Preposition 前置詞

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(1) What is a preposition? 甚麼是「前置詞」？
A preposition is a word we use with a noun or a pronoun to mark its relation with the other parts of the sentence.
: E3 U9 u( w) \0 I, ]" \「前置詞」是跟名詞或代名詞一起使用，以表示名詞或代名詞和句子中其他詞的關係。
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$ w- h4 f$ |; a* S1 @6 k/ CFor example 例如:
9 R9 f  ?8 E# I/ Y- @The pen belongs to me.
I was born in China seven years ago.
My mother borrowed these books from the library.
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(2) Types of Prepositions前置詞的類別：

5 q/ X! [: w/ v- {9 e  t! `" u. v(a) Prepositions of Time 和時間有關的前置詞
5 w8 [) A7 c$ R/ UIt helps to express the "time".
1 _0 ?3 z* E) l2 L. a9 ?6 J它用來幫助形容時間。

For example 例如:
' F4 w% o# W2 p( y0 @at　─　to describe an exact point of time (描述一個準確的時間)
The show starts at two o’clock.
Grandpa often takes a nap at noon.
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5 S$ U% C1 ^. |in　─　to express a certain period of time (描述在某一段時間內)
I likes playing the piano in the afternoon.
0 E: H) P) J9 K: n9 i4 \: pMary has her first swimming lesson in June.
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. K  J# ^" G3 w2 X6 ?& Aon　─　to represent a certain time (表示一個時間)
Vivian gave me a gift on Friday.
My birthday is on the 6th of November.
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for　─　to express something that lasts in a period of time (描述在某段時間內維持著的事情)
$ m0 H; P8 n' sShirley has learned Japanese for two months.
Betty has gone to the supermarket for ten minutes.

! Z: `9 x* s7 iby　─　to talk about an action that can finish at a certain point of time (形容在某個時間會完成的動作)
You have to finish the project by next Friday.
Please give me a call by tomorrow night.
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(b) Prepositions of Place 和地點有關的前置詞
It helps to express a certain place.
, X# ^* b1 B# V$ t- Z 它用來幫助形容地點。
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For example:
at　─　 to represent an exact place (表示一個準確地點)
Let us meet at school.
4 o5 V4 T7 ?  i+ _2 h4 i& SI play computer games at home.
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in　─　 to express a larger area of place (形容在比較大範圍的地方)
Hong Kong is located in China.
We have our dinner in a Italian restaurant.
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on　─　to describe that a thing placed on another thing (形容在某些東西之上)
Put your homework on the desk.
' }, g6 n* h$ _) ]1 a. kA ball is on the floor.
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into　─　to express an action going inside some places (表示一個動作「進入」一些地方)
! q7 p. [4 u$ y- NPlease come into the room.
0 j# k- `; X0 x+ HJay fell into the water.
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from　─　to show what the origin of somebody or something is (描述事物的來源處)
2 h% y4 h! f( K# `% nThe new teacher comes from Britain.
I have learned lots of things from this book.