by有靠近;通过;被;经由;不迟于等意思，那么你知道by的用法吗?下面跟着学习啦小编一起来学习一下，希望对大家的学习有所帮助!
by的用法大全：
by的用法1：by在表示时间时,常与动词的一般时、将来时、完成时或将来完成时连用。作“在…时候”解时,常用于by day〔night〕短语中。
by的用法2：by表示方式(除作“抓住…”解时)或原因后接名词时,名词前通常不加冠词。
by的用法3：by表示方式作“凭着”解时,其后常接反身代词; 作“乘”解时,后接交通工具,其前不加冠词。
by的用法4：by表示比率作“以…为单位”解时,常与表示单位的名词或数词连用,名词前常用定冠词; 作“…比…”解时,用于两个数字之间表示面积。
by的用法5：by表示累加时,前后一般用同一个名词、数词或副词,名词前不用定冠词,且不用于复数形式。
by的用法6：by表示动作者的时候,常用于被动结构。
by的用法7：y用于被动结构时，既可以引出施动者，也可用来表示做某事的手段。
by的用法例句：
1. Doctors are complaining about being barraged by drug-company salesmen.
医生们抱怨他们疲于应付医药公司的销售人员。
2. He was hand-picked for this job by the Admiral.
他是由海军上将精心挑选出来担任这项工作的。
3. Barry had his nose put out of joint by Lucy's aloof sophistication.
露西的冷淡与世故使得巴里十分不快。
4. Nora was deflowered by a man who worked in a soda-water factory.
在汽水厂工作的一个男子夺去了诺拉的童贞。
5. You can improve your chances of profit by sensible planning.
你可以通过合理计划来提高盈利的机会。
6. They stumble across a ghost town inhabited by a rascally gold prospector.
他们偶然来到一个居住着一位狡诈的淘金者的废墟之城。
7. We all know that fats spoil by becoming rancid.
我们都知道油脂变质后会发臭。
8. It shows a fox being disembowelled by a pack of hounds.
画面中一只狐狸正被一群猎狗撕咬得肠子外流。
9. An attempt by anti-abortionists to tighten the rules was defeated.
反堕胎者所作的加强法规的尝试失败了。
10. The rescuers were beaten back by strong winds and currents.
救援人员因风浪太大而被迫中断工作。
11. The airline had losses of $35m and was bailed out by Qantas.
这家航空公司亏损达3,500万美元，而澳航出资帮助其摆脱了困境。
12. The rebels were to have fully disbanded by June the tenth.
叛乱分子会在6月10日前全部解散。
13. The strike was called by the Lebanese Forces militia.
罢工是黎巴嫩武装民兵召集的。
14. The Prime Minister has been briefed by her parliamentary aides.
首相已听取了她议会助手的简要汇报。
15. Water in the engine compartment is sucked away by a hose.
发动机舱里的水由一条软管抽走。