请讲一下BY的用法 是不是有BY一定用完成时呢?1楼的智商哈低,乡下人靠边站！

请讲一下BY的用法 是不是有BY一定用完成时呢?1楼的智商哈低,乡下人靠边站！
请讲一下BY的用法 是不是有BY一定用完成时呢?
1楼的智商哈低,
乡下人靠边站！

请讲一下BY的用法 是不是有BY一定用完成时呢?1楼的智商哈低,乡下人靠边站！
1）表示以一般的方法或方式.如：
No one in those days could live by writing poems.
（2）表示传达、传递的方式或煤介.如：
How did you send the letter, by airmail or by ordinary mail?
（3）表示用交通工具、通讯工具后接名词单数,不加冠词.如：
He came by train, but his wife came by bus.
注意下面两句的区别：
Did you come by train?
Did you come in his car / on my bike?
“by +抽象名词”构成的词组有：by accident / by chance / by diligence / by effort / by force / by heart / by luck / by mistake / by hard work.
我可没查字典,BY的用法比较多,我列的是常见的

by
KK: []
DJ: []
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 fle...

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by
KK: []
DJ: []
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。
ad.
1. 经过;过去
A truck went by.
一辆卡车开过。
2. 在旁边
When I filled out the form she was standing by all the time.
我填写表格时,她一直站在我身旁。
3. (放)在一边
They put money by for later use.
他们储存钱以备将来使用。
4. 【美】【口】到(或进入)某人的家
Please come by and have dinner with us.
请到我家来一起吃晚饭。

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