by介词的用法急,急,急
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by介词的用法急,急,急
by介词的用法急,急,急
by介词的用法急,急,急
1.用于被动语态的句子中,表示动作的执行者,意为“被;由”.
He was praised by the teacher.他受到了老师的表扬.
the book was written by Lu Xun.这本书是鲁迅写的.
2.表示方式、方法、手段等,后常接无冠词的名词或动名词,意为“通过;靠;用”.
Don't judge a person by appearances.勿以貌取人.
He made a living by teaching.他以教书为生.
3.表示时间,意为“到……时(为止”或“不迟于……”.
He ought to be here by now.他现在应该在这儿了.
By the time he was ten,he had learnt about 1,000 English words.到十岁时,他已学了约一千个英语单词.
4.表示(增减)程度,尺寸数量等,意为“至……的程度”.
the bullet missed me by two inches.那子弹以两英寸之差未击中我.
the rope needs to be longer by two feet.这绳子需要再长两英尺.
5.表示交通路线或工具,后接名词不用冠词,意为“乘;坐”.
go by bus / plane / train 乘汽车(飞机、火车)去
travel by land / sea / air 陆上(海上、空中)旅行
6.表示位置,意为“在近旁;在……旁边”.
there is a pumping station by the river.河边有个抽水站
1．表示位置：“在……旁边，靠近……”，表示此意时，常可与beside换用。如：
Some are drawing by（beside）the lake．
2．表示时间：“到……为止，不迟于”，常与过去完成时连用，当by引导的是未来的时间状语时，可用一般将来时。如：
How many English songs had you learned by the end o...
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1．表示位置：“在……旁边，靠近……”，表示此意时，常可与beside换用。如：
Some are drawing by（beside）the lake．
2．表示时间：“到……为止，不迟于”，常与过去完成时连用，当by引导的是未来的时间状语时，可用一般将来时。如：
How many English songs had you learned by the end of last
term?
Your son will be all right by supper time．
3．表示旅行、运输等的路线、工具或方法：“由……，经……，乘……通过……”。如：Every day he went
there by train．The monkey was hanging from the tree by his
tail and laughing．
4．与反身代词oneself 连用，表示独自、单独或没有人帮助（全凭本人）。如：I can’t leave her by
herself．
5．用于被动结构中，意为“由、被”。如：
The pupils were given some advice by the pianist．
6．用于某些固定短语中。如：
by the way 顺便，顺便问一下by and by 不久以后little by little 逐渐地by hand
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by 被..., 在...的近旁 , 在...之前, 不迟于, 以...为手段。
The classroom was cleaned by the students. 教室由学生们打扫干净了。
Miss Lucy came to China by air. 露西小姐是乘飞机来中国的。