构可以引导状语从句。For example: Its too hot to work.(简单句) I was fool enough to believe her.(简单句) He was so ill that we had to send for doctor.(复合句) 3)enough作形容词、副词时,在句子中所处的位置不同: enough作为形容词修饰名词时,它的位置可以在所修饰的名词前面或名词的后面。 We have money enough to buy a car. There was enough food left over to feed a dozen more people. Enough作为副词时,它在修饰的形容词或副词后面。 Hes not good enough for us to carry.(修饰形容词) He plays the violin well enough to perform at a concert.(修饰副词)
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