英語中撇號的8個使用規則
1. Own something?
1. 擁有某物？
Use's to show it: John's toilet.
用's表示：如John's toilet（約翰的廁所）。
If the name ends in s: Add another ’s after it: Chris's plunger.
如果名字以s結尾，後面加上's：如Chris's plunger（克里斯的活塞）。
Inanimate objects can also “own” something: Yesterday's rainbow.
無生命物體也可以“擁有”某物，如Yesterday's rainbow（昨天的彩虹）。
2. A group owns something?
2. 一個羣體擁有某物？
Put'after the s: The BRI members' toilets.
在s後面加上'，如：The BRI members' toilets（生物研究所成員的廁所）。
3. The group doesn't end in s?
3. 羣體不是以s結尾？
Add's: Children's potties.
加’s：如 Children's potties（孩子們的便壺）。
4. More than one owns the same thing?
4. 一個以上的人擁有同一件物品?
Add 's to the second one. John and Gordon's toothbrush.
在第二個人後面加上's。如John and Gordon's toothbrush（約翰和戈登的牙刷）
5. Letter not usually plural?
5. 通常不作複數的字母？
Add 's to make it plural: Cross your t's.
加上's將它變爲複數：如Cross your t's（在字母t上打叉）。
6. Taking out letters?
6. 省略字母？
Replace with 's. Here is = Here's.
用’s代替。如Here is = Here's。
7. Is it it's or its?
7. 用it's還是its？
Use it's when you could say “it is”: It’s my toilet = It is my toilet.
當你說“it is”時用it's：如It's my toilet = It is my toilet（這是我的廁所）。
Use its for belonging to: The cheeky monkey pooped its pants.
從屬關係用its：如The cheeky monkey pooped its pants（那隻厚臉皮的猴子把它的褲子套上了）。
The pants belong to the monkey; you wouldn't say, “The cheeky monkey pooped it is pants.”
褲子屬於猴子的，你不能說成The cheeky monkey pooped it is pants。
8. Is it you're or your?
8. 用you're還是your？
Use you're when you could say “you are”: You’re wrong = You are wrong.
當你說“you are”時用you're：如You're wrong = You are wrong（你是錯的）。
Use your for “belonging to”: I can see your underwear.
從屬關係用your：如I can see your underwear（我可以看到你的內褲）。
The underwear is yours, so it’s not “I can see you are underwear.” (Unless, of course, you actually are underwear)
內褲屬於你的，你不能說成I can see you are underwear。（當然，除非你真的是條內褲）
