Preposition 前置詞

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(1) What is a preposition? 甚麼是「前置詞」？
+ W9 R* Y+ g) h; rA preposition is a word we use with a noun or a pronoun to mark its relation with the other parts of the sentence.
「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。

For example 例如:
; G* @; D$ i5 t( ~4 ]# B9 Y6 Y9 _The pen belongs to me.
I was born in China seven years ago.
! Q5 {$ S4 v6 m) n4 @- R0 eMy mother borrowed these books from the library.

(2) Types of Prepositions前置詞的類別：

' `3 m9 p  K/ D" w5 p9 f! o3 S7 z7 d- U/ Q(a) Prepositions of Time 和時間有關的前置詞
It helps to express the "time".
它用來幫助形容時間。

For example 例如:
5 p% N3 q6 w! U5 nat　─　to describe an exact point of time (描述一個準確的時間)
/ f! R9 ?$ B# t$ j* UThe show starts at two o’clock.
Grandpa often takes a nap at noon.
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* u  p; Z4 }  Lin　─　to express a certain period of time (描述在某一段時間內)
I likes playing the piano in the afternoon.
Mary has her first swimming lesson in June.
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on　─　to represent a certain time (表示一個時間)
! u& q3 C* o: G  Z: _' k9 EVivian gave me a gift on Friday.
My birthday is on the 6th of November.

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)
8 e  C. Y$ q1 M2 TShirley has learned Japanese for two months.
# _  w0 ]( g% x: T/ p7 zBetty has gone to the supermarket for ten minutes.
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by　─　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.
. v' {8 t% S' j5 t' _$ x 它用來幫助形容地點。

" W' v8 [: o1 _) _3 V: N; MFor example:
$ H+ X" f3 _! }at　─　 to represent an exact place (表示一個準確地點)
Let us meet at school.
I 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.
& d2 s7 W2 K4 d4 Z& z2 jWe have our dinner in a Italian restaurant.

* x3 v: }* n4 v8 p, g* j- `$ Don　─　to describe that a thing placed on another thing (形容在某些東西之上)
7 Y+ S8 O' w  M3 e: u' H8 SPut your homework on the desk.
A ball is on the floor.
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' \( @6 r8 @# r( V% f7 M; U- Minto　─　to express an action going inside some places (表示一個動作「進入」一些地方)
Please come into the room.
: S) T! L' D4 U/ d* V0 e, G) zJay fell into the water.

$ S* [- @) q, e  _0 ]: K( s# [! vfrom　─　to show what the origin of somebody or something is (描述事物的來源處)
The new teacher comes from Britain.
I have learned lots of things from this book.