so that / too to / such that / as as 都是什么意思？有区别吗？

)“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。 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。 as…as…意为"和……一样"，表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本用法为as+ adj./ adv. +as…。例如： This film is as interesting as that one (is). 这部**和那部**一样有趣。 Your pen writes as smoothly as mine (does). 你的钢笔书写起来和我的一样流畅。 其否定式为not as/so +adj./ adv. +as…结构。例如： This dictionary is not as/so useful as you think it is. 这部字典不如你想象的那样有用。 I didn"t catch as many as I had expected. 我抓到的不如我预想的那么多。 若有修饰成分，如twice, three times, half, a quarter等，则其必须置于第一个as之前，例如： You are not half as clever as you think you are. 你可不象自己想象的那么聪明。 She isn"t going out with a man who is twice as old as she. 她不打算和一个比她大一倍的人出去散步。 几个关于as…as…的常见句型： （1）as…as possible/can 尽可能的 Please answer my question as soon as possible. 请尽快回答我的问题。 The detective is searching the man as carefully as he can.那个侦探正在尽可能仔细地搜那个男子的身。 （2）as…as usual/before像以前一样…… She looks as pretty as before. 她看起来和以前一样漂亮 Though they failed, they still worked as hard as before. 尽管他们失败了，但他们仍像以前一样努力工作。 （3）as long as达……之久；和……一样长；只要（引导条件状语从句） It took us as long as three years to carry out the plan. 我们花了长达三年时间才完成这项计划。 This rope is as long as that one. 这条绳子和那条一样长。 I will stay with you as long as there is a room free. 要是你有一间空余的房子，我就住在你这里。 （4）as far as 远至；就……而论，据…… He walked as far as the railway station yesterday evening. 昨天傍晚，他一直散步到火车站。 As/So far as I know, the library won"t open until eight o"clock. 据我所知，图书馆要到八点钟才开门。 （5）as well as 和……一样好；也；既……又……；除……外，还…… She sings as well as she plays. 她唱得好，弹得也好。 The child is lively as well as healthy. 这孩子既健康又活泼。 Tom, as well as his brothers, enjoys playing football. 汤姆和他的哥哥们都喜欢踢足球。 He gave me his help as well as his criticism. 他除了给我批评外，还给我帮助。（这时强调帮助） 一些带有as…as…的常见短语归纳： as black as coal 像煤一样黑 as brave as a lion像狮子一样勇敢 as busy as a bee像蜜蜂一样忙碌 as deep as a well像井一样深 as easy as ABC像ABC一样容易 as fat as a pig 像猪一样肥胖 as firm as rock 像山岩一样坚定 as free as a bird像小鸟一样自由 as happy as a king像国王一样快乐 as blind as a bat像蝙蝠一样瞎 as hot as fire 像火一样热 as light as a feather 像羽毛一样轻 as patient as an ox像牛一样能忍耐 as poor as a church mouse像教堂的老鼠一样贫穷 as quick as lightning像闪电一样快 as soft as butter像黄油一样软 as sweet as honey像蜜一样甜 as white as snow像雪一样白 as stupid as a donkey像驴子一样笨 as rich as a Jew像犹太人一样富裕 as wise as Solomon像所罗门一样聪明

首先我们来看下care of和care for的大致意思：

care of：词性为短语，care of是一个表示在信件地址中代表实际收件人的短语，而不是收件人自己的名字。它通常用于当收件人无法直接收到信件时，邮件会先寄送给另一个人，再由该人转交给实际收件人。

care for：词性为动词短语，care for表示关心、照料、照顾某人或某物，也可以表示喜欢、喜好某事物，还可以表示想要、希望得到某物。

通过下面的表格我们了解下care of和care for的含义、发音和用法

接下来让我们看下care of和care for的用法区别：

1.词性：care of是一个短语，而care for是一个动词短语。

例子：

- He wrote a letter to John Smith, care of Mary Johnson, 123 Main Street, New York.

(他写了封信给John Smith, care of Mary Johnson, 123 Main Street, New York.)

- I care for children a lot.

(我很喜欢照顾小孩。)

2.含义：care of是用于信件地址中，表示代收人的名字，而care for表示关心、照料、照顾或者喜欢、喜好。

例子：

- Please send the letter to John Smith, care of Mary Johnson, 123 Main Street, New York.

(请将信寄到John Smith, care of Mary Johnson, 123 Main Street, New York。)

- I care for my family a lot.

(我很关心我的家人。)

3.发音：care of的英式发音是ke?r ?v，美式发音是ker ?v；care for的英式发音是ke?r f?，美式发音是ker f?r。

例子：

- I want to know the correct pronunciation of care of.

(我想了解care of的正确发音。)

- How do they pronounce the phrase care for?

(他们怎样发音care for这个短语？)

4.用法：care of主要用于信件地址中，表示代收人的名字，而care for可以用于日常口语和书面语，表示关心、照料、照顾或者喜欢、喜好。

例子：

- Please send the letter to John Smith, care of Mary Johnson, 123 Main Street, New York.

(请将信寄到John Smith, care of Mary Johnson, 123 Main Street, New York。)

- I care for my family a lot.

(我很关心我的家人。)

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