with的用法
一、表伴随作用。
译作“同……（一起）”，“跟……（一起）”等。如：
I went to the cinema with my mother. 我和我妈妈去看电影了。
在英语语法里，当“单数名词+with+名词”，用作主语时，其谓语动词应用单数。如：
A teacher, with his students, is seeing an English film. 一位教师跟他的学生们正在看一部英语电影。
2、译作“随着”。如：
With the development of science and technology, our living standards have missed a lot. 随着科技的发展，我们的生活水平得到了很大的提高。
译作“具有”、“带有”。如：
The woman with a baby in her arms was my teacher in the middle school. 那位怀抱孩子的妇妇就是我中学时的老师。
二、表工具、手段、原因、施动者。
1、译作“用”、“被”。如：
The table is covered with a nice cloth. 那张桌子用一块漂亮的布盖着。
The window had been broken with a stone. 窗户被一块石头打碎了。
The pavement on each side was crowded with smiling people. 两边的人行道上挤满了微笑的人们。
He was killed with a knife. 他被人用刀刺死了。
2、译作“乘”。如：
Mr. Black came to China with a plane called 737. 布来克先生乘坐一架名为737的飞机来中国的。
译作“由于”、“因为”等。如：
With so many things to do, he has to work full times. 由于有这么多的事要做，他不得不全日工作。
He passed the exam with her help. 在她的帮助下，他考试及格了。
She jumped with joy. 她高兴得跳起来。
with 的特殊用法
表示“在……范围”，有“在……工作”、“是……的成员”或“被……雇用”等。
He got a job with a motor company. 他在一家汽车公司找到了工作。
He has been with our school for 28 years. 他在我们学校工作了28年。
表示让步，译作“尽管、虽然”。如：
With all his shortcomings, he was a conscientious worker. 尽管他有缺点，但他却是一个勤勤恳恳的工人。
3、表示“与……一致(拥护)”或“与……对垒”。如
Are you with us or against us? 你是拥护我们还是反对我们？
The dog was fighting with the cat. 狗在和猫打架。
Our team is playing with the team from No. 2 Middle School. 我们的球队正在和二中的球队比赛。
4、表示“关于，对……，就……来说”等。如
Jenny didn’t want him to do that because her parents were very strict with her. 詹妮不想让他那么做，因为她的父母对她要求很严。（还有短语：be angry with sb.）
Everything was going well with us. 我们的一切都进行得很顺利。
Something is with the computer. 那台电脑出了毛病。
5、表示情态。如：
She looked at them with great satisfactions. 她十分满意地看着他们。
She walked out with a smile. 她笑着走了出去。
6、with 构成的介词短语，除了可以作伴随状语、原因状语、定语外，还可以作条件状语，如：
With us on their side, they will win. 如果我们在他们那一边，他们就会赢。
With this sum added, we will have enough money for the building. 如果加上这一笔，我们建这栋楼房的钱就够了。
四、用于某些短语中，形成固定搭配。如：
常见的短语：down with（打倒），out with（说出来），have to do with（与……有关），catch/keep up with（赶上/跟上），meet with（碰到），help…with（帮助……做……），be with child（怀孩子了），get in touch with（取得联系）等等。
介词with的复合结构，常见形式及用法：
1、with+现在分词
They started working with the machine running.
2、with+过去分词
He is used to sleeping with the window closed.
3、with+不定式（to do）
With a lot of homework to do,Tom cann't go out to play.
4、with+形容词
She left the house with the windows open(开着的）/closed.（关着的）。这里的形容词有普通形容词，也有像closed，broken等过去分词演变的形容词。但只要明白语义，理解起来并不难。
5、with+副词
Don't leave the room with the lights on.
6、with+名词（包括名词性短语）/代词
The boy killed two birds with a stone his weapon.
7、with+介词短语
The teacher came into the classroom with a book in his hand.
第二篇：With by In.用法doc
With by In
with强调用什么样的物资。
例：They made a temporary rudder with planks.
by强调用什么工具，办法，或者什么人。by 多接动词ing形式或名词 例：He was knocked down by a car.
in强调用一种语言，或一些抽象的方式。
例：I explained to you in Chinese.
by
prep.
1. 被,由
The homework was assigned by the teacher.
这些家庭作业是老师布置的。
2. 靠,用,通过
They crossed the river by ferry.
他们乘渡船过了河。
3. 经由;沿
Ellen flew to Chicago by way of Minneapolis.
艾伦经由明尼阿波利斯飞往芝加哥。
4. 在...旁边,靠近;在...手边
I haven't got any money by me.
我身边没有带钱。
5. 不迟于;在...之前
We had to get there by evening.
我们必须在夜晚前抵达那里。
6. 根据,按照
How do you know he didn't act by the rules?
你怎么知道他没有按规定行事?
7. (表程度)相差
He missed the bus by three minutes.
他晚了三分钟没赶上那班公车。
8. 凭,对...(发誓)
I swear by God!
我对上帝发誓!
9. (乘除法上)以...,用...(乘或除)
Nine divided by three makes three.
九除以三得三。
10. 以...计,按
You'll be paid by the hour.
你的工资将按时计酬。
11. 在...的时候
He had to sleep by day and work by night.
他只好白天睡觉,晚上工作。
12. 就...来说,关于
Philip is a doctor by profession.
菲利浦的职业是医生。
13. (表连续或反复)逐个;逐批
The teacher explained the text sentence by sentence.
教师逐句讲解了这篇课文。
14. 由于
She took my umbrella by mistake.
她误拿了我的伞。
with
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!
in
prep.
1. 在...里,在...上
The two brothers study in the same class.
两兄弟在同一个班里上课。
The telephone is in the little study on the ground floor. 电话在一楼的小书房内。
2. 在...之内;在...方面
He is lacking in courage.
他缺乏勇气。
3. 从事于;参加着
She is in business.
她做生意。
4. 穿着,戴着
He is dressed in black.
他穿黑衣服。
5. 朝,向
She hurried away in the opposite direction. 她朝相反的方向匆匆离去。
6. (表示手段、方法、材料)用,以
They paid in cash.
他们用现金支付。
7. 在...期间;在...以后
He'll come back in a week.
他将于一周之后回来。
I haven't met her in a long time.
我好长时间没有遇见她了。
8. 处在...中
The room was in disorder.
房间里乱七八糟。
9. (表示数量、程度、比例)按,以;在...中
One child in twenty has this disease.
二十个小孩中有一个患有这种疾病。
10. 在...身上,在...上
In him I see a future leader.
我在他身上看到了一个未来的领袖人物。
11. (表示过程)在...当儿;在...过程中
The work is in progress.
这工作正在进行中。
12. (表示动作的方向和结果)进入到...中;成,为
He pushed a button and set the machine in motion. 他按下按钮开动了机器。