TO的用法：介词 prep.
1.(表示时间)到, 直到, 在…到来之前, 离…?
The Parliament was prorogued to the tenth of February.
议会休会到二月十日.
2.(表示方向)朝, 往, 通向?
He turned to his companion before he replied.
他转身朝向他的伙伴然后回答.
3.(表示状态)紧贴着, 紧靠着, 对着?
The two lovers danced cheek to cheek.
那对情侣脸贴着脸跳舞.
4.(表示对象)对, 对于, 对…来说?
What will Doris say to it?
对此事多丽丝将怎么说呢?
5.(表示比较)比, 相对于?
The men are noodles to her.
与她相比, 这些男人都是笨蛋.
6.(表示方位)在…方向[方位], 处于…顺序?
Scotland is to the north of England.
苏格兰在英格兰之北.
7.(表示距离)离, 距离?
It is ten kilometres to the station.
到车站十公里.
8.(表示目标)到达, 直到?
We came to a picturesque cottage.
我们来到一座风景如画的村落.
9.(表示结果)转换为, 转变为, 趋于?
Wait until the lights change to green.
等交通灯变成绿色再走.
10.[表示归属]属于；…的?
the key to the classroom
教室的钥匙?
11.[表示附加]附加于；加于?
add this to the others
把这个加在另外几个上面
12.[表示伴随]跟着； 伴随；随同?
She danced to the music.
她合着音乐跳舞.
13.关于；就…而言；对于；依…看?
What will he say to this?
对此他会说什么?
14.适合；合乎；对…的反应是
副词 adv.
1.向前?
His hat is on wrong side to.
他的帽子前后戴歪了.
2.(门窗等)关上；虚掩着?
The door was blown to.
风吹把门关上了.
3.开始；着手?
We turned to with a will.
我们开始努力干.?
4.在附近?
We were close to when it happened.
事情发生时我们正在附近.
5.苏醒过来?
after he came to
在他苏醒过来以后?
for的用法：介词 prep.
1.(表示时间)在(某一特定时间); 在…时节; 持续达
2.(表示方向)向, 朝, 开往?
They made a rush for the exit.
他们猛然冲向出口处.
3.(表示对象) 替, 帮, 给, 为…做准备, 对, 对于, 对…来说, 在…一方?
What can I do for you?
我能帮你什么忙吗?
Let me lift that heavy box for you.
让我替你提那只重箱子.
You had to be ready for any emergency.
你得随时预防不测.
This inspired in them a love for learning.
这使他们产生了学习的热情.
Fortunately for him, he can swim.
对他来说幸运的是, 他会游泳.
He speaks too softly for her to hear.
他讲话声音太轻, 她听不见.
4.(表示原因)因为, 由于, 作为…的结果?
I'm pretty angry with you for not telling me.
由于你没有告诉我, 我对你很生气.
5.(表示距离)延续达, 计有?
I followed him for some distance.
我跟着他走了一段路程.
6.(表示结果)当做, 作为, 作为…的部分, 就…的条件而言?
We can't accept that as a basis for a decision.
我们不能同意以此为基础来做出决定.
7.(表示目的)为了…, 适用于?
The ship sent out a message for help.
船只发出求救信号.
She's the very person for the work.
她最适合干这项工作.
8.(表示态度)支持, 赞同, 想要?
Are you for the plan or against it?
你支持这计划还是反对它呢?
9.(表示比率)按…比例, 以…价格, 第…次?
I bought this book for ￡3.
我买这本书花了三英镑.
I met them for the second time last week.
我上周第二次遇见他们.
10.（表示对象、用途等）给,对,供
11.关于
12.代表?
13.受雇于?
14.支持；拥护
15.为得到；为获取
16.换取?
17. 就…而言
18. 对（某人）来说（困难、必需、愉快等）?
连接词 conj.
1.因为, 由于?
Prepare to alight, for we are almost there.
我们马上要到了, 准备下车吧.
with的用法：介词 prep.
1.(表示关系)和…在一起?
Would you like to go to the street with me?
你愿和我一起上街吗?
2.(表示状态)具有, 带有?
Many exhibits with characteristics of the Chinese art are on display.
许多具有中国艺术特色的展品陈列出来.
3.(表示方式)用, 以, 藉?
The room is cooled with air conditioner.
这房间用空调降温.
4.(表示对象)对…, 关于?
She was always good with the unfortunate.
她对不幸的人总是很友好.
5.(表示伴随)与此同时, 随着?
I always rise with the bell.
我总是听到铃声就起床.
6.(表示让步)虽然, 尽管?
With all his abilities, he failed completely.
尽管很能干, 他还是一败涂地了.
7.(表示原因)由于, 因为?
She flushed with delight.
她高兴得脸上通红.
8.(表示态度)支持, 赞同?
Is he with us or against us?
他赞成我们还是反对我们?
9.(表示态度)跟(…对抗)?
We are struggling with backwardness.
我们在和落后现象做斗争.
10.与…对立；反对?
11.包括；还有
12.与…方向一致；顺着
13.由…持有；由…负责?
14.为…工作；受雇于；利用…的服务?
15.虽然；尽管?
16.在…旁边；在…附近；在…身边
17.在…之中；进入…之中
18.关于；就…而言
19.比较而言；与…相比较
20.同样；完全一样
21.同意的；和谐的
22.支持；站在…一边

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　　简单的说就是在句子中有to，那么后面的动词一定要用原形，to是介词