another: 另一個，表單數，可當形容詞及代名詞用。
「指另外任何一個，故至少要三個以上才能使用another」
I have three books. One is yellow. Another book is brown.
I have three books. One is yellow. Another is brown.




other: 其餘的，表複數，當形容詞用。
other接複數名詞。若要接單數名詞必須和no, any, some連用。
There are seven pens on the desk.
One is red. Another pen is green. Other pens are orange.




the other: 其餘的，表單數或複數，可當形容詞及代名詞用。
「表二者之中的另一方，或三者以上之中剩下的」
1. There are there pens in the pencil box.
One is gray. Another pen is purple. The other pen is peach.

2. There are there pens in the pencil box.
One is gray. The other pens are peach.

3. There are there pens in the pencil box.
One is gray. Another pen is purple. The other is peach.




others: 其他的人事物，表複數，當代名詞用。
Some students come to school by bus; others come by bike.
Sam plays tennis. Others play badminton.




the others: 其餘的人事物，表複數，當代名詞用。
There are many books in the bookshelf.
One is yours. Another is Bill’s. The others are mine.




結語：
描述兩者之人事物時，第一個用one，餘者用the other。
描述三者以上之人事物時，第一個用one，中間用another，最後用the other。





Complete the sentences with a form of other (one, another, other, the other, others or the others)
1. Mandy got three books. One is from Aaron. ___________ one is from Mr. Lin. ______________ is from her sister, Julia.
2. There were many oranges in the kitchen. I ate _________, and Pony ate _______________.
3. Mrs. Lin has four daughters. One is a teacher. Another ________ is a nurse. __________________ are students.
4. I have five English notebooks. Four are mine. ________________ book is yours.
5. I have four math notebooks. Two are mine. ______________ books are yours.
6. I would like to read more books. Do you have any _____________ books for me?
7. George has four wives. ________ is from Brazil. __________ is from Spain. _______________ are from England.
8. Where are my pencils? One is on my desk. ___________ is on Tommy’s. ______________ pencils are on Frank’s.
9. Smoking will also hurt ____________ people’s health.
10. Smoking will hurt you and ____________.
11. My brother will go to the library with you some ____________ time.
12. Bob is in the classroom, but _________________ boys are in the music room.
13. Lily went shopping while ______________went bicycle riding.
14. Jonathan has a hamburger in one hand, and an apple in ____________________.
15. Sue shouldn’t ask ________________ for money.
16. It is very useful for you and _____________ to practice English with the tape again and again.
17. Cecilia is my girlfriend, and Annie is _____________.
18. I need to spend _____________ three hours to do your homework.