to,for和with的不同to用于什么时候,for用于什么时候,with用于什么时候简单明了的列出来举一下例子好么

for
[fC:; fE]
prep.
(表示目的)为了, 因为, 至于, 对于, 适合于
conj.
因为
a present for Mary
给玛丽的礼物
I've got a little present for your birthday.
我有一件小礼物送给你过生日。
I can do it for myself.
我自己能做这件事。
These investigations are not done for nothing.
这些调查工作自然不是白做的。
to
[tu:; tE, tu]
prep.
向, 往, 给...,于...,直到...为止, 在...之前, 比, 对, [表示程度、范围] 到, 达
[域] Tonga , 汤加
He pointed to the clock.
他指着那个钟。
（表示目标）到…去
Give the book to him.
把这本书给他。
The mayor intended to get to the bottom of the matter.
市长打算将此事寻根究底。
（表示程度）达到
This will relieve pressure on the trains to some extent.
这将会在一定程度上减轻对火车的压力。
The bus service has been cut to the bone.
公共汽车服务已经削减到了最低限度。
（表示状态）趋于，倾向
She sang the baby to sleep.
她给孩子唱歌唱到孩子睡着。
（表示结果）导致
with
KK: []
DJ: []
prep.
1. 与...一起,偕同,和...
She lives with her son.
她和儿子住在一起。
2. 带着...;有...的
The girl with long hair is my classmate.
长头发的女孩是我同学。
3. 以(手段、材料),用(工具)
My American friend is learning to eat with chopsticks.
我的一位美国朋友在学着用筷子吃饭。
4. 符合,一致
5. 在...一边,赞成
We are with you there.
在那一点上我们站在你这一边。
6. 跟...,反对
The Allied Forces fought with Germany.
盟军跟德国交战。
7. 顺...方向,跟...一起
8. 加上,包括...在内
His bank savings, with his wife's jewels, amount to three million dollars.
他的银行存款加上他太太的首饰合计达三百万元。
9. 随着,对应
An independent man, Peter never goes with the tide.
彼得是个有主见的人,从不随大流。
10. 在...身边,在...身上
He had a gun with him.
他带了枪。
I have no money with me.
我身边没有钱。
11. 与...(相比)
12. 跟...(分手)
I parted with my brother in Paris.
我跟我兄弟在巴黎分手。
13. 尽管有
With all the setbacks, he did not lose heart.
尽管遭受种种挫折,他没有丧失信心。
14. 由于,因为
They were wild with joy.
他们欣喜若狂。
15. (与副词连用构成祈使句,表示强烈的愿望)
Down with fascism!
打倒法西斯主义!

to表目的，接短语，for表目的接名词，with表示“与”，接名词
I'm going to school to study.
I'm going to school for studying.
I'm going to school with you.

to (1)表目的,(即为in order to的省略形式,He takes exercise everyday to win the game)(2)与动词不定式连用 如 due to/talk to(3)介词,译为"为了"后接名词/动名词/代词宾格 for (1)译为"对于"后接从句/名词/动名词...