英语by的用法归纳高中
Milk is sold by the pint and eggs by the dozen. 牛奶按品脱卖,蛋类论打卖。
有时也接抽象名词此时通常不用冠词。如:
Bananas are usually sold by weight. 香蕉通常按重量卖。
扩展资料
表示时间,指“最迟在……之前”“到……的时候已经”,此时要注意它所连用的时态。如:
He was very tired by the evening. 他到晚上已经很累了。
He has read about 40 pages of the book by now. 现在这本书他已读了大约40页。
We will have finished the work by next month. 到下个月我们就会干完了这工作。
By the time the doctor arrived the patient had died. 在医生到达时,病人已经死了。
表示“乘”“坐”时,其后接交通工具(如 bus, bike, train, plane, car, taxi, ship等)或与交通工具密切相关的名词(如air, water, land, road等),在句中主要用作方式状语,其中通常不用冠词或其他限定词。如:
They came here by the first bus. 他们是坐第一班车来的.。
但是,若表示交通工具的名词前插有定语修饰语,则也可以用冠词。如:
We’re going by the 9:30 train. 我们坐9:30的火车去。
We went to Shanghai by a large ship. 我们乘一艘大船去上海。
注意,汉语说“步行”,英语习惯上用on foot, 而不用 by foot。