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tooto是什么意思 英语
可能多了点、 但是很全。 一、too... to... 的意义 too... to 句型形式上是肯定的，但是它在意义上却是否定的，表示"太……而不能……"。too 的后面接形容词或副词的原级，to 的后面接动词原形。too... to...句型是简单句。例如： He is too young to join the army. 他年龄太小，不能参军。 二、动词不定式的逻辑主语 动词不定式所表示的动作的执行者与整个句子的主语不指同一人或物时，需要在动词不定式前加上一个逻辑主语(常用for sb.)。例如： The maths problem is too difficult for me to work out. 这道数学题太难我解不出来。 三、too... to... 结构表达肯定的意义 1. too 前面含有表示否定意义的词，如: not, never, nothing等时，too... to... 结构不表示否定的意义。例如： It is never too old to learn. 活到老，学到老。(要学永远都不迟。) 2. 如果在too... to...这种结构的前面出现了only, 不仅免去了too的否定意义，反而加强了too的肯定语气，only too 相当于very 或very much。例如： I shall be only too pleased to get home. 到了家我将极其高兴。 3. too后接表示感情的形容词，如glad, pleased, happy, sad等时，too... to...句型不再表示否定意义，而表示的是肯定意义。例如： He is too sad to hear the bad news. 听到这个不幸的消息他太悲伤了。 四、too... to... 结构与enough...to... 结构及so... that...结构的相互转换 1. 将too...to...结构转换为enough... to... 结构时，要注意： (1) enough 前的形容词或副词应是too前面形容词或副词的反义词； (2) enough... to... 句式须用否定式； (3) too... to...结构有逻辑主语时， enough... to... 结构也要加上逻辑主语。例如： She is too young to do the work. = She isn't old enough to do the work. The problem is too hard for him to work out.= The problem isn't easy enough for him to work out. 2. 将too...to...结构转换为so... that... 结构时，要注意： (1) so... that... 结构是复合句，so 的后面接形容词或副词的原级，that的后面接从句。 (2) that后面的从句要用否定形式。例如： She is too young to go to school. = She is so young that she can't go to school. 请同学们做做下列中考题，以便检验你对too... to...用法的掌握情况。 变换下列句型： 1. a. The box is so heavy that I can't carry it. b. The box is ________ heavy______ ________ ________ carry. c. The box is not ________ ________ for me to carry. (江苏省盐城市) 2. a. The maths problem isn't easy enough for me to work out. b. The maths problem is ________ difficult ________ I can't work it out. c. The maths problem is ________ difficult ________ ________ ________ work out. (江苏省扬州市) 3. a. The book is interesting enough for everybody to read. b. The book is ________ interesting________ everybody likes to read it. (江苏省苏州市) Keys: 1. b. too, for me to c. light enough 2. b. so, that c. too, for me to 3. b. so, that
too to
这个句型意思是如此...以至于，并是不是你说的太..以至于不能。前面是修饰程度太怎么样，导致了什么样的结果，所以没有否定的意思。
结果状语从句so...that和such...that
答案应该选C.
too...to...表示:太...而不能...后面加的是动词原形.
so...that...表示:太...以至于...后面加的是从句.
要区别他们的话只能说too...to...是在一个句子里的,而so...that...是在有从句的复合句里的.这个句子用too...to...也可以写成:
I am too busy getting ready for Christmas to write to you.
另外,这里还有几个词组:be busy doing sth.忙于做某事.
get ready for sth.为...做准备.
too...to和so…that的区别
1.“so…that”结构表示“如此……以致”，so后跟形容词或副词，that后引出结果状语从句。例如： I was so busy at that time that I didn't go to sleep for three days.那时我很忙，一连三天都没睡觉。 The noise was so loud outside that I could sleep no longer.外面的噪声这样大，我再也睡不着觉了。 The pop star sang so beautifully that he was asked to sing again and again. 歌星唱得这样好，人们要求他唱了一首又一首。 The weather is so cold that they had to stay at home.天气如此冷，以至于他们不得不呆在家里。 The coat is so expensive that I don't want to buy it.这件外套太贵，我不想买。 He was so sad that he began to cry. 他悲伤得哭了起来。 2.too…to…是英语中常用的一种结构。其句型为“too＋形容词或副词＋to do…”译为“太……而不能……”，它在形式上是肯定的，但在意义上是否定的。这一结构的具体用法如下： 1) “too…to…”本身已含有否定意思，因此，不定式前一般不加not。例如： 她太小了，还不能去上学。 She is too young not to go to school． (×) She is too young to go to school． (√) 2) 在too…to…结构中，若要指出动词不定式的逻辑主语时，则用too…for sb． to do 形式。例如： The box is too heavy for her to carry． 这个箱子太重，她抬不动。 This question is too hard for me to work out． 这道题太难了，我算不出来。 3) 在too…to…结构中，如too前面有not, never, only等词时，此结构表示肯定意思。例如： One is never too old to learn．活到老，学到老。 4) 若too后接ready,pleased, glad等形容词时，too相当于very, “too…to…”则表达肯定的意思。例如： I＇m too glad to help you． 我很乐意帮助你。 I＇m too pleased to see you． 见到你太高兴了。 --------------------来自 ***/staticpages/study/question/question_5010688.htm ========================================= 希望可以帮到你哦！望采纳 谢谢！O(∩_∩)O
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